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Journal articles on the topic 'Truck tractor'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Zhileykin, Mikhail M., Pavel V. Sirotin, and Sergey S. Nosikov. "Improving the stability and handling of tractors when towing trailers and coupled units." Tractors and Agricultural Machinery 90, no. 2 (2023): 161–69. http://dx.doi.org/10.17816/0321-4443-321270.

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BACKGROUND: Currently, almost all agricultural work is performed using tractors. As the transport speed of a tractor train increases, the amplitude of lateral and horizontal oscillations of its coupled units emerges and increases. At certain velocities, these oscillations become so large that they can lead to a rollover, in addition, shock loads occur in coupling devices, which make it difficult to handle a tractor train. The traditional method to prevent this is the velocity limit, which does not guarantee a positive result. AIMS: Development of methods to improve stability, handling an

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2

Astuti, Soekma Yeni, and Yanuaresti Kusuma W. "MAKNA REPRESENTAMEN KENDARAAN PADA FILM ANIMASI ANAK CAR TOONS COMPILATION: KAJIAN SEMIOTIKA C.S. PEIRCE." SEMIOTIKA: Jurnal Ilmu Sastra dan Linguistik 24, no. 1 (2023): 72. http://dx.doi.org/10.19184/semiotika.v24i1.36442.

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Car Toons Compilation is an animated film by the YouTube channel First Toons which contains a compilation of episodes of Car Toons, including A Tow Truck, A Water Truck, and A Tractor. Car Toons tells a different story in each episode but still includes car elements. This study aims to discuss the semiotic understanding of the animated film by using Peirce's semiotic theory, especially icons, indexes, and symbols. The method used in this study is a qualitative method with descriptive analysis, which emphasizes the process of semiosis with the meaning of the relationship between signs or repres

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Zhileykin, Mikhail M., Pavel V. Sirotin, Sergey S. Nosikov, and Nikolay N. Pulyaev. "Method for detecting the loss of stability of the movement of tractors when towing a trailer or a coupled unit." Tractors and Agricultural Machinery 90, no. 1 (2023): 39–48. http://dx.doi.org/10.17816/0321-4443-321266.

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BACKGROUND:Currently, combines and tractors, being the most energy-intensive transport and technological machines for agricultural purposes, largely determine the possibility of transition to an efficient and environmentally friendly agricultural economy, and also provide the technical aspect of the transformation of the agro-industrial complex into the leading sector of the countrys industry. One of the sources of dynamic loads in the units and subsystems of tractor equipment are self-oscillating modes. AIMS:Study of the conditions for the occurrence of self-oscillating processes in the

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Ruslan, Muhammad Irfan, Izuan Amin Ishak, Mohammad Arafat, Abd Fathul Hakim Zulkifli, Nofrizalidris Darlis, and Fadhilah Mohd Sakri. "CFD Investigation on the Aerodynamic Characteristics of a Heavy Vehicle Travelling under Crosswind Conditions." CFD Letters 17, no. 12 (2025): 17–30. https://doi.org/10.37934/cfdl.17.12.1730.

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The handling stability of heavy tractor semi-trailers under crosswind conditions is crucial for road safety due to their large side area and exposure to variable road conditions. Crosswinds can cause lateral forces and moments on the vehicle, affecting its stability and making it harder to control. In this present work, numerical simulation is performed to study the crosswind effects on the handling stability of a tractor semi-trailer. The aerodynamic characteristics of the tractor semi-trailer under different crosswinds were computed by computational fluid dynamics (CFD). The study focused on

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Pavlenko, Olexandr, Serhii Dun, and Maksym Skliar. "DETERMINATION OF PERFORMANCE INDICATORS OF THE TRUCK KrAZ-6510TE." Avtoshliakhovyk Ukrayiny, no. 1 (261)’2020 (March 20, 2020): 19–26. http://dx.doi.org/10.33868/0365-8392-2020-1-261-19-26.

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In any economy there is a need for the bulky goods transportation which cannot be divided into smaller parts. Such cargoes include building structures, elements of industrial equipment, tracked or wheeled construction and agricultural machinery, heavy armored military vehicles. In any case, tractor-semitrailer should provide fast delivery of goods with minimal fuel consumption. In order to guarantee the goods delivery, tractor-semitrailers must be able to overcome the existing roads broken grade and be capable to tow a semi-trailer in off-road conditions. These properties are especially import

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Shegelman, Ilya Romanovich, Pavel Vladimirovich Budnik, and Vyacheslav Nikolayevich Baklagin. "Simulation Modeling of Truck Load of Skidding Tractors with a Grapple for Chokerless Skidding." Croatian journal of forest engineering 40, no. 2 (2019): 297–310. http://dx.doi.org/10.5552/crojfe.2019.567.

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The objective of the present study is to define mass distribution laws for a bundle of trees using the methods of statistical simulation modeling in order to calculate chokerless skidding tractors lift capacity. For that purpose a statistical simulation model has been developed to generate forest taxation data necessary for complete filling of skidding tractor grapple. The following samples have been obtained from the regions of the European North of Russia based on the model: masses of bundles of trees that can be placed in grapple and values of vertical component of normal load applied to sk

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7

Posmetev, V. I., V. O. Nikonov, and V. V. Posmetev. "Efficiency evaluation of energy recovery in the bunk of a timber truck based on the results of simulation modelling." IOP Conference Series: Earth and Environmental Science 875, no. 1 (2021): 012030. http://dx.doi.org/10.1088/1755-1315/875/1/012030.

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Abstract The main reasons restraining the efficiency of timber trucks (hauling tractors with semi-trailers) have been considered. A promising direction has been proposed making it possible to increase the efficiency of hauling tractors with semi-trailers. This direction consists in the development and study of a recuperative bunk device for a timber haulage site, installed on a logging tractor. The aim of the research consisted of two stages. At the first stage, a mathematical model for the functioning of the recuperative bunk device of the logging site, installed on a timber truck has been de

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8

Lijewski, Piotr, Jerzy Merkisz, Pawel Fuc, and Pawel Daszkiewicz. "The Comparison of the Exhaust Emissions from an Agricultural Tractor and a Truck." Applied Mechanics and Materials 391 (September 2013): 196–201. http://dx.doi.org/10.4028/www.scientific.net/amm.391.196.

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The paper discusses the issues of exhaust emissions from farm tractors most frequently used for transport of loads. Transport is an integral part of food manufacturing at almost every stage of the product life cycle. Ready-to-eat food very often needs processing; it often incorporates transport of half products to appropriate facilities. The transport between the processing facilities and the distribution of food products is carried out by typical road vehicles i.e. heavy and light trucks. In the case of agricultural produce it is very often the farm tractors with appropriate trailer sets that

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9

Nikonov, Vadim, Valeriy Posmetev, Viktor Posmetev, and V. Zelikov. "Simulation modeling of resonance phenomena during the operation of regenerative hydraulic shock absorbers in the suspensions of trailing links of timber road trains." Forestry Engineering Journal 14, no. 2 (2024): 239–59. http://dx.doi.org/10.34220/issn.2222-7962/2024.2/14.

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The article solves the problem of increasing the efficiency of timber truck trains of different configuration under unsteady driving modes in the process of timber transportation in the conditions of insufficiently equipped forest roads. The experience of operation of forest road transport shows that the most part of fuel energy is spent by it on heat losses arising in its units and systems. The necessity to reduce energy losses in suspensions of trailing links of forest road trains by means of transformation of this energy, accumulation and subsequent useful use is substantiated. In order to

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10

Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and Aleksey Matyashov. "IMPROVEMENT OF THE ENERGY RECOVERY SYSTEM OF A TIMBER TRACTOR WITH A LUMBER TRUCK." Forestry Engineering Journal 11, no. 2 (2021): 149–65. http://dx.doi.org/10.34220/issn.2222-7962/2021.2/14.

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The place of road transport in logging production has been considered. The main advantages of using timber tractors with timber drags in comparison with other layout schemes of timber road trains have been described. Conse-quences of dynamic loads acting on the pivot of the turning bunk of a timber-carrying area from frequent braking of a timber tractor with a timber drag have been given. Based on the analysis of scientific works of foreign scientists, the promising direction of research in the field of recuperation of various types of energy in road transport is substantiated, which makes it

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D'yakov, Denis, Iskander Valiulin, Dmitriy Lihovidov, and Aleksey Velikanov. "CREATING A WORKING MODEL OF A DRIVERLESS AIRFIELD TOW TRUCK." Bulletin of Bryansk state technical university 2021, no. 10 (2021): 45–52. http://dx.doi.org/10.30987/1999-8775-2021-10-45-52.

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The purpose of the research in this paper is to develop a promising airfield driverless tow truck to increase the economic efficiency of aircraft towing facilities, including unmanned aircrafts as well as to ensure reliable operation in various climatic conditions. The research methods include the analysis of the experience of using such driverless airfield tow trucks abroad, the theory of calculating traction and speed indicators and experimental studies conducted during the creation and study of field tests of devices used to load the driving wheels of a tractor. To achieve the g

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D'yakov, Denis, Iskander Valiulin, Dmitriy Lihovidov, and Aleksey Velikanov. "CREATING A WORKING MODEL OF A DRIVERLESS AIRFIELD TOW TRUCK." Bulletin of Bryansk state technical university 2021, no. 10 (2021): 45–52. http://dx.doi.org/10.30987/1999-8775-2021-10-45-52.

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The purpose of the research in this paper is to develop a promising airfield driverless tow truck to increase the economic efficiency of aircraft towing facilities, including unmanned aircrafts as well as to ensure reliable operation in various climatic conditions. The research methods include the analysis of the experience of using such driverless airfield tow trucks abroad, the theory of calculating traction and speed indicators and experimental studies conducted during the creation and study of field tests of devices used to load the driving wheels of a tractor. To achieve the g

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13

Harrison, Rob, Luis A. Sanchez-Ruiz, and Clyde E. Lee. "Truck Traffic Crossing Texas–Mexico Border." Transportation Research Record: Journal of the Transportation Research Board 1643, no. 1 (1998): 136–42. http://dx.doi.org/10.3141/1643-17.

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U.S.-Mexico trade continues to grow strongly, with much of the non-petroleum surface trade moving by truck. Trade flows through a number of key ports-of-entry at the southern border, and future truck traffic has raised concerns over infrastructure needs, congestion, and safety. Although it was known that Mexican trucks are frequently overloaded, little data were available to show whether this extended to trade movements at the border. This paper reports the results of a research study commissioned by the Texas Department of Transportation and represents the first comprehensive analysis of truc

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14

Proc, Kenneth, Lawrence Chaney, and Eric Sailor. "Thermal Load Reduction of Truck Tractor Sleeper Cabins." SAE International Journal of Commercial Vehicles 1, no. 1 (2008): 268–74. http://dx.doi.org/10.4271/2008-01-2618.

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15

Nix, Fred P., John R. Billing, and Michèle Delaquis. "Impact of Size and Weight Regulations on Trucks Crossing the Canadian-U.S. Border." Transportation Research Record: Journal of the Transportation Research Board 1613, no. 1 (1998): 33–42. http://dx.doi.org/10.3141/1613-05.

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The conventional view is that U.S. federal limits govern trucks operating across the Canadian-U.S. border. The identification of 118 roads crossing the border and a description of the regulations in neighboring provinces and states governing traffic on them are provided. Surveys at 25 crossings that carry 87 percent of cross-border truck traffic have identified truck configurations in different regions. The standard fiveaxle tractor-semitrailer, at a gross vehicle weight of up to 36 287 kg (80,000 lb), is the principal truck used between the two countries, but mainly for low-density freight or

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Faust, Kayla, Carri Casteel, Daniel V. McGehee, Corinne Peek-Asa, Diane Rohlman, and Marizen R. Ramirez. "Examining the Association Between Age and Tractor Driving Performance Measures Using a High-Fidelity Tractor Driving Simulator." Journal of Agricultural Safety and Health 27, no. 3 (2021): 159–75. http://dx.doi.org/10.13031/jash.14403.

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Highlights This study uses a new tractor driving simulator to examine the impact of age on perception response time in an emergency braking situation. The results demonstrate increased risk for crash among older farm equipment operators. Abstract. Transportation-related incidents are the leading cause of occupational fatalities for all industries in the U.S. In the agriculture industry, where tractor-related incidents are the leading cause of occupational fatality, fatal crashes occur more frequently among senior farm equipment operators (FEOs) than younger FEOs. This study examined the associ

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17

Hutchinson, B. G., L. R. Rilett, R. Green, and R. C. G. Haas. "Axle load shifts during truck braking and their implications for bridge and pavement design." Canadian Journal of Civil Engineering 16, no. 2 (1989): 113–18. http://dx.doi.org/10.1139/l89-026.

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The axle load shifts of four truck types during braking are estimated using theoretical braking models and the implications of these axle load shifts for bridge and pavement design are explored. The truck types examined are a three-axle straight truck, a five-axle tractor semi-trailer, a seven-axle tractor semi-trailer with two air-lift belly axles, and a seven-axle B-train tractor-double trailer, each loaded to legal Ontario limits with weigh-out commodities. Each of the truck types experienced a substantial load transfer to the front steering axles under braking, mainly from the rear tandem

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18

Kang, Seunggu, Hasan Ozer, Imad L. Al-Qadi, and Billie F. Spencer. "Stochastic Analysis of Rolling Resistance Energy Dissipation for a Tractor-Trailer Model." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 11 (2019): 593–603. http://dx.doi.org/10.1177/0361198119840344.

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Rolling resistance because of road roughness is often the largest contributor to energy consumption in the environmental assessment of pavement life cycle. Although fuel consumption of passenger vehicles caused by roadway roughness is well studied, further research is needed for truck fuel consumption models utilizing mechanistic approaches. Existing models estimating trucks’ excess fuel consumption because of rolling resistance are based on empirical models or simplified mechanistic models such as the quarter car model. Such approaches may not fully capture the complex dynamic motion of a tra

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19

Voynash, S. A., and A. S. Voynash. "Study of traction dynamics of a caterpillar tractor wagon." Traktory i sel hozmashiny 84, no. 12 (2017): 32–36. http://dx.doi.org/10.17816/0321-4443-66376.

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Existing caterpillar dump trucks, including foreign ones, with relatively small amounts of work carried out seasonally, for example, when building roads in logging areas, are not effective enough. It is proposed to use trail equipment available for logging needs for road construction. LLC «Plant of Caterpillar Machines» developed a schematic solution for a caterpillar tractor wagon obtained by equipping the serial rubber trail tractor TGL-4.04 with a large-capacity dump truck and using bulldozer equipment with a turning blade. In order to assist the customer using the caterpillar dump truck ba

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20

Bumgarner, Sean, Martin “Trae” Span, and Jeremy Daily. "A Systems Engineering Approach to Reducing Mis‐pulls and Misplaced Trailers for Trucking Fleets." INCOSE International Symposium 33, no. 1 (2023): 1300–1314. http://dx.doi.org/10.1002/iis2.13083.

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AbstractHeavy vehicle fleets can have more than three times the number of trailers than tractors, but tractors host most of the vehicle network and tracking systems. Tractor location is readily available through telematics systems, yet trucking operations may pull the wrong trailer during operations because of the lack of trailer location information. The lack of automated trailer location data can lead to lost or mis‐placed trailers, which compromises the service of the product being shipped. Adding dedicated telematics systems to individual trailers is cost prohibitive. Therefore, we propose

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21

Abdelkareem, Mohamed AA, Mina MS Kaldas, Mohamed Kamal Ahmed Ali, and Lin Xu. "Analysis of the energy harvesting potential–based suspension for truck semi-trailer." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 11 (2018): 2955–69. http://dx.doi.org/10.1177/0954407018812276.

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As the articulated trucks are mainly used for long distance transportations, the design of the suspension system became a major concern and a research hotspot not only for ride comfort and driving safety but also for energy consumption. Therefore, the objective of this study is to conduct a comprehensive parametrical–based conflict analysis between the ride comfort and road holding together with the potential power of the shock absorbers. The simulation analysis is performed using a 23 degree-of-freedom full truck semi-trailer mathematical model with random road surface model. The bounce and c

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Clayton, A., and R. Plett. "Truck weights as a function of regulatory limits." Canadian Journal of Civil Engineering 17, no. 1 (1990): 45–54. http://dx.doi.org/10.1139/l90-007.

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Models are developed for the gross vehicle weight and axle weight distributions of laden trucks as a function of governing weight limits. The models are based on truck weight surveys conducted in Manitoba between 1972 and 1986, a period of changing weight limits. They are developed for 2-axle trucks, 3-axle trucks, 5-axle (3-S2) tractor-semitrailers, 7-axle (3-S2-2) A-trains, and 7-axle (3-S2-S2) B-trains. The models can provide important input to the analysis of pavement loadings (and costs), given particular weight limits or changes in weight limits. They can also provide useful input to est

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Akhmetov, Adilbek, and Sherzodbek Akhmedov. "Influence of Tractor Tires on Soil: A Bibliometric Analysis Based on Scopus." E3S Web of Conferences 563 (2024): 03067. http://dx.doi.org/10.1051/e3sconf/202456303067.

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The role of agricultural machinery interacting with the main soil is performed by its wheels, which either amplify or mitigate adverse effects. Faced with climate change and population pressure, urgent research is needed in sectors like agriculture to enhance productivity, assess land suitability, optimize crop yields, and support sustainable development. This article presents a bibliometric analysis of tractor wheel impact on agricultural fields. Using the Scopus database, thousands of documents from 1948–2023 were processed. Results show a rising trend in publications. Leading sources includ

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Kennedy, Jeff. "Cargo Handling By Truckers And Competitive Advantage: Is There A Relationship?" Journal of Business Case Studies (JBCS) 4, no. 1 (2011): 87. http://dx.doi.org/10.19030/jbcs.v4i1.4747.

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The transportation industry is one of the largest employers in the United States. In fact, employment in the transportation industry is expected to increase from 4,205,000 jobs in 2002 to 5,120,000 jobs in 2012, an increase of 914,000 jobs, with truck drivers, including heavy and tractor-trailer drivers adding 337,000 new jobs (U.S. Bureau of Labor Statistics, 2006 and NAICS Industry Data, 2004). Truck drivers are a valuable and unique resource in today's economy because companies rely on trucks to pick up and deliver merchandise. No other mode of transportation delivers door-to-door. While so

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Sharaf, A. M. "Directional stability of tractor-semitrailers versus truck-full trailers." International Journal of Heavy Vehicle Systems 20, no. 1 (2013): 61. http://dx.doi.org/10.1504/ijhvs.2013.051102.

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Lee, Chanhwa. "String Stable Lateral Control of Tractor-trailer Truck Platoons." International Journal of Control, Automation and Systems 22, no. 12 (2024): 3666–72. https://doi.org/10.1007/s12555-024-0537-5.

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27

Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and Vladimir Zelikov. "MODELING THE OPERATION OF A RECUPERATIVE SPRING-HYDRAULIC FIFTH-WHEEL COUPLING LOCATED IN THE SEMITRAILER OF LUMBER TRUCK." Forestry Engineering Journal 11, no. 2 (2021): 133–48. http://dx.doi.org/10.34220/issn.2222-7962/2021.2/13.

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The substantiation of the necessity of using timber trucks, consisting of timber tractors with semi-trailers, when transporting timber, is given. Attention is focused on improving the efficiency of the functioning of log trucks by con-structive improvement of the fifth-wheel couplings used in them. The analysis of scientific works of foreign scientists engaged in the study of the influence of fifth- wheel coupling on the efficiency of log trucks is carried out. A promising scheme of a recuperative spring-hydraulic fifth-wheel coupling, located in the front part of the semi-trailer frame of a t

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Sebaaly, Peter E., Raj Siddharthan, Magdy El-Desouky, Dan Strand, and David Huft. "Effect of Off-Road Equipment on Flexible Pavements." Transportation Research Record: Journal of the Transportation Research Board 1821, no. 1 (2003): 29–38. http://dx.doi.org/10.3141/1821-04.

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The South Dakota Department of Transportation sponsored a study to evaluate the effect of agricultural equipment on flexible pavements. One thin and one thick flexible pavement were instrumented at two locations and tested under agricultural equipment. Each section was instrumented with pressure cells in the base and subgrade, surface deflection gauges, and strain gauges at the bottom of the asphalt layer. Field tests were carried out during fall 2000, spring 2001, and summer 2001 to evaluate the impact of heavy equipment on flexible pavements under variable environmental conditions. Test vehi

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Kovalchuk, Stanislav, Oleksii Goryk, Oleksii Burlaka, and Anton Kelemesh. "Evaluation of the strength of the truck tractor’s frame under emergency braking conditions." Archives of Automotive Engineering – Archiwum Motoryzacji 105, no. 3 (2024): 74–87. http://dx.doi.org/10.14669/am/192345.

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Authors carried out a theoretical study of the force impact during emergency braking on the strength of the frame of a truck tractor as a part of a road train with a semi-trailer in order to build a model of the dependence of the safety factor index of the frame on the geometric and weight parameters of the car, semi-trailer, transported cargo and the type of the pavement. Using D'Alembert's principle, a generalized calculation scheme of the frame of the semi-trailer and the truck unit after reaching a steady deceleration during emergency braking while maintaining straight-line movement and ad

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Chen, Luwei, Hao Wu, Qin Fang, and Tao Zhang. "Numerical analysis of collision between a tractor-trailer and bridge pier." International Journal of Protective Structures 9, no. 4 (2018): 484–503. http://dx.doi.org/10.1177/2041419618775124.

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Accidents involving collisions of heavy-duty trucks with highway bridge piers occurred occasionally, in which the bridge piers might be subjected to severe damage, and cause the collapse of the superstructure due to the loss of axial loading capacity. The existing researches are mostly concentrated on the light- or medium-duty trucks. This article mainly concerns about the collisions between the heavy-duty trucks (e.g. tractor-trailer) and bridge piers as well as the evaluation of the impact force. First, by modifying the finite element model of Ford F800 single-unit truck, which was developed

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Jansen, Jan. "True Costing in Logistics & Supply Chain Management: How do we make decisions based on True Economic Trade-Offs (T-ETOs)?" London Journal of Social Sciences, no. 8 (June 18, 2024): 52–85. https://doi.org/10.31039/ljss.2024.8.232.

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Decision-making in logistics (including /supply chain management) is often based on traditional cost-price information from a company's accounting department. Externalities, like social and environmental impact, are usually not included in decision-making. To include a more integrated trade-off, the cost-price information should include information on the traditional costs and the costs of externalities like fair wages (social costs) and costs of damage, pollution, etc. (environmental costs). The article provides an overview of traditional costs and attempts to monetise externalities (by using

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Jansen, Jan. "True Costing in Logistics & Supply Chain Management: How do we make decisions based on True Economic Trade-Offs (T-ETOs)?" Proceedings of London International Conferences, no. 10 (May 27, 2024): 15–48. http://dx.doi.org/10.31039/plic.2024.10.217.

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Decision-making in logistics (including /supply chain management) is often based on traditional cost-price information from a company's accounting department. Externalities, like social and environmental impact, are usually not included in decision-making. To include a more integrated trade-off, the cost-price information should include information on the traditional costs and the costs of externalities like fair wages (social costs) and costs of damage, pollution, etc. (environmental costs). The article provides an overview of traditional costs and attempts to monetise externalities (by using

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33

Abdelkareem, Mohamed AA, Mostafa M. Makrahy, Ali M. Abd-El-Tawwab, ASA EL-Razaz, Mohamed Kamal Ahmed Ali, and MM Moheyeldein. "An analytical study of the performance indices of articulated truck semi-trailer during three different cases to improve the driver comfort." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 232, no. 1 (2017): 84–102. http://dx.doi.org/10.1177/1464419317709895.

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Heavy trucks are mostly used for international transportations, with longer highways and long driving hours contributing to corresponding increases in the driver’s fatigue that is related to accidents. Therefore, this study aims to improve the truck ride performance using multistage leaf springs and semi-active suspension for the driver seat. This analytical study describes the influence of the truck main suspensions on the performance indices analytically using MATLAB Simulink for different loading conditions in three case studies: fully laden articulated truck (case A), unladen truck (case B

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Regehr, Jonathan D., Jeannette Montufar, and Garreth Rempel. "Safety performance of longer combination vehicles relative to other articulated trucks." Canadian Journal of Civil Engineering 36, no. 1 (2009): 40–49. http://dx.doi.org/10.1139/l08-109.

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This article helps improve the understanding about the safety performance of longer combination vehicles (LCVs) relative to other articulated trucks operating on rural highways, using evidence from the Canadian portion of the CANAMEX trade corridor. The analysis reveals that from a collision rate perspective, LCVs as a group have better safety performance than other articulated trucks. Turnpike doubles have the lowest collision rate of all articulated truck types (16 collisions per 100 million vehicle-kilometres of travel or VKT), followed by Rocky Mountain doubles (32 collisions per 100 milli

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Laitila, Juha, Robert Prinz, and Lauri Sikanen. "Selection of a chipper technology for small-scale operations – a Finnish case." Journal of Forest Science 65, No. 4 (2019): 121–33. http://dx.doi.org/10.17221/26/2019-jfs.

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The objective of this study was to determine the economic performance of alternative chipper choices for small-scale chipping based on unit cost (€ per chip-m3) and net present value (NPV) calculations. For the chipping cost and investment profitability analyses four tractor-powered professional or semi-professional disc chippers and two professional drum chippers mounted on a truck or powered by tractor were selected. Initial investment, operating costs, and the cost of outsourced chipping were the key elements for comparing the profitability of investment alternatives. The average purchase p

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Guimarães, Pompeu Paes, Julio Eduardo Arce, Eduardo Da Silva Lopes, Nilton Cesar Fiedler, Renato César Gonçalves Robert, and Fernando Seixas. "ANALYSIS OF FUEL CONSUMPTION SENSITIVITY IN FORESTRY ROAD TRANSPORT." FLORESTA 49, no. 2 (2019): 155. http://dx.doi.org/10.5380/rf.v49i2.49137.

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The objective of this work was to analyze how the variation of traveled distance, operational speed, journey time and net cargo transported influence the fuel consumption of vehicles in forest road transport. The data were collected in this operation, covering the area between the regions of Campo do Tenente (forest unit) and Piên (industrial unit), in the state of Paraná. We analyzed the partial elements, loaded trip and empty trip, as well as the total transport cycle (loading, unloading and travel). Using the same mechanical tractor, two vehicular compositions were studied, an articulated v

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Bartnicki, Adam, Agnieszka Dąbrowska, Marian Janusz Łopatka, and Tomasz Muszyński. "Experimental Research on Directional Stability of Articulated Tractors." Solid State Phenomena 210 (October 2013): 77–86. http://dx.doi.org/10.4028/www.scientific.net/ssp.210.77.

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Articulated tractors are wide available on the construction equipment market and have a lot of unique advantages not accessible in case of Ackerman steering system or truck-mounted tools. The only unsolved problem is their poor directional stability which significantly limits the speed of operation and work efficiency. This paper investigates the phenomenon of directional stability loss and indicates main reasons for its appearance by means of experimental research. Moreover, conducted tests, acquired results and their analysis could be a basis for future works on stabilizing system supporting

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Chung, Woodam, and John Sessions. "Uphill and Downhill Gradeability of Log Trucks with Short Log Trailers." Western Journal of Applied Forestry 19, no. 2 (2004): 88–94. http://dx.doi.org/10.1093/wjaf/19.2.88.

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Abstract The use of cut-to-length systems has increased the use of short log truck and trailers in the western United States and elsewhere. The equations for uphill and downhill gradeability for loaded short log truck and trailer units are derived under conditions of nonturning motion. A sensitivity analysis shows both uphill and downhill gradeability of the short log truck and trailer is highly affected by the load distribution and is also affected by the angle of the tongue between the tractor and trailer. West. J. Appl. For. 19(2):88–94.

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Link, Steffen, and Patrick Plötz. "Technical Feasibility of Heavy-Duty Battery-Electric Trucks for Urban and Regional Delivery in Germany—A Real-World Case Study." World Electric Vehicle Journal 13, no. 9 (2022): 161. http://dx.doi.org/10.3390/wevj13090161.

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Cutting greenhouse gas emissions to comply with the Paris Agreement is challenging for road freight. While heavy-duty battery-electric trucks (BET) promise tremendous and immediate reduction potential, literature increasingly confirms technical feasibility in general, and several manufacturers launched BET models. However, their real-world application is still being questioned by fleet owners due to the limited range or payload penalties. Thus, our case study aims to assess the technical feasibility of urban and regional delivery in Germany based on real-world and per-vehicle operational data

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Weber, R., and M. Münster. "Transient Properties of Truck Tires on Real Road Surfaces." Tire Science and Technology 15, no. 3 (1987): 188–97. http://dx.doi.org/10.2346/1.2148789.

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Abstract The cornering, or lateral force response of heavy-duty truck tires, has been evaluated on real road surfaces at speeds of 10–60 km/h. The special mobile truck tire dynamometer has a two-test-tire carriage mounted just ahead of the rear support tires of an articulated truck (tractor) trailer. Equal slip angles may be applied simultaneously to both test tires. The frequency response was evaluated by typical phase angle methods. The phase angle (lag of lateral force behind instantaneous angle) increased with frequency (time rate of application of angle) and decreased with increasing spee

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Hernandez, Sarah. "Estimation of Average Payloads from Weigh-in-Motion Data." Transportation Research Record: Journal of the Transportation Research Board 2644, no. 1 (2017): 39–47. http://dx.doi.org/10.3141/2644-05.

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Average payloads define the ton-to-truck conversion factors that are critical inputs to commodity-based freight forecasting models. However, average payloads are derived primarily from outdated, unrepresentative truck surveys. With increasing technological and methodological means of concurrently measuring truck configurations, commodity types, and weights, there are now viable alternatives to truck surveys. In this paper, a method to derive average payloads by truck body type and using weight data from weigh-in-motion (WIM) sensors is presented. Average payloads by truck body type are found b

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Posmetyev, Valeryi I., Vadim O. Nikonov, Andrey Yu Manukovskii, and Viktor V. Posmetyev. "Computer Simulation of the Operation of the Recuperative Swivel Bunk Device of a Hauling Tractor with a Timber Drug." Lesnoy Zhurnal (Forestry Journal), no. 5 (October 20, 2022): 85–99. http://dx.doi.org/10.37482/0536-1036-2022-5-85-99.

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The article validates the necessity of increasing the transportation efficiency of longcut timber (LCT) by hauling tractors with timber drugs during their operation in conditions of poorly equipped logging roads with the presence of irregularities, defects, barriers, as well as frequent turns, ascents and descents. An original scheme of a recuperative swivel bunk device (RSBD) for a hauling tractor (HT) with a timber drug (TD) is designed as a result of earlier research on development and evaluation of various recuperative coupling devices for logging trucks operating in difficult road conditi

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Sakhno, Volodymyr, Oleksii Korpach, Ihor Murovanyi, Valerii Stelmashchuk, Ruslan Kuznietsov, and Vasyl Onyshchuk. "Influence of the technical condition of the running gear of a truck tractor and a semi-trailer on the fuel efficiency of the tractor-trailer truck." Eastern-European Journal of Enterprise Technologies 6, no. 1 (90) (2017): 37–43. http://dx.doi.org/10.15587/1729-4061.2017.115019.

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Hsiao, Hongwei. "Anthropometric Procedures for Protective Equipment Sizing and Design." Human Factors: The Journal of the Human Factors and Ergonomics Society 55, no. 1 (2012): 6–35. http://dx.doi.org/10.1177/0018720812465640.

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Objectives: This article presented four anthropometric theories (univariate, bivariate/probability distribution, multivariate, and shape-based methods) for protective equipment design decisions. Background: While the significance of anthropometric information for product design is well recognized, designers continue to face challenges in selecting efficient anthropometric data processing methods and translating the acquired information into effective product designs. Methods: For this study, 100 farm tractor operators, 3,718 respirator users, 951 firefighters, and 816 civilian workers particip

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Hutchinson, B. G., and D. J. Parker. "Parametric analyses of large truck braking efficiencies." Canadian Journal of Civil Engineering 16, no. 2 (1989): 105–12. http://dx.doi.org/10.1139/l89-025.

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Simplified braking models are used to analyze the braking efficiencies of a range of truck types under a variety of loading conditions and tire–pavement coefficients of friction. These analyses show that while most of the fully loaded trucks are capable of achieving a braking efficiency of 70%, the braking efficiencies of the unloaded or partially unloaded trucks deteriorate substantially. A bobtail tractor, an unloaded semi-trailer with tridem rear axle group and two air-lift belly axles, and a B-train double trailer with rear trailer unloaded have estimated braking efficiencies of 40–50%. Th

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Bin Salamah, Yasser. "Sliding Mode Controller for Autonomous Tractor-Trailer Vehicle Reverse Path Tracking." Applied Sciences 13, no. 21 (2023): 11998. http://dx.doi.org/10.3390/app132111998.

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In the past few years, there has been a growing interest among researchers in developing control systems for autonomous vehicles, specifically for tractor-trailer systems. This newfound interest is driven by the potential benefits of enhancing safety, reducing costs, and addressing labor shortages in the industry. Two industries that could reap the rewards of these systems’ advancements are cargo and agriculture transportation. One of the challenging tasks for the truck trailer vehicle is driving in reverse. Backward path tracking of tractor-trailers is a complex control problem with practical

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Charles, Terrance, and Zhiyin Yang. "Comparison of the Effectiveness of Drag Reduction Devices on a Simplified Truck Model through Numerical Simulation." Modelling 3, no. 3 (2022): 300–313. http://dx.doi.org/10.3390/modelling3030019.

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The aerodynamic efficiency of trucks is very low because of their non-streamlined box shape, which is subject to practical constraints, leaving little room for improvement in terms of aerodynamic efficiency. Hence, other means of improving the aerodynamic efficiency of trucks are needed, and one practical yet relatively simple method to reduce aerodynamic drag is deploying drag reduction devices on trucks. This paper describes a numerical study of flow over a simplified truck with drag reduction devices. The numerical approach employed was Reynolds-averaged Navier–Stokes (RANS). Four test case

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Chojnowski, Janusz, and Tadeusz Dziubak. "Multi-Criteria Analysis of Semi-Trucks with Conventional and Eco-Drives on the EU Market." Energies 17, no. 5 (2024): 1018. http://dx.doi.org/10.3390/en17051018.

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The research provides a comparative theoretical investigation of the operational characteristics of an electric semi-truck and vehicles powered by conventional combustion engines using diesel fuel, hydrotreated vegetable oil (HVO), and methane (including biomethane) in the dual fuel configuration. The Volvo tractor units that are offered for retail in 2024, namely the Volvo FH Electric, Volvo FH500 in dual fuel configuration, and Volvo FH500TC Diesel Euro VI, were chosen for comparison. The considerations encompassed include the road tractor’s mass, energy usage, power-to-weight ratio, dynamic

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Pieniak, Daniel, Piotr Cieślak, Leszek GIL, Artur Dmowski, and Andrzej Niewczas. "Operational tests of the technical condition of truck tires." Transport Samochodowy 66, no. 2 (2022): 17–34. http://dx.doi.org/10.5604/01.3001.0016.2052.

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Tire wear and damage tests have been carried out on a sample of 45 trucks in Warsaw. The aim of the research was to assess the damageability and to determine the qualitative characteristics of typical operational damage to the truck tires. A linear measurement of the tread height and organoleptic assessment of the form of damage were used. Three groups of vehicles were analysed: trucks with an integrated body, used in severe conditions on short routes - category I; tractor-semi-trailer combinations, used in conditions of heavy loads on intercity routes - category II; truck-trailer combinations

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Posmetev, Valeriy, Vadim Nikonov, and Aleksandr Avdyuhin. "PROMISING DESIGN OF A RECUPERATIVE SPRING-HYDRAULIC FIFTH WHEEL TRAILER TRUCK WITH A SEMITRAILER." Actual directions of scientific researches of the XXI century: theory and practice 8, no. 1 (2020): 299–305. http://dx.doi.org/10.34220/2308-8877-2020-8-1-299-305.

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The relevance of the development and use of new promising designs of fifth wheel coupling devices for forestry tractors with semitrailers, aimed at ensuring the simplicity of the design of fifth wheel coupling devices, their high reliability, safety in work, reducing metal consumption and the possibility of accumulating and using energy that is not efficiently dissipated into the environment, is substantiated. The operating conditions of timber tractors with semitrailers for timber removal are described. The main transients occurring in the fifth wheel coupling and contributing to the emergenc

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