%0 Journal Article %T Effective aggregating of tractors for transportation %A Petar DIMITROV %A Dimitar SIMEONOV %A Kaloyan STOYANOV %A Plamen KANGALOV %J Transport Problems : an International Scientific Journal %D 2012 %I Silesian University of Technology %X The paper discusses the importance of tractors for the technological and transportation activities in agriculture. It also presents a methodological approach and an algorithm based on the criteria for the full utilization of the tractors¡¯ gravity and power for the successful aggregating of tractors when performing these activities. The offered mathematical model makes it possible to determine the sphere of full aggregation of tractors in transport within the broad range of change of the production conditions¡¯ indicators with the help of board computers. %K tractors %K mathematical model %K transport %U http://transportproblems.polsl.pl/pl/Archiwum/2012/zeszyt3/2012t7z3_03.pdf