Condições de tração dos tratores agrícolas fabricados e comercializados no Brasil

Abstract

In Brazil today, beyond there is no mandatory testing center, there are few studies aiming to determine the performance of agricultural tractors. Performance tests of the specimens are made by manufacturers, and because the official reports disclosure is not required, consumers have information only from the own manufacturer. Thus, this study aimed to evaluate the performance the conditions tractor of the agricultural tractors with manufactured and/or sold tires in Brazil in relation to power ranges and type of traction. To do so, from 191 agricultural tractors, we calculated the following parameters maximum traction force at DB and relative traction force/weight. Some ofthese parameters were evaluated under different soil and ballast conditions. The results showed that the power range 147 kW and 4x2 TDA traction type present the best values for estimated maximum traction power. It can be concluded that the maximum traction force is higher for the range tractors 147 kW, power over and traction type 4x2 TDA backed.