[3] The introduction of the trophy truck class brought with it new freedom for competitors with minimal rules in its construction.
Intense development in full-tube chassis and suspension travel led to previously unseen performance and speed.
In recent years new truck builder Mason Motorsports Inc.,[8] has produced an AWD platform that many of the top racers are seeing successful finishing results in.
Total wet weight is around 3,500 pounds (1,600 kg) minimum, with the mass necessary to absorb the rougher terrain in desert racing.
The three-speed TH400 gearbox[15] predates the Baja 1000 but remains popular among competitors due to the long gear ratios and capability of handling the torque spikes caused by off-road racing.
The six-speed sequential gearbox appeals to competitors due to the ease of changing gear ratios quickly.