Dongfeng 6X6 EQ6840PT Off Road Bus Brief introduction of EQ6840PT six-wheel drive off-road bus: 1. The EQ6840PT six-wheel drive forest fire-fighting troop carrier is an off-road passenger vehicle independently developed by Dongfeng Special Automobile Company. The engine is Cummins 190 horsepower / Yuchai 200 horsepower national five engine, military six-speed mechanical gearbox with six gears, using the original EQ240 Military …