The dimensions of 19 Howe th7 sleeper are: the width of the lower berth is 1m and the thickness is110 mm. However, since the 7490 horsepower tractor was put into use, the transportation efficiency has been obviously improved. Thanks to the perfect power combination of HOOTH7, the whole journey is high-speed, mainly in plain sections. The MC 1 1H engine carried by HOWO TH7 has 490 horsepower, low speed, high torque and high speed, and the engine explosive power is very good.