... 371-420ps engine.TransmissionHW15710 Sinotruk 10 Transmission, Satellite epicyclic gear strcture, first gear ratio 14.28, torque 1500NM,for 336HP or below models ... as standarded configurationHW19710Sinotruk 10 Transmission, Satellite epicyclic gear strcture, first gear ratio 14.28, torque 1900NM,for 371HP or above models ...