... , 336, 371 HP, Euro-2 & Euro-3 & EGR emission, howo concrete mixer truck Chassis 1. Engine: SINOTRUK engine with 266, 290, 336 ... 70 standard cab without bed; 3. Driving axle: ST16 central single reduction with hub reduction with rated 16 ton loading capacity ... , 10, 16 speed, 5. Clutch: (1). Single-plate dry coil-spring clutch, diameter 420mm (2). Single-plate dry diaphragm-spring clutch, diameter ...