HOWO MIXER TRUCK Chassis Engine: SINOTRUK engine with 266, 290, 336, 371 HP, Euro ... howo concrete mixer truck Chassis 1. Engine: SINOTRUK engine with 266, 290, 336, 371 HP, Euro-2 ... ; 3. Driving axle: ST16 central single reduction with hub reduction with rated 16 ton loading capacity, speed ... 5. Clutch: (1). Single-plate dry coil-spring clutch, diameter 420mm (2). Single-plate dry diaphragm-spring clutch ...