... ,10m3,11m3 and 12m3.3.howo tractors:howo 4x2 tractor,howo 6x4 tractor.Engine power for the above heavy duty truck is ... 266HP,290HP,336HP,371HP,420HP.We markets HOWO trucks in more ... in recent years,includes HOWO-7 series,HOWO-8 series,STYER KING series ,GOLDEN PRINCE series,etc. HOWO 6×4 Sewage Suction TruckChassis: ZZ1257M4341WCapacity: 13 m3 ...