A vacuum suction truck is equipped with a high-efficiency vacuum pump and sealed tank body for sucking and transporting sludge, sewage, fecal waste, and other liquid materials. It is suitable for municipal sanitation, septic tank service, drainage maintenance, and industrial cleaning applications. SINOTRUK HOWO 4x2 all-wheel drive 12CBM vacuum suction truck is a heavy-duty sanitation vehicle equipped with a powerful vacuum suction system and a 4x2 driving configuration. It is