Fecal suction truck is a tank truck with a heavy duty vacuum designed to pneumatically load fecal, solids, liquids, sludge and etc. Facel suction truck is equipped with special vacuum suction pump, which is applied to suck faces, sewage, sludge and other liquid mixed with small suspended granules. The truck is with elliptical tank, tank material is carbon steel and stainless steel, the interior of the tank has four anti wave plates, this can avoid the instability caused by the sloshing of the liquid in the tube during the transport process. The upper part of the tank is designed with a safety barrier, so that the worker are protected during the walking. The rear head of tank is sealed. Pressure generated by the vacuum pump is used for sewage disposal. Fecal suction pipe can rotate with 360 degrees. Full tank pumping time:≤ 5min, suction depth: ≥ 7m, two discharge ways: pressurized discharge and self-flowing discharge. Fecal suction truck is made up with chassis, vacuum tank, vacuum pump, oil-gas separator, water-gas separator, four way valve, locking device, pressure meter, fecal suction pipe, hanger rod, liquid level meter, hydraulic cylinders,power take-off,hand washing device and etc. The truck is used for cleaning septic tanks, sewage ditches and sewers etc.