Dual-function wheel-mounted waste oil suction tank and oil drain, 80 L capacity, with 10 L inspection chamber, air-operated piston pump, 10 L painted steel pan, sight tube showing fluid level, set of 5 probes of different diameters and plastic tool tray. Pneumatic emptying of the tank.The inspection chamber allows the operator to check the quality and the quantity of the evacuated oil. To ensure a clear view over time, the inspection chamber is equipped with an internal cleaning system which allows the chamber to be cleaned by sucking in a small quantity of diesel or any other non-aggressive detergent.