CAP Oil Change Systems oil and fluid handling and extraction unit can be used on Class 1-8 trucks and almost any other vehicle application where oil changes are mandatory. It utilizes compressed air to create either a vacuum to pull oil from the engine or push oil into the on-premises waste tank. The closed system keeps oil off the shop floor and workers safe from dangerous burns. The TT-28 can completely empty a 44-quart oil pan in less than 4 minutes at operating temperature. It can be used in conjuction with our unique hose assemblies that re-route the oil pan drain plug to a more accessible location or with our Quick-Coupler Plug.