The Air-Operated Portable Grease Pump (Model 6917) is intended for agricultural and construction equipment as well as light and heavy vehicles. It provides 7,500 psi of pressure, 150 psi of air-inlet pressure, and 80 cubic inches of output from its drum, which holds 120 pounds of lubricant. The unit features: grease control valve and universal swivel (to better access hard-to-reach fittings), metal follower plate with flexible wiper edge (to keep the drum primed and its sides clean), and four-wheel dolly (to allow easy maneuverability around the shop).