Lincoln Industrial offers their Model 4475 and 4480 Air-Operated Reciprocating-Piston Pumps that transfer and dispense low to medium viscosity fluids such as motor oil, transmission fluid and windshield wiper fluid. These models feature a unique air motor design, provide high performance of up to 4 gallons per minute and free delivery for fast dispense cycles. Positive displacement technology allows the user to control the flow rate for clean, direct transfer operations and precise volume dispensing applications with lube meters.