Lincoln Model 658 Economy Grease Pump. This 50:1 Ratio Pump features the proven design of the Series 20 Air Motor and a simplified Pump Tube to provide a low cost alternative for Grease dispense. Unit includes the LIN-46007 Drum Cover and LIN-282050 Pump with LIN-245852 delivery Kit. Follower plate (LIN-84780) is not included. Designed for 120 lbs. Drums.