We have been rebuilding pumps for over 9 years and have found this way of doing it very successful

Extremely Heavy Duty

UPC: 699567002581

Single Shot non-reciprocating 40:1 air motor grease gun

Two-Way Key fits Fill Caps: 4181

Freedom Hydraulics 75 Ton Double Acting Cylinder, 13.00" Stroke - SD7513 cf-size-8301 We have been rebuilding pumpsIdeal for push and pull applications Ideal for applications requiring rapid retraction Upper and lower bronze bearings for minimal wear ofcylinder rod and maximizing lifetime of cylinder Industrial grade steel construction will withstandeven the most demanding applications Chrome plated piston rod eliminates corrosion and rust Built in safety valve prevents over pressurizationwhen retracting cylinder 3 8 NPTF female couplers and dust caps on all