The Lincoln 4489 Pneumatic Grease Pump is a powerful tool designed for efficient grease delivery in industrial, automotive, and heavy-duty applications, generating up to 4,000 PSI with a robust 40:1 ratio. Compatible with 25 to 50lb pails, it suits various lubrication tasks across workshops, fleet maintenance centers, and manufacturing facilities. The pump includes a 7' high-pressure hose, control valve, universal swivel, and coupler for precise application to bearings, gears, and other critical components. Its standard follower plate ensures consistent grease delivery and prevents air pockets, while the 1/4" NPT female air inlet offers a secure connection to your pneumatic system. Ideal for maintaining trucks, tractors, and heavy equipment, the Lincoln 4489 delivers the performance and durability needed in demanding environments.