Air operated grease pump uses air as power to suck grease into lubrication points.It is suitable for using with machines,automobile and vessels etc.It is very useful tool for lubrication and maintenance. Features: The barrel body is made of high-grade steel plate. It came to become durable and lasting even more after being made manually. Inside diameter (ID) of barrel is 350mm. The inside height of barrel is 430mm. It can contain 5 gallons of barrel packed grease from all nations around the world. Suitable for all sorts of machinery, vehicles, airplanes, ships, etc. The efficient instrument for infusing grease powerfully for lubrication & maintenance purpose. Grease Usage General 00#~2# grease all can be infused into smoothly. In chilly areas or with such grease of high viscosity, we suggest you order extra the optional accessory of "Follower Plate". Tank capacity : 40L Compression ratio : 45:1 Grease Output Pressure :180~405 bar (2700~5850 psi ) Transmission pressure :3-10bar Delivery hose: 1/4in 4Meters Suitable greases : 0-2#greases Delivery 800-1500g/min Noise level: 82db Max. air consumption : 150Lt Weight N/G: 21kg/23.5kg