Specification Brand : Generic BulletPoint1 : Working pressure:0.7-1.0 Mpa BulletPoint2 : Max hydraulic pressure:70 Mpa BulletPoint3 : Input port thread:1/4"(NPT) Output port thread:M20x1.5 BulletPoint4 : Cylinder inner diamete:70 mm BulletPoint5 : Pump core outer diameter:6 mm Color : Gray IncludedComponents : 1 ItemName : HEROSON Square Compressed Air Motor for Pneumatic Hydraulic Pumps(AP1003) ItemPackageDimensions_Height : 17.2 centimeters ItemPackageDimensions_Length : 8.1 centimeters ItemPackageDimensions_Width : 8.8 centimeters ItemTypeKeyword : hydraulic-pumps Manufacturer : Heroson ModelName : HEROSON-AP1003 ModelNumber : AP1003 NumberOfItems : 1 ProductDescription : This compressed air motor is suitable as spare part for hydraulic pumps with added compressed air motor. The compressed air motor has an internal piston which is powered by compressed air. This piston moves up and down with a small piston rod and so it delivers an appropiate amout of oil to an appropriate cylinder with every stroke. These kind of hydraulic pumps can often be found at shop presses and motorcycle lifts with pneumatic drive.