Gast 4AM-RV-75-GR25 Air and Gear MotorReversible RotationMount: Face and Foot MountingNet wt. 28 lbs (12, 6 kg)Gear Ratio: 15:1 reducerHorizontal or shaft down operationMetal muffler AC980 adds 2" height when installedMaximum Pressure Range: +80 PSIThread Standard: NPT (14" Port Size)- Maximum allowable end thrust with 0 overhung load ranges from 250 lbs (112, 5 kg) at 200 rpm to 800 lbs (360, 0 kg) at 20 rpm - Maximum overhung load with 0 end thrust ranges from 200 lbs (90, 0 kg) at 200 rpm to 600 lbs (270, 0 kg) at 20 rpm- Maximum recommended pressures to 80 psi (5, 6 bar)