Product Description
Aftermarket replacement for Ariens Gravely 03874000 Hi/Lo 2 stage hydraulic gear pump. 13 GPM @ 3600 RPM, 3 GPM @ 400 PSI and 10 GPM @ 3000 PSI. 3600 RPM rated speed, SAE 4 bolt flange mount. 1" metal tube inlet port with 1/2" NPT outlet port. 1/2" keyed shaft. Right hand rotation (clockwise). Cast iron housing. The pump will automatically switch from low pressure (400 PSI) to high pressure when it reaches 900 PSI and then advance to 3000 PSI.
