This unit is designed for daily use, perfect for contractors! This pump is completely rebuildable from the valves to the packings and unloader. These new pumps feature a new rod design, large side cover sight glass, ceramic plungers, high quality high-pressure seals, new, low-pressure seal with scraper (patented), two piece plunger guides, forged brass high efficiency head design and new styling. It will fit most HORIZONTAL shaft engines with a 1" diameter shaft. The pump bolts to the motor with a 4 bolt pattern and bolts up on 8 to 13 horsepower Motors. | | |

SPECIFICATIONS: Max. Volume: 4.0 GPM Max. Discharge Pressure: 4,000 PSI Max. Pump Speed: 3,400 RPM Shaft Diameter: 1” Hollow Max. Horsepower Requirements: 14HP Max. Fluid Temp.: 140° F Unloader Inlet: 3/4" GH (garden hose) Unloader Outlet: 3/8" Male Plug | | | FITS THE FOLLOWING MODELS: Fits Delta model : DTH3635, Rigid model : RD80770, Suitable replacement for 67DX39G1I, Fits GX390 Engines with a 1" Output Shaft | | | FEATURES: Latest in design and technology. New crankcase style. High strength forged brass manifold for long term use. NEW ceramic plungers, thicker wall to help prevent thermal shock. Stainless steel valves. Side mount valve seat o-rings. High quality high pressure seals. NEW low pressure seal with built in scraper. Two piece piston guides. NEW connecting rod with 12% more load surface. Large side cover sight glass. Oversized bearings. Rear cover oil drain Forged, precision ground crankshaft | | | SPECIFICATIONS - Max. Discharge Pressure: 4,000 PSI, Max. Pump Speed: 3,400 RPM, Max. Volume: 4.0 GPM, Max. Fluid Temp.: 140° F ***Unloader not included***