Replacement pump fits most 9 to 15 hp engines with a 1" inch horizontal shaft

3500 PSI Maximum Rated Pressure

Max Temperature: 200 Deg F

Interpump 59 Evolution Series E3C 2515 triplex pressure wash pump

2320 PSI Maximum Rated Pressure

Interpump "44 Series" W959 1750rpm 1-1/8" Shaft 2500psi 4.2gpm pressure_3500psi Replacement pump fits most 9General Pump Interpump 44 series W959 A triplex pressure wash pump. 2500 PSI Maximum Rated Pressure 4. 2 GPM @ 1750 RPM 1 1 8" hollow shaft NEMA 184 TC flange for electric motor Inlet: 1 2" FPT Outlet: 3 8" FPT Available with internal unloader, otherwise sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.