Replacement pump fits most 4 to 7 hp engines with a 7/8" inch vertical shaft

General Pump - Interpump 58 Evolution series E2C1714 A triplex pressure wash pump

Vari-Nozzle

5000 psi Maximum Rated Pressure

04 GPM @ 1750 RPM

Interpump "51 Series" T9051EBF 1750rpm 5/8" Shaft 1500psi 2.11gpm pressure_2500psi Replacement pump fits most 4General Pump Interpump 51 series T9051 EBF triplex pressure wash pump. 1500 PSI Maximum Rated Pressure 2. 11 GPM @ 1750 RPM 5 8" hollow shaft NEMA 56 C flange for electric motor Inlet: 3 8" FPT (1 2" FPT with unloader requires pump inlet) Outlet: 1 4" FPT (3 8" MPT with unloader) Available with built in Unloader, otherwise sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.