Interpump "44 Series" W959 1750rpm 1-1/8" Shaft 2500psi 4.2gpm Unloader:W959BH - No Unloader General Pump - Interpump 51

General Pump - Interpump 51 series TT9111 EBF triplex pressure wash pump

this rotating nozzle can handle demanding cleaning jobs with ease

Flange: Fits Gas / Diesel Engine (SAE J609a)

If the hole is on the arm nearest the pump inlet you have the EZ-SX pump

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

Interpump "44 Series" W959 1750rpm 1-1/8" Shaft 2500psi 4.2gpm Unloader:W959BH - No Unloader General Pump - Interpump 51General 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.