Pump 48 Pump Data Make: Hydromatic Model: 4SM500M4-6 HP: 5 Volt/Phase: 230/3ph F.L.A. : Impeller: 8.38 RPM: DC Sized/Drilled: 4″ / Yes S4M_1750 – Pump 48 Pump Curve E-03-475 – Pump 48 Install & Service Manual Click Here to Return to the Submersible Rental Pump Directory Landing Page