Sutorbilt 4MP Legend Blower with Twin Silencers. Size: 4 MP. S/N: SO66629. Configuration: GACMBPA. Max RPM: 3600. Gear Diameter: 4 in. Medium Pressure Rated. Lip Seal. According to the spec sheet, this model can move as much as 347 CFM (3600 RPM, 20 BHP, 10 PSIG). Vertical orientation, bottom hand drive. Western Electric Induction Motor: 10 HP, 230/460 Volts, 1755 RPM, 24.3/12.2 Amps, Frame 215T, 60 Hz, 3-phase. Universal Silencers (Fleetguard/Nelson) Model # URB-3, Part# 55103AA, Serial # R8769A-02. Ports: 2.5 in. threaded. Weight: 160 lbs (blower only). (ACN 17-BO).