Single-phase engine generates 200 Amps @ 120V and 100 Amps @ 240V simultaneously.Engine Required 48 PTO HP (540 RPM) or more Shaft Diameter (in.) 1 3/8 in., 6-Spline Input Shaft is geared for 540 RPM Rated Watts 24,000 Surge Watts 27,500 Run Time Continuous Receptacles (qty.) 7 Phase 1 (4 Wire) Dimensions L x W x H (in.) 39 x 24 x 26 Additional Product Specs * Industry standard 1 3/8 in., 6-spline input shaft, requires 48 PTO HP engine minimum at 540 RPM * 100% copper windings, metal construction, 100 Amp thermal magnetic breaker and plastic shield * Outlets include welding receptacle and four 120V 20 Amp receptacles and voltmeter * Pushbutton reset circuit breakers * Four 20 Amp 120V receptacles * One 30 Amp 120V receptacle * One 50 Amp