Single-phase generator cranks out 100 Amps @ 120V, 50 Amps @ 240V. Requires 24 PTO HP or more for rated output: 13,000 surge Watts and 12,000 continuous Watts.Engine Required 24 PTO HP (540 RPM) or more Shaft Diameter (in.) 1 3/8in., 6-Spline Input Shaft is Geared for 540 RPM Rated Watts 12,000 Surge Watts 13,000 Run Time Continuous Receptacles (qty.) 6 Phase 1 (4 wire) Dimensions L x W x H (in.) 35 1/2 x 22 x 17 Additional Product Specs * Industry standard 1 3/8in., 6-spline input shaft geared for 540 RPM * 100in. copper windings, metal construction, 100 Amp thermal magnetic breaker and plastic shield provide high performance, durability, long life and safe operation * 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 120V receptacle * Mounting kit (Item# 165935) sold separately