This NorthStar 6500 Watt generator head is designed as a replacement for portable electric generators that are powered by an 13+ HP gas engine and require a J609B engine adaption.100% copper-wound brushless design for years of long-lasting power. Brushless generator heads are proven to be superior in efficiency, performance and lifespan compared to brush-style generator heads. Engine Required: 13 HP (3600 RPM), Shaft Diameter (in.): 7/8, Rated Watts: 6,000, Surge Watts: 6,500, Dimensions L x W x H (in.): 12 7/8 x 9 7/16 x 9 3/4 Brushless design with high quality copper windings 50 Amps @ 120V; 25 Amps @ 240V SAE J609B engine adaption 6 1/2in. bolt hole circle with 2 upper mounting holes 30 off vertical; 45 off vertical for 2 lower mounting holes 5 3/4in. center pilot 7/8in. engine shaft diameter x 4 5/16in. shaft length with taper of 2 1/4in./ft. Includes generic wiring harness Will fit Honda GX340VA and GX390VA engines Fits engine Item# 60133 Fits generator Item#s 165914, 165920, 165938 and 165957 May fit many U.S. manufactured generators with Briggs & Stratton, Kohler, Tecumseh or Honda engines Replacement parts available from Northern or a Northern retail store
