Two-Wheel Dolly Kit for portables that do not come with a dolly kit as part of their package (all 9 KW - 15 KW portable units have a built-in 2 wheel dolly and lifting hook as standard equipment). Shipped disassembled and has axle, handles, and 2 full pneumatic wheels, size 10" diameter. Fits all GPN, GPND, and PP portable generators. 3 KW to 7.5 KW. Shipping is included when purchased with a generator.