Gpi fuel transfer pump dolly. This is used to transfer fuel from any auxiliary tank into whatever equipment you want. Has 25 ft fuel hose that sticks into the tank and 25 ft power cable that clamps onto the equipment 12 volt battery. Has gauge to count gallons pumped. No need to have a fuel transfer pump mounted on your tank just wheel this out stick end into tank and start pumping fuel. Hasn't been used much . Over $1000 new.