Motorized Trailer Dolly Build, Full DIY Process
This is my version of a motorized trailer dolly or trailer tug. Built from a winch and the carcass of a dead rototiller.
Sprocket Source: https://www.nitrochain.com/finished-bore-sprockets
Controller/Solenoid: https://www.amazon.com/gp/product/B074R5HNH1