These truck model feeders may be mounted in the back of a pickup, or they can be mounted across a flatbed. All of these feeders work the same way. The trailer is powered by the small wheel being engaged against the ground wheel. The truck model feeder is powered by a 12 volt motor that runs off the truck battery.
These are not starter motors. These 12 volt motors are Constant Duty and are C-Face bolted to an oil bath gear reducer. They run for POWER and not speed.
All wiring, switch and the complete counter assembly come with each feeder.