Posted by casebro on Saturday, May 24, 2003 at 4:01PM :
In Reply to: sprocket gear box posted by Joe in Ky on Friday, May 23, 2003 at 5:57PM :
Just about every tow truck used a chain drive to get power up to the winch mounted in the bed. The gearbox also turns the power 90 degrees to align chain with worm shaft of winch.