Start with something like a military deuce and a half drive axle and have someone build you a gearbox to transfer the power straight down to the input flange. No need for gear reduction- - - -it will have enough torque at idle to slip the clutch and get moving. Reverse- - - - -you're really on your own there!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!