My brother in law's friend built this....Got the wheels from electric company( Spools) the wire come to them on..using a 3.5 Hp motor from Harbor freight hyrdastat transmission from a Lawn Mower?? Boat cable shifter to transmission ,, and motorcycle front disc brake.. sprocket and chain drive to rear wheels...Run about 7 mph..... Started out as Yard Art project .....then decided to motorize it.... said he has driven it on his property .........after all what do you do when your 76 years old??