Re: how to make a garden tractor 4wd
I saw one garden tractor a guy made into a 4x4 by adding a "dead" axle behind the original transaxle,(a narrowed boat trailer axle)and putting two more tires on that axle identical to the original rear tires,that were driven by sprockets attached to the inside of the tractor's original rear rims and the two "new" ones,a # 50 roller chain on each wheel connected the original rear end's wheels to the newly added axle and tires..
He had to add a peice of angle iron to extend the tractors transaxle mount area,where it bolts to the frame,to allow him to bolt the new axle in place..
Though it was a simple setup,it worked very well,and didn't require a lot of other modifications to the tractor to make it a 4wd!..I liked it,and have thought about copying his idea....granted,all 4 driving wheels were located in the rear,but I watched him drive it over a 2' high stone wall in his yard without spinning any of the wheels,it climbed like a goat!..
....last I knew, he wanted to build another one like it,but this time use two dead axles,driven by the original transaxle with two sprockets in place of where the original rims would normally be--that way he could gear it down a lot more for less speed and more power,he wasn't really satisfied with the first one he built,felt it was "too fast" and he wanted a "creeper gear" for towing and going over rough terrain....haven't seen him lately,I dont know if he ever built it yet..