Farmall Cub to Farmall Regular
Posted 04 March 2012 - 08:24 PM
I'm thinking of making an almost 2/3 scale? of a Farmall Regular or F20 or F30. I'm thinking of using a 154 Cub front half and the back half of an original Farmall Cub by using two long back axles; and making a homemade front end to resemble a Regular -- or maybe just a center lined Farmall Cub parade tractor with the original Cub wide front axle and two long back axles; maybe with a seat wide enough for three.
I'm wondering -- on a 154 there is an 1-1/4 spacer on the right hand side but the drop axles appear to be the same right and left.
I realize the brake for the right wheel is out at the drop axle and for the left wheel the brake band is sunk in somewhat to the differential housing. That's why I'm wondering if the long axle will fit ont he left side or will the axle be too short?
The 154 frame rails already resemble a Regular or F series Farmall. I realize that if it would work the right hand side would be about 1-1/4 narrower than the left.
My reason for using a Cub rather than a Farmall B is the Cub is smaller and easier to transport.
Posted 04 March 2012 - 09:50 PM
Posted 04 March 2012 - 10:40 PM
It's all not a bolt on mod, you will need to do some welding and fabrication
On the 154, the finals are not interchangeable because there is only one brake opening. They also cannot be rotated 90*, but can however be rotated 180* provided you reroute the brake linkages to the rear. Farmall Cub finals can be swapped (two brake openings), and also rotated 180*. Typically if swapped, the axle stays on the same side due to the planter drive.
Posted 07 March 2012 - 09:45 PM
Posted 08 March 2012 - 10:32 AM
John, on the tricycle that George built, he lengthened the shaft on the left side (1 1/4" I believe) and bolted the axle extension on. On the right, he left it stock. His tricycle is not a "centerline" tractor.
One of the people who built a tricycle cub told me he had to machine the transmission to mount an axle extnesion on the left side. He said it was pretty involved.
On the RatCub, he cut and milled the 1 1/4" bumpout off the side of the transmission and drilled and tapped new holes in the case for the axle extension and the floorpan. This way he didn't have to extend the differential shaft or fill the 1 1/4" gap between the floorpan and case. By milling the side of the case off, the tractor is now centered except for the front axle, which he left the pivot offset.