I have a 1948 John Deere B with a 45 series 1 loader. Obviously without power steering, it's a bit difficult to use with a heavy load in the front. I thought I might replace the current steering wheel (which has an outside diameter of approximately 16-17") with a John Deere 70 steering wheel with an outside diameter of 20" in order to change the steering ratio. However, none of the 20" steering wheels list the John Deere B as a compatible tractor. With that being said, the specifications for each appear to be nearly identical. Is there any reason why I shouldn't try a 20" wheel with the B?
- Thread starter pmarkel
- Start date
old popper
Well-known Member
I'm not 100% sure, but I don't think your shift lever will clear the bottom of the larger steering wheel.
I went thru the same thing for several yrs, then upgraded to a 520 with power steering.
I went thru the same thing for several yrs, then upgraded to a 520 with power steering.
coonie minnie
Well-known Member
Perhaps you don't want to modify your tractor, but if you can find a Char-Lynn power steering kit, it'll steer like a new tractor!
James Howell
Well-known Member
Take a look at the photo below.
![a193790.jpg" width="650"](http://"http://photos.yesterdaystractors.com/gallery/uptest/a193790.jpg" width="650" /)
The steering and worm shaft appears to be 1 inch in diameter on the Model 70.
The shaft with worm, sector, and nut on the Model B appears to be 7/8 inch in diameter.
Sorry, batteries were dead on camera so no photo of the Model B.
Hope this helps.
The steering and worm shaft appears to be 1 inch in diameter on the Model 70.
The shaft with worm, sector, and nut on the Model B appears to be 7/8 inch in diameter.
Sorry, batteries were dead on camera so no photo of the Model B.
Hope this helps.
James Howell
Well-known Member
Or maybe even a Behlen power steering unit.
![a193792.jpg" width="650"](http://"http://photos.yesterdaystractors.com/gallery/uptest/a193792.jpg" width="650" /)
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