Quote:
Originally Posted by Leester79
I have wondered the same for my narrow frame which is being refurbished for a loader project. I wonder if anyone has any ideas or thoughts on this. I think the axle in the front is strong enough but the spindles might be the potential problem. I haven't decided what I'm gonna do yet but I've seen folks weld on 1" spindles on the wide frames, or take a 1" spindle and hollow it out and slide it over the existing 3/4" and pin it on the narrow frames. I've seen an axle from a 782 type swapped into a wide frame. I'm thinking I might fab a entirely new spindle due to cost, convenience and challenge. 
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Go to PF Engineering and check out the spindle upgrade. It uses trailer hubs with tapered roller bearings and 1" spindles.