One of the Manitoba collectors (Gord Falk) has owned/seen such a conversion. A farmer installed the cylinders and brake shoes from a standard Ford CMP of the time period. Usually, such conversions were done to try and restore some level of steering, but would usually not work out well with the warp system disabled. The extra work the brakes have to do to compensate for the lack of proper warp steering causes a lot of extra heat.
My own opinion is that there is no need for such shortcuts. If the bogey is free to travel left and right, the linkages properly adjusted,and the brake drums turned clean along with un-glazed shoes with an arc matching the drums, then the brakes and steering on a carrier leaves nothing to be desired.
If one were doing a complete modernization or revamp of a carrier with no historic consideration, then a disc brake setup might give beter performance than the drums. Even better would be the rear end out of a T-16, with it's proper steering control diff built right in to it. The Nodwells or Go tracts we had in the Cdn forces actually used the T16 diff in them. When I was in MooseJaw, the vehicle we had in the 90s came with pages out of the T16 manual and marked by Levy Auto for spare parts.
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