The most recent acquisition at the barn, a C15A, had the lifting rings. One thing of note was that on the rear axle there were the usual axle shafts held in place by the split and tapered cones. Outboard of the cones, the lifting rings are held in place by longer versions of the studs used on vehicles without the rings, however there are plugs within the lifting ring that have a flange outboard of the lifting ring and a barrel within the lifting ring slightly longer than the lifting ring is thick. These plugs are a loose, but not sloppy, fit in the lifting ring to ensure that the clamping force of the nut on the driveshaft flange studs is passed directly to the tapered cone washer and not absorbed by the lifting ring.
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