And yet misaligned it is Max. You can see the misalignment in the original mounting plate. Incidentally, possibly because of this misalignment, Rover did not use a V-belt to drive the wheels. They had their own special traction or link belt, which is no longer available today. At least I've never been able to find anything like it today. Apparently if the belt got lose you could just remove a link from the belt to tighten it. Rover Part No. A01398. Most operators since then have just used a standard A-33 belt.

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p1010190b.jpg (110.72 KB, 51 downloads)
link_belt.jpg (16.2 KB, 51 downloads)
belt_drive.jpg (49.87 KB, 51 downloads)