Re: HO72 rear drums
Its the old drums that they don't supply any more. When I serviced a lot of fleet trucks I used to get the latter model drums & have the hub drilled out to take the larger studs.
The single wheel drums & dual wheel drums are completely different & can't be interchanged. Even the front drums are different on dual wheel trucks. You have to measure the diameter & width of the drum. There are different options & various sizes.
You can knock the studs out with a bar & big hammer. Then remove the drum.
It is best to press them back in but can be done with the hammer & drift.
George
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