If the drums slide off the lugs after removing a couple flathead screws, it's original (or near enough). If the drum is mounted to the hub as a unit, then it is a replacement. Huck brakes have one double-ended WC with an adjuster on each end. Bendix brakes have only one adjuster. Replacement Bendix drums are available. Hucks are harder to find.
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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