Jerry, my '63 c20 had that kind of e brake on the 4 speed, pretty sure the '66 c60 grain truck did too. wasn't hydraulic. disc and caliper may even be easier.
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Last edited by 37 GC; 11/27/2023 1:49 AM. Reason: Add pics
Larry
Old man᠁Old truck᠁neither one goes very fast. All you need in life is TIME, PATIENCE and MONEY.
If you are missing one component, you'll need an abundance of the others two.