dduquain Posted August 28, 2007 Share Posted August 28, 2007 I have purchased a 1983 Mack r model straight truck. it has a e-6 350 engine and a 12 speed that doesn't shift. I bought the truck to swap the suspension out so I would have s-cam brakes but after pressure washing it up found the trunnion was cracked and almost broke in 2. I am wanting to put the brake parts in my B-model B-53 tandem dump truck with wedge brakes. they don't hardly work enough to stop a loaded truck any way. Will the brake parts fit on the old b-model or will I have to change the axle housings. All help will be greatly appreciated. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/2793-air-brake-switch-from-wedge-to-s-cam/ Share on other sites More sharing options...
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