Art_H Posted December 13, 2013 Share Posted December 13, 2013 I've been meaning to upgrade my front axle wedge brakes to s-cam. Maybe the better option is to do a complete axle swap. Most of the axles I see used, are from newer Macks. What front axles would be compatable for my truck?? I have the hydraulic cylinder steering assist. Would I have to change the steering box as well??Or is it just easier to find a donor axle and remove the mounting plates to converto to s-cam?Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/33875-compatabole-front-axle-for-1977-mack-r600/ Share on other sites More sharing options...
alex g Posted December 13, 2013 Share Posted December 13, 2013 Not totally sure but I just checked bearing sizes from a 78 R model to a 90 CH to do a swap from spoke wheels to buds and they are the same probably most axles would fit just start measuring.Shouldn't be too hard to find a whole used setup Quote Link to comment https://www.bigmacktrucks.com/topic/33875-compatabole-front-axle-for-1977-mack-r600/#findComment-221249 Share on other sites More sharing options...
Art_H Posted December 14, 2013 Author Share Posted December 14, 2013 That sounds reassuring. A lot of the front axles available used seem to have the steering box as well. Is the steering box required for that particular axle and steering arms etc? Quote Link to comment https://www.bigmacktrucks.com/topic/33875-compatabole-front-axle-for-1977-mack-r600/#findComment-221296 Share on other sites More sharing options...
alex g Posted December 14, 2013 Share Posted December 14, 2013 I don't think so but that's just a guess I only got as far as a hub swap. Quote Link to comment https://www.bigmacktrucks.com/topic/33875-compatabole-front-axle-for-1977-mack-r600/#findComment-221348 Share on other sites More sharing options...
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