davidrmodel Posted December 24, 2007 Share Posted December 24, 2007 Hello--I need to replace the kingpins on my 1980 R Model tractor (twin screw). I believe the front axle weight rating is 10,500 lbs. I have not done this job previously. Will someone give me the basic procedure, and any special tools needed? Is machine shop work needed? I may take this job to the shop if the procedure is beyond my means.Thanks! Quote Link to comment https://www.bigmacktrucks.com/topic/3223-1980-r-model-kingpin-replacement/ Share on other sites More sharing options...
Bollweevil Posted January 7, 2008 Share Posted January 7, 2008 Come on fellows, somebody help David with these king pins. I have never seen a tapered pin set up, taken apart. HELP HELP HELP. Quote Link to comment https://www.bigmacktrucks.com/topic/3223-1980-r-model-kingpin-replacement/#findComment-16107 Share on other sites More sharing options...
MACKS Posted January 8, 2008 Share Posted January 8, 2008 I replaced the king pins on my 70 dm quite a few years ago and they were the tapered pins, yes you have to take the new pins, bushings, and the spindles to a machine shop to be fitted or honed, I can tell you it's not a fun job. I don't know if an 80 rd has the tapered pins or not. Quote Link to comment https://www.bigmacktrucks.com/topic/3223-1980-r-model-kingpin-replacement/#findComment-16112 Share on other sites More sharing options...
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