![]() ![]() It sure makes you think when you're trying to avoid the bumps on the Cross Bronx Expressway!! The only thing about it is if you think of how small that button bearing is and if you have ever seen one break. That's really a pretty great record and I can't deny it. ![]() I've only seen this thrust button break on one truck in the past and remember there being a recall back in '85 to take them apart and replace the bearings. On the Mack style all the weight of the truck is sitting on a very small, by comparison, thrust button style bearing in the knuckle and resting on the bottom of the pin. The pin only has one job to do, the one it's supposed to do, keep the knuckle in alignment with the axle and allow it to pivot. It's positioned between the the bottom of the axle beam and the top of the lower steering knuckle bushing bore-you have a much larger bearing surface. Was a large straight pin (top and bottom bushings were the same size) tapered pins the top bushing is always smaller.Īlso with this arrangement there is a much larger thrust bearing to support the weight of the truck and it's positioned in a place that makes much more sense We used to have Rockwell front axles in our Brockways never gave us much problems. With a straight pin like you have is I think a better set up than the Mack tapered pin anyway. Probably will get a ration of you know what about this but I'm going to say it anyway! TRUEFIT PLUS™ Series of No Ream King Pin SetsĪ ll Eato n. Lower overall cost associated with installation.Performance matching that of a reamed king pin set.Quick installation time compared to traditional "ream required" king pins.Featuring matched king pins and bi-metal bushings (improved fit).If not properly lubricated, steel on steel contact will occur, resulting in drastically reduced king pin life. Improper fitment and loose pins can cause premature wear, reducing the life of your steering components. In contrast, spiral bushings can have larger tolerances between the bushings and king pin since the spiralbushing is designed to fit the king pin bore, not the king pin. Since the bushing is designed to match the pin, you will have an exact fit even if the king pin bore has small imperfections. TRUEFIT PLUS™ fitment and longevity is similar to traditional king pins (matched fit). You can depend on Dayton Parts TRUEFIT PLUS™ series of "no-ream" king pins to get you back on the road quickly, saving you both time and money. The TRUEFIT PLUS™ series of king pins offer the most economical matched fitment of king pin and bushing, without the added cost of reaming. The TRUEFIT PLUS™ series of king pins offers ease of installation and pre-sized bi-metal bushings, which have been performance proven, mile after mile, by North American vehicles. TRUEFIT PLUS™ king pin kits result in a proper fit every time. All kits include bi-metal bronze bushings that are engineered as a perfect match to the king pin - taking the guesswork out of properly reaming your matched components. The fitment of a reamed king pin installation with the benefit of reduced installation downtime. The TRUEFIT PLUS™ series of king pin kits combine Performance Proven Mile after Mile Dayton Parts announces the TRUEFIT PLUS™ line of "no ream" king pin sets. ![]()
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