Best Front Spring Pins Money Can Buy?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Caterpillar Cowboy, Oct 4, 2017.

  1. Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    Nov 11, 2010
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    On my dump trucks, both Kenworth T800's with 14,600 front axles, running 385/65R22.5 tires, I seem to be going through front spring pins fairly quickly. Not a big surprise to me, as they are always fully loaded, running switchbacks on subdivision roads, tight city and jobsite turning, rough roads, and so on.

    Previously I have just had my mechanic replace them, but after the last set I did only lasting 1-2 construction seasons, I am going to be a little bit more picky about which spring pins and bushings go back in this time. Anybody have some recommendations? I'm thinking that the Stemco Gaff's poly may be the way to go, but wanted to get advice from others experiences. Like I said I want these to hold up as long as possible and am not messing around this time!
     
    Oxbow Thanks this.
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  3. AModelCat

    AModelCat Road Train Member

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    Are you putting those OEM rubber bushings in there?

    Back in '08 we converted quite a few of them back to the greasable threaded pin style. The rubber bushings were junk and pounded out in like a year of running up and down the bushroads. 18k lb steers on most of them.
     
    Oxbow Thanks this.
  4. BoxCarKidd

    BoxCarKidd Road Train Member

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    I go back to pins in brass or threaded pins anytime possible.
     
  5. GrapeApe

    GrapeApe Road Train Member

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    Our car haulers run more weight on the steers than most other applications. The rubber bushings don't last. The threaded bushings are the best for us. Greasing them often is a must. Our trucks hit the shop for a quick service every 2 weeks and we we grease them on the ground. Every 7500 miles, we jack them by the frame to get the weight off the springs to grease them.

    Old style bronze with smooth pins don't last too long for us. Being heavy on the steers and running in tight areas to car dealers, the side movement wears out the side to side thrust washers and can eat into the shackles and spring hangers, which of course tears up the seals and kills the bushings. The threaded bushings limit side thrust a lot better. This would be an advantage for dump trucks as well running like you do.
     
    BoxCarKidd, Oxbow and Mattflat362 Thank this.
  6. dustinbrock

    dustinbrock Road Train Member

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    I have a tri drive western star with a 20k front end running 425's. I was thinking of trying out those atro urethane bushings. Curious how they would handle off-road.
     
    Oxbow Thanks this.
  7. Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    Nov 11, 2010
    Wyoming
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    Thanks guys,

    My 00 has the thread in grease able style, while the 07 must be the rubber style. Looks like it will be getting changed back to the grease able style this winter.

    Maybe I haven't been greasing mine enough, I also switched brands of grease, maybe I actually was just paying for the 'Lucas' name to be on their tube of grease not a good quality grease all these years, but the last month or so it hasn't been noticeably as bad, but the 07 is going to need some attention once things slow down this winter.
     
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