Hello, I have a 2000 W900B log truck with AG100 suspension and I am wondering if it is possible to upgrade that to the AG400 suspension. Right along with that the question would be, is the AG400 sway bar system more stable side-to-side. That is my main issue with this suspension. I already put in dual leveling valves to help steady it when my load is not quite even from one side to the other and that helped but it seems when I am on a logging road that is rough, it leans side-to-side too much to the extent that my tires will rub the fenders... Any info on this?
2000 W900B with AG100 suspension
Discussion in 'Kenworth Forum' started by glmartin, Mar 19, 2020.
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I briefly owned an AG100 snip I bought for parts. As far as I could tell the center bracket appears to have a different bolt pattern on the 200/400. I believe the wafer bars on the 400 bolt to the axle the same way as on the 100 but I cannot confirm 100%
I don't think you'll gain much in terms of stability going to the 400. Most loggers out in Western Canada are going Neway or Primax for suspension. Walking beam or Chalmers would be the best for stability but ride quality won't be nearly as good as air. -
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AG100 is not easily convertible to AG400. Good bushings are a must. Was never designed for logging/off-road use. Timbren sells kits to help with the stability, but pricey.
KWRAG100 - Rear Axle SES Suspension Upgrade - Timbren Industries Inc. Suspension Products -
Bean Jr. Thanks this.
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I prefer rubber, OEM bushings. Original are Clevite/Tenneco bushings. I have found that Dayton parts or Euclid ones are usually OEM ones repackaged with a price savings. Just re-bushed an AG200 that had been converted to AG400 for owner-operator this month. Only slight play. He reported back that truck rides much better and reduced the sway tremendously.
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Sounds good.Euclid bushings is actually what i have coming so we'll see what that does. I'll try to post an update when I have it finished.
spsauerland Thanks this. -
gl, nothing to help with your upgrade, only asking your experience and ability getting around while off road on that suspension?
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