I have a 2015 Kenworth T680, I recently replace the leveling valve on the rear axle. Can someone tell me the proper method of checking the ride height and what the ride height should be. (Per Kenworth specs.) I am running factory installed super single tires, if that makes any different.
Thank you in advance for your help.
Auctioneer.
Proper ride height for KW T680
Discussion in 'Kenworth Forum' started by Auctioneer, Jan 1, 2018.
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Which suspension? AG400 is 9" aka 8 bag. AG380 is 8.5" loaded 8.625" unloaded aka Pete flex air/elliptical spring. AG400l is 8.5" loaded, 8.75" unloaded aka Pete Low air leaf. Measure height on level ground. First measure centered between tandems from bottom of frame to ground. Then measure from rear axle, center of axle shaft(tapered hole in center) to ground. Difference is ride height. Can call a dealership and look up ride height in ECAT under description frame height or post last six here I will look it up if unsure which suspension you have.
casemill, QUALITYTRUCK, pushbroom and 2 others Thank this. -
I checked my suspension out. It has 4 airbags, the spring connects to the chassis in front of the axle, swings up and over the axle, then down behind the axle and terminates under the airbag.
Which suspension system is this? -
Last six: 426435.
This is of course the most b sure way.
Thank you -
Last Six: 426435.
This is the most sure way to find out.
Thank you. -
8.75" unloaded. It is a AG400L.
Auctioneer Thanks this. -
spsauerland Thanks this.
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No problem. This forum is about sharing information and helping each other out. We can all learn from each other!
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By unloaded, do you mean bobtail?
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