Anybody ever seen a frame fail like this? 2017 peterbilt truck/pup tanker. Crack occurred where the tank sat on the rail. Separated by a 1 inch rubber pad
2017 Peterbilt Top Frame Failure
Discussion in 'Trucks [ Eighteen Wheelers ]' started by tupperwolf, Aug 28, 2021.
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Never seen that, havent seen much beyond twisted or sheared frames tbh, but armchair engineering me says rustjacking between sleeve and frame coupled with the tank pounding the frame a few times
Goodysnap, Singh181, tupperwolf and 1 other person Thank this. -
How was the tank supported? Down the entire length of the rail or just in a couple of spots? Almost looks like the weight was concentrated unevenly on 1 point where it failed.
Can you post some more pictures? Particularly of the frame rails as they are, the broken piece of the rail (both sides plus the fractured surface) and of the fracture in the rail too. Even the tank/mounting if you could.BoxCarKidd and BigBob410 Thank this. -
simonsocm and tupperwolf Thank this.
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BigBob410 Thanks this.
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I Agree and also have never seen it before. I think some pertinent information is missing from this failure. Framerails themselves have an exceptional warranty above the base truck warranty. I am curious what Paccar has to say about this failure. I would say it would be rapidly shrugged off as a misinstalled body.
BigBob410, simonsocm, Roberts450 and 1 other person Thank this. -
Sorry it took so long. Thank you everyone for your opinions. Attached is a photo showing how the tank was mounted
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Nice crack in the tank saddle too.
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Probably too much weight concentrated on a small footprint by the looks of it.
Goodysnap Thanks this. -
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