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Old 03-30-2019, 09:07 PM   #1
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Brand: Thor Motor Coach
Model: Chateau 31L
State: Florida
Posts: 1,716
THOR #12189
Tow Hitch to Chassis Torque Specs

Checking torque specs on toad and want to check MH. Where's the best place to get the torque specs for the 5k hitch attached to my e450 chassis? Is that here, ford dealer or thor?

Thanks.
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Old 03-30-2019, 09:17 PM   #2
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THOR #5248
https://www.boltdepot.com/fastener-i...ed-Torque.aspx
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Old 03-30-2019, 09:24 PM   #3
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Brand: Thor Motor Coach
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Quote:
Originally Posted by Trkyte@msn.com View Post
Thanks. This is fairly informative however, I bought eTrailer base plates that were attached with 5/8" Grade 5 course thread bolts and they only get torqued to 56lbs. I'm afraid 112 will strip or snap them? I can't afford that.


The hitch part number seems to be 354528. It's bolted to the chassis with 6 carrier (carriage) bolts. The stamp on the bolt head is hard to read. I had to use a mirror and the stamps aren't in the best shape. It seems to read: 01R1 with a | opposite that stamping.


Any help appreciated.
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Old 03-31-2019, 12:59 AM   #4
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THOR #5597
Dump the grade 5 bolts and get all new grade 8 fasteners, grade 5 is not good for high stress areas.
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