Transmission torque capacity is generally the factor of tow capacity. I have a 2011GMC with Duramax (430HP) and Allison 1000...tow capacity is 16,700#. I also have a Chevy 2500 Express Van with Duramax (325HP) and GM 6 Speed...tow capacity is only 10,000#. HP is reduced on van due to transmission and so is tow capacity. Also I think there's some metal stamping issues going on here.
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Now an SOB
Traded Thor for Melbourne Prestige 24NP
2018 THOR Chateau 35SF
Two Labs, Bugsie & Blondie
Blondie passed in 2020 at 5 to Leukemia
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