All of the 2020 Chevy/GM diesels come with a 3:42 rear-end. The 2500's can tow 18,500 lbs. while a standard cab DRW can tow 35,500 lbs. All with the same Duramax engine, Allison 10 speed trans, and the 3:42 rear end. I love mine.
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2019 Keystone Montana 3560RL, 2020 Chevy 2500 HD, Firestone airbags, Air Lift wireless compressor, Curt gooseneck, 20K Reese Goosebox, TST-507, USMC combat vet & retired LEO. Robert, Anika, Breanna, Dylan (daughter-in-law Stephanie). & our Great Pyrenees Layla
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