2015 Chevy 1500

[mrsilv04]

That’s correct. The 3.42 is actually the towing rear end. The 3.08 was stock. The 3.42 is rated for something like 11,000 pounds.

Actually, that is incorrect. The 3.73 is the "towing" rear end. That's why it was offered as part of the appropriately named "Max Trailering" package.