Silverado towing
Can a 2015 6.6 diesel 3500 dually crew cab pull a
18,000 goose neck up a 7% grade
3 Answers
Look up the Chevy towing guide for this year but I don't see a problem as long as you don't expect to do 70 up the hill.
https://my.gm.com/content/dam/gmownercenter/gmna/dynamic/manuals/2015/chevrolet/equi nox/CH-CAT-10217126_MY15%20US%20Trailering%20Guide_122215.pdf
If you do this all the time I suggest a 4500 truck or heavier.