I have a 2013 Duramax short box with 2017 Northern Lite 8-11. Been very happy with the NL....good quality, comfortable floor plan and the fiberglass construction is a big plus. Gross vehicle weight with empty water tank is approx. 11,200 lbs. which exceeds my truck mgvw rating of 10,000 lbs. I added Roadmaster Active Suspension and Rancho 9000 shocks and it drives and handles well. However, I recently purchased a new (2019) Duramax 3500 HD with a mgvw rating of 11,500 lbs. I'm more comfortable being within the truck's rating in the event of a serious accident and potential insurance issues.
