Hazmat's Ford terramax (same as the ultramax just on a Ford chasis) weighed in at 6775 lbs before he started working on it. Yeah, 7,000 lbs is heavy, but it still has 3,200 lbs of payload before hitting the 10,000 lb gvwr. Compared to a Sprinter with an 8,550 gvwr...Im betting the payload is...