What kind of a class 6/7 truck do I need to tow ~24,000 lb. on a pintle-hitch trailer? What GVWR? Single or tandem axle? HP? I found a 16-ton, 25-foot tandem tilt bed, weight ~7,000 lb. Trailer and equipment would weigh ~31,000 lb. Ideally, the truck would be equipped with a hook lift. Thanks.