Here's a weird one. A 1991 GMC Top Kick VIN 1GDP7H1J9MJ522170 has a smeared OEM GVWR decal on it. It was 36,220 GVWR: 13220 Front, 23,000 rear. The truck has had no wheelbase, suspension or axle changes, but had a dump body installed where a bucket (or similar... Login to read more.