Chevrolet didn't offer one, but GMC did. The 8 lug wheels peg it as either a 3/4 or 1 ton, though, as 1/2 tons are 6 lug. Seems the seller listed it incorrectly. On the stake pockets, 1/2 tons only have 2 per side, 3/4 and 1 tons have 3. The bed lengths will be 7 1/2' for 3/4 ton, 9' for 1 ton.