Some of the cement mixers here have a similar setup, although it's two steers, two drives, and two pushers. IIRC, they can still only gross 74k on them (here, anyhow). I don't know what that equates to in yards or tons, as I really don't know what the empty weight of them is. We also have some O/O's who run centipedes (two drive axles, one steer axle, four pushers), but I couldn't tell you a thing about them. If we did hire them, it was only ever to haul stock material, as they were much too cumbersome for a typical asphalt project.
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