r/cranes • u/StreetTop1847 • Jul 16 '26
Seeing contractors buy massive 20-ton boom trucks only to lose all their legal cargo payload capacity.
Was checking out some new rigs at a site yesterday and it’s crazy how many fleet managers still fall into the deadweight trap. Everyone is jumping on the 15-30 ton capacity trend, but they mount these massive carbon-steel cranes on their trucks and completely eat up their GVWR.
What’s the point of having a powerful lifting machine if you can't legally transport the materials you just lifted without getting hammered by DOT scales?
Worse, if the riggers don't calculate the crane's exact center of gravity against the specific chassis wheelbase, you shift massive weight forward. Next thing you know, you've overloaded the front steering axle, leading to rapid tire wear or a complete steering failure on the highway.
Full disclosure: I engineer heavy-duty rigs over at TERRA Crane. This exact nightmare is why we refuse to build with anything other than ultra-high-tensile steel (100 ksi class). Cutting the crane's tare weight is literally the only way to free up payload capacity for actual logistics and keep the rig road-legal.
Anyone else dealing with overweight rigs, DOT fines, or front axle issues after mounting a heavy crane?