Whatever the customer orders them to be. In a lot of places, you'll gain 500 lbs. of allowable gross weight for every 1 ft. of additional wheelbase.
16 yards is standard 20 yards for a 12 wheeler
Legal gross weight ranges between 51,000 and 54,000 lbs. It depends on the wheelbase, and what states allow on secondary roads.
A 10 wheel flatbed truck.
It can vary, but usually 10 cubic yards.
Measure from the Center of the front wheel to the centrer of the rear wheel
The words "Super 10" refer to the Eaton 10 speed heavy duty manual transmission.
That depends on the configuration. It could be anywhere from 10 to 30.
They had a short wheel base truck and a long wheel base truck. The short bed truck had a 115" wheelbase. The long bed truck had a 127" wheelbase.
Depending on the size of the truck, payloads can range from 10-30+ tons.
Three - the two drive axles, and the steer axle.