It's a dump truck with four axles--the steer axle in front and three axles in back. One of them moves up and down via a control in the cab, so the tires aren't on the road if the truck's not loaded. A tri-axle dump truck carries more weight than a one-axle or two-axle truck.
That's going to depend on the dump truck's configuration. It could be a single axle, tandem, tri-axle, quad axle, quint axle, centipede, frameless end dump, framed end dump, etc.
The amount of dirt a dump truck can hold depends on the size of the dump truck. The average tri axle dump truck can hold 12 cubic yards of dirt, and a quad axle can hold 14.
Tandem axle dump truck. In some states, you may be able to put up to 15 tons on a single axle with an additional lifting tag axle.
What type and configuration of dump truck? A single axle dump truck is going to be much shorter than a centipede, and you could be referring to any dump truck in between the two extremes, as well.
What type and configuration of dump truck? A single axle dump truck is going to be much shorter than a centipede, and you could be referring to any dump truck in between the two extremes, as well.
It looks like a dump truck that has another axle in front of the tandems at the rear of the vehicle. Most people who have these trucks have a mechanism to allow the fourth axle to be raised when it's not needed.
A North American truck will be 96" wide.
4289321 cubic inches
Centre of the front axle to the centre of the rear axle.
A dump truck with two (tandem) rear pulling axles supported by a third fixed axle located in the middle of the truck which only reaches the ground after a certain amount of load weight.
A quad axle dump truck is a tandem axle dump truck, with additional lifting pusher and/or tag axles. The most common configuration is two steerable lift axles in front of the drive tandems, although some will have one pusher in front of the tandems, and a tag behind the tandems.