Dump Trucks
Dump trucks or production trucks are those that are used for transporting loose material such
as sand, dirt, and gravel for construction. The typical dump truck is equipped with a hydraulically operated open
box bed hinged at the rear, with the front being able to be lifted up to allow the contents to fall out on the
ground at the site of delivery.
Dump trucks come in many different configurations with each one
specified to accomplish a specific task in the construction chain.
Standard dump trucks
The standard dump truck is a full truck chassis with
the dump body mounted onto the frame.The dump body is raised by a hydraulic ram lift that is mounted forward of the
front bulkhead, normally between the truck cab and the dump body.
The standard dump truck also has one front axle, and one or more rear axles which normally
has dual wheels on each side. The common configurations for standard dump trucks include the six wheeler and ten
wheeler.
Transfer dump trucks
For the amount of noise made when transferring, the transfer dump truck is easy to recognize. It's a standard dump
truck that pulls a separate trailer which can be loaded with sand, asphalt, gravel, dirt, etc.
The B box or aggregate container on the trailer is powered by an electric motor and rides on
wheels and rolls off of the trailer and into the main dump box.The biggest advantage with this configuration is to
maximize payload capacity without having to sacrifice the maneuverability of the short and nimble dump truck
standards.
Semi trailer end dump trucks
The semi end dump truck is a tractor trailer combination where the trailer itself contains the hydraulic hoist. The
average semi end dump truck has a 3 axle tractor that pulls a 2 axle semi trailer. The advantage to having a semi
end dump truck is rapid unloading.
Semi trailer bottom dump trucks
A bottom dump truck is a 3 axle tractor that pulls a 2 axle trailer with a clam shell type dump gate in the belly
of the trailer. The biggest advantage of a semi bottom dump truck is the ability to lay material in a wind row.
This type of truck is also maneuverable in reverse as well, unlike the double and triple trailer
configurations.
Double and triple
The double and triple bottom dump trucks consist of a 2 axle tractor pulling a semi axle semi
trailer and an additional trailer. These types of dump trucks allow the driver to lay material in wind rows without
having to leave the cab or stop the truck.The biggest disadvantage is the difficulty in going in
reverse.
Side dump trucks
Side dump trucks consist of a 3 axle trailer pulling a 2 axle semi trailer. It offers hydraulic rams that tilt the
dump body onto the side, which spills the material to the left or right side of the trailer.The biggest advantages
with these types of dump trucks are that they allow rapid unloading and carry more weight than other dump
trucks.
In addition to this, side dump trucks are almost impossible to tip over while dumping, unlike
the semi end dump trucks which are very prone to being upset or tipped over. The length of these trucks impede
maneuverability and limit versatility.
Off road dump trucks
Off road trucks resemble heavy construction equipment more than they do highway dump trucks. They are used strictly
for off road mining and heavy dirt hauling jobs, such as excavation work. They are very big in size, and perfect
for those time when you need to dig out roads and need something to haul the massive amounts of dirt to another
location.
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