Hydraulic Excavators: What Is the Price and Application

Hydraulic excavators are machines used for digging and moving earth, as well as other heavy-duty tasks. They consist of a boom, which is attached to a boom cylinder that moves it up and down, and an arm or bucket on the end of the boom for cutting into the ground or picking up loose material.

What is hydraulic excavator?

Hydraulic excavators, or”hydras” for short, are large construction equipment that use mechanical arms to dig holes in the earth. They are used for digging holes for foundations of buildings and for digging trenches for laying pipes. Most excavators are hydraulic excavators.

CAT336D Series hydraulic Excavator

Why do excavators use hydraulics?

Hydraulic excavators are used to dig holes and move large amounts of dirt. They do this by using hydraulic power to control the movement of the arm, bucket, and other parts of the machine.

So why do they use hydraulics? Hydraulics allow an excavator to lift heavy objects by applying pressure through a pump at a high rate, which gives them enough force to lift up large pieces of equipment or push down big piles of earth during digging operations. Hydraulics also allow operators to control how deep their equipment goes into the ground based on how much pressure has been applied through their controls.

What are the main components of hydraulic excavator?

The main components of a hydraulic excavator include an engine, a hydraulic system, transmission, boom, bucket and stick.


The engine is the most important component in this machine. It provides power to all other parts of the excavator by converting energy from burning fuel into mechanical energy which is then transferred to other parts via its shafts or pistons.

Hydraulic system

The hydraulic system is responsible for moving soil around so you can use it to dig trenches in your garden or build walls around your property. It also allows you to control how much force is applied by using valves on each cylinder.


The transmission is responsible for transferring power from the engine to the wheels or tracks. This allows an operator to control how fast they want their excavator to move without having any issues with stalling out because there’s no way that could happen if something goes wrong during excavation!

Boom, bucket and stick

The boom is responsible for excavating the soil, while a bucket collects and moves it around. The stick moves the arm, which actually digs into dirt like a shovel.


The cab is what makes up all of these components, and it’s where an operator will sit while operating the excavator.

excavator cab

What is the difference between hydraulic excavator and backhoe?

Hydraulic excavators are considered to be the bigger and more powerful machines. They feature a cab for the operator and an engine that is connected to a hydraulic pump, which provides the power to operate numerous attachments.

Backhoes, on the other hand, are smaller and lighter than hydraulic excavators but can also dig in addition to lifting up material. The backhoe’s bucket scoops material from one place and lifts it up with its arm. Backhoes are typically used for digging trenches or lifting soil from ditches before loading it onto trucks or moving it around a construction site.


What can a hydraulic excavator be used for?

The use of hydraulic excavator

Hydraulic excavators are an ideal choice for digging holes, moving materials and loading trucks. They can be used to:

Excavate soil, sand or gravel

Load buckets with earth (or other materials) and transport these loads to the desired destination(s). Loading may occur using a front-end loader attachment or a forklift attachment which allows you to load material directly into the truck’s bed.

Level surfaces such as roads, driveways and foundations by removing excess dirt from below raised areas that need leveling before paving can begin. This also reduces the amount of asphalt needed for paving because there is no need for additional material in between raised areas.

Dig trenches up to about 20 feet deep so that utilities such as gas lines or water pipes can be installed underground without disrupting existing trees or shrubs that may be located along this path of excavation.

Move large pieces of construction equipment into position on topsoil where work needs performed; then lift those same machines back out when finished.

Clean up wet basements after heavy rains/flooding — excavators are perfect at breaking through concrete walls/floors (to allow pumping out water), removing soggy carpeting & replacing drywall!


How much does a hydraulic excavator cost?

The cost of a hydraulic excavator

The cost of a hydraulic excavator can range anywhere from $300,000 to over a million. The size, brand and features of the machine will all determine its price. If the machine is in good condition and has all of its original parts, then it may be worth more than one that is damaged or missing some major components like a powertrain or engine.

If you’re searching for used equipment, expect prices to be lower than new models because they’ve already been worn down by previous owners who used them extensively throughout their lives before being sold off as scrap metal or discarded altogether due to broken parts that cannot be replaced anymore (which could happen if an owner doesn’t take proper care).

If you are looking for a used hydraulic excavator, prices will vary greatly depending on the size and brand of the machine. Size is one way in which these machines differ significantly from each other: while some may be as small as four meters long (13 ft) with an arm length of around two meters (6 ft 6 in), others can exceed ten meters long (33 ft) and three meters wide (10 ft). Prices also vary by model year since newer models cost more than older ones.



The hydraulic excavator is a type of vehicle that is used for digging and lifting dirt or other materials. It uses hydraulics to power its various functions. The cost of the excavator depends on the size and features it has but usually starts at around $60K without attachments.

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