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WHAT IS A HYDRAULIC AIR COMPRESSOR?

A hydraulic air compressor is an air compressor that’s powered by the hydraulics on a vehicle or machine. It allows operators to convert their hydraulic power into air power, ultimately equipping a vehicle or machine with both hydraulic power and air power.

HOW DOES A HYDRAULIC AIR COMPRESSOR WORK?

A hydraulic air compressor works by converting hydraulic power into mechanical power, and then mechanical power into air power.

 

To convert hydraulic into mechanical power, a hydraulic pump pushes hydraulic fluid into a hydraulic motor, forcing it to spin. This spinning motor is connected to an air compressor using a belt or direct-drive, which in turn powers the air compressor system and converts mechanical power into air power.

Of course, this is a simplified explanation, as numerous other components may or may not be required, including manifolds, hoses, valves, cooling systems, and so forth.

 

Regardless of the exact configuration, the core components of any hydraulic air compressor set up include:

 

Hydraulic Pump – pushes hydraulic fluid through the system

Manifold – controls the flow of hydraulic fluid to the motor

Hydraulic Motor – forced to rotate by the hydraulic fluid

Air Compressor – powered by the hydraulic motor

Cooler/Reservoir – hydraulic fluid returns from the motor to the cooler, then reservoir tank

These components work together to effectively transform hydraulic power into air power.

WHAT ARE THE BENEFITS OF A HYDRAULIC AIR COMPRESSOR?

Hydraulic air compressors have many benefits, including the ability to run air tools. Air tools, or pneumatic tools, are highly powerful tools that enable operators to perform tasks quickly and efficiently.

 

COMMON TOOLS POWERED BY HYDRAULIC AIR COMPRESSORS

A wide variety of air tools across numerous applications can be powered by hydraulic air compressors. Some of the most common pneumatic tools used with hydraulic air compressors are:

 

Impact wrenches

Jackhammers

Air chucks

Grinders

Chipping hammers

Air spades

Moles

Post pounders

MORE HYDRAULIC AIR COMPRESSOR BENEFITS

While many air compressors enable operators to use air tools, hydraulic air compressors have additional benefits that make them a great choice for many operators:

 

Easy access to both hydraulic and air power

Integrates with existing power source

No need for a new, separate compressor engine

Cost-effective compared to other vehicle-integrated air compressors

Relatively easy to install & use

Safe & reliable

Transferable between vehicles with similar hydraulics

WHEN SHOULD I CONSIDER A HYDRAULIC AIR COMPRESSOR?

Operators who already have hydraulics and want to add air power are the best candidates for a hydraulic air compressor. Of course, a vehicle that’s being upgraded with new hydraulics and a new air compressor is also a great fit. In either scenario, a hydraulic air compressor will take advantage of the existing hydraulics system with a clean, straight-forward install.

 

In years past, hydraulic air compressors were almost exclusively used on trucks with hydraulic cranes. But the mobile air industry is rapidly innovating and hydraulic air compressors are now found on excavators, including hi-rail excavators, pile drivers, and other specialized hydraulic equipment. Operators who work with any of these machines should consider a hydraulic air compressor when adding air power to their equipment.


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