What are Mobile Compressors used for?

Mobile air compressors are portable, towable compressors particularly useful for applications that suit the construction and roading industry! You'll often see a mobile compressor being used for sandblasting, irrigation blow-outs, and for quarrying tools such as pneumatic block cutters and rock drills. 

So what are Mobile compressors?

When you think of an air compressor, most people think about piston compressors or compressors that are stationary. Mobile compressors are portable, easily attached to vehicles or trucks for towing to site, and are almost always diesel powered! They range from very small, to very large and can be offered with electric motors, or are diesel engine powered oil-injected screw compressors. 

Today, mobile compressors must demonstrate high overall operational flexibility to serve a range of applications in different environments based on ambient temperatures, humidity levels, working pressures, altitudes and load cycle profiles. Other requirements relative to mobile compressors include high operating reliability, good service characteristics, small environmental impact resulting from low noise levels and regulated exhaust emission levels, compact dimensions and a low total weight.

What are these towable compressors used for?

Mobile compressors initially were used on construction sites and for off-road drilling. You'll see them now being used in many more applications and processes: road repair, pipeline work, rock reinforcement, sandblasting, salvaging operations, etc. Generally, mobile compressors are packaged as standalone compressed air plants with optional, integrated air treatment equipment on-board (aftercooler, water separator, fine filters, reheater, lubricator, etc.) as well as optional auxiliary equipment (5 to 10 KVA electric power generator 230V/400V, cold start aids, anti-theft devices, spillage-free chassis etc). There are mobile, diesel powered electric power generators built in similar enclosures as mobile compressors for larger power requirements.

Are mobile compressors noisy?

These days diesel-powered compressors have considerably lower noise levels. These machines can therefore be used without negatively impacting populated areas and areas near hospitals, etc. The silencing enclosure is generally a single-wall steel construction, although double-wall steel and even durable polyethylene enclosures have recently been introduced, containing special baffling and substantial amounts of sound absorbing foam.

In the last 20 years fuel economy has improved substantially by introducing very efficient screw compressor elements and efficient packaging. This has been especially valuable for water well drilling, which is a task that requires the compressor to work intensively over a long period of time. Moreover, modern compressors can be equipped with fuel economy optimizing hardware and software that is far superior to the conventional pneumatic engine/compressor control systems.

Since the introduction of specific exhaust emission legislation in 1997 in the United States, Europe and elsewhere, diesel engines that comply with latest exhaust gas emission requirements are being chosen more often.

Our range of Chicago Pneumatic mobile compressors  all comply with New Zealand standards and can be found on our website


Ash Air offer a range of Chicago Pneumatic compressors perfect for the New Zealand climate and construction industry.

We have a wide range of mobile diesel air compressors  available for sale from stock in New Zealand. We offer an mobile portable air compressors for construction applications, and blasting and roadworks. Chicago Pneumatic mobile air compressors are perfect for sandblasting applications and quarrying tools such as pneumatic block cutters and rock drills, and our range is commonly used for handheld drills, surface drilling, abrasive blasting, ice blasting, road work, shotcrete pumping, and general rental/hire. We also supply very efficient towable diesel LED light towers that offer low operating and maintenance costs, low emissions, and low fuel consumption.

Check out our video below about our Red Rock range:

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Who we are and how Ash Air can help your business!

Ash Air has been around in New Zealand since 1979, and we’ve grown into a nationwide company with international support and a reputation for quality and reliability.We look after all things compressed air for your business!

  • Reciprocating, Screw, air compressors
  • Vacuum pumps
  • Nitrogen
  • An extensive line of air treatment components

Ash Air's range of Chicago Pneumatic, Alup, Pneumatech, and Quincy compressors are used extensively around the world in industries ranging from oil and gas to food, automotive and farming, and we bring you these world class compressors here in the land of the long white cloud.Our technicians are compressed air equipment experts and are dedicated to addressing customer needs. Supported by a 13 locations nationwide, Ash Air offers one of the widest selections of compressed air equipment and parts available today in New Zealand.

Reliability and Efficiency

With Ash Air compressors, you can count on reliability and high performance for even the most demanding applications. We focus our efforts on the following:

  • Increasing uptime
  • Reducing unexpected repairs
  • Reducing energy consumption
  • Improving the cleanliness of compressed air

Talk to the team today:  CONTACT US CONTACT US

Read more from our #expertcorner

Air compressors are used in many different applications and provide essential compressed air to many businesses and individuals with different air needs. No matter what your CFM, PSI and HP requirements are, the electronic controller on your air compressor is the motherboard for keeping your unit running as efficiently as possible. It is your eyes into your machine.

The emergency stop, "e-stop", is for true emergency situations only. When hitting the e-stop, all power is halted from the machine and the unload process isn't achieved. The emergency stop button is intended to help with possibly hazardous situations that are developing. Common conditions of having to use the e-stop is the misuse of the equipment in ways that weren’t intended, predictable failures not addressed or failing to consider all the foreseeable uses of the compressor.

Air compressors are helpful for an enormous range of applications such as air filling, packaging, tools, HVAC control, and more! One possible drawback is the amount of electricity they use; air compressors can be a huge drain on energy if used ​inefficiently​. If you are running them too long, allowing leaks to exist, or using the wrong type of compressor, you are wasting ​energy and money​. This article will go over some of the biggest power-wasters and how to
stop/prevent them!

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