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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 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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