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Types of Portable Diesel Air Compressors

Diesel air compressor on service truckPortable diesel air compressors come in numerous styles, sizes and formats. In this article, we’ll talk about the most common types of diesel-powered portable air compressors, so you can make sense of your various options.

One of the most important differences between diesel air compressors is the intended market and, subsequently, the quality and cost. Air compressors are made with one of three targets in mind:

  • Residential / Casual
  • Commercial
  • Industrial

Residential Portable Diesel Air Compressors

Hobby diesel air compressorResidential, hobby and casual-use air compressors are the ones you’ll commonly find at Home Depot, Amazon or eBay. They typically offer less than 10 CFM at 90 PSI and are best suited for small, personal projects or operators who only need air on a very irregular basis.

These air compressors need to be portable and are typically light enough to carry or pull by hand, so they can be easily tucked away when they’re not in use.

Residential Diesel Air Compressor Overview

  • Up to 10 CFM @ 90 PSI
  • Reciprocating air end
    • Requires 1- to 80-gallon air receiver tank
  • Pancake or hot dog air receiver tank
  • Hand-carry or wheels
  • Usually not diesel powered

Choosing A Portable Residential Diesel Air Compressor

Residential air compressors are almost always reciprocating air compressor systems, as this is the most cost-effective form of air compressor.

Reciprocating air compressors require an air receiver tank, which needs to be filled before the compressed air can be used, and these air tanks are the most noticeable feature of residential air compressors.

Residential portable air compressors typically come with an air receiver tank that is between 1 and 80 gallons, and these tanks are available in “hot dog” or “pancake” shape. There is no notable benefit to one tank shape over the other.

Hobbyist air compressors will usually provide enough air for everyday household air tools, including drills, nailers, and small impact wrenches.

In today’s market, diesel powered variations of residential-grade air compressors are rare. Most manufacturers favor an electric or gasoline power source, as these are easier to source for most casual air tool users.

If you’re looking for more info on low CFM, budget-friendly air compressor options, check out Home Depot’s Air Compressor Buying Guide.

Portable Diesel Air Compressors For Commercial Use

VMAC diesel air compressorCommercial-grade portable diesel air compressors are the next step up and are best suited for most businesses using 60 to 250 CFM of compressed air, including tire service, construction, municipal utilities, and mobile mechanics.

Commercial air compressors are meant for operators who use air on a regular basis and need access to air wherever they go. These heavy-duty air compressors usually weight 500 to 2000 pounds, so they are usually towed on their own chassis, skid-mounted, or mounted directly to a service vehicle. One example of this style of portable compressor is VMAC’s D60 diesel air compressor.

Tow-behind air compressors have their purpose for commercial use, but we think their cons greatly outweigh the pros.

Commercial Diesel Air Compressor Overview

  • Up to 250 CFM @ 150 PSI
  • Rotary screw or reciprocating air end
    • Air receiver tank optional for rotary screw
    • “Hot dog” air tank for reciprocating
  • Vehicle-mounted, skid-mounted, or tow-behind

Options For Commercial-Grade Portable Diesel Air Compressors

A lot more options come into play when considering commercial-grade portable diesel air compressors: a higher CFM and PSI range, rotary versus reciprocating air ends, the type of work being performed, and more.

While there are a lot of options available for portable diesel air compressors at the commercial level, it’s important to recognize that not all options are equal.

Better quality air compressors, including rotary screw variations, tend to come at a higher price point than lower quality options, which are made with cheap parts or bulkier designs.

If you rely on compressed air to get your work done, we recommend only working with manufacturing brands that have a lifetime warranty on their air compressors. Top shelf air compressor manufacturers will stand behind their products to ensure they last as long as you need them to.

Discover 6 awesome features of VMAC’s D60 diesel air compressor or find out more about how to choose a mobile air compressor for your work!

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Industrial-Grade Portable Diesel Air Compressors

Atlas Copco portable diesel compressorLast but not least, there are also industrial diesel air compressors. Industrial compressors are large machines that are used for very specialized purposes, and are made by industrial supply companies including Atlas Copco and Sullair.

Industrial air compressors can produce very high CFM and high PSI, but also come with an equally high price tag, and generally come in tow-behind or utility-mounted models. If you’re not sure whether you need an industrial-grade air compressor for your work, you probably don’t.

Industrial Diesel Air Compressor Overview

  • Up to 1800 CFM @ 500 PSI
  • Rotary screw or centrifugal air end
  • Tow-behind or utility-mounted

Options For Portable Industrial Diesel Air Compressors

Industrial diesel air compressors are made for applications that require high CFM, with options over 2000 CFM available.  These air compressors are used to power large pneumatic tools and equipment, or multiple large tools at a time.

Industrial diesel air compressors tend to come in tow-behind or utility mounted models, allowing the air compressors to be moved by either a truck, forklift or crane.

Most diesel industrial air compressors use rotary screw designs, although there are some rare exceptions. Because industrial applications are so varied and unique, the best way to find the right industrial-grade diesel air compressor for your work is to talk directly with the major manufacturers or with a trusted industrial supplier.