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Diesel Exhaust Fluid and Equipment

You Need It. We Have It.

+ Diesel Exhaust Fluid


Available in several sizes so it's easy to select the right amount for your operation.

+ Portable Dispensing Units

For larger operations, PDUs are offered from 13-gallon sizes up to the largest 120-gallon unit. Have it on-hand when you need it, then simply refill at your convenience.

+ Bulk Diesel Exhaust Fluid and Bulk Tank Systems

Call your local store for bulk pricing and availability.

+ Frequently Asked Questions

Everyone who owns or operates large equipment has likely heard of Diesel Exhaust Fluid, or DEF. Yet not everyone is fully aware of what exactly it is, what it does, and how it fits into an existing operation. Fortunately, for every question about DEF, there’s an answer.

Below are 10 of the most frequently asked questions – and answers – regarding DEF.

1. What Is DEF?

Diesel exhaust fluid, commonly referred to as DEF, is a solution of 67.5% deionized water and 32.5% high-purity urea, that’s used to chemically reduce nitrogen oxides emissions (NOx) from non-road mobile machinery and heavy equipment.

Just as important as knowing what DEF is – knowing what it’s not:

 DEF is not a fuel additive.
 DEF is not toxic or harmful to humans or animals.
 DEF is not flammable or explosive.

While safe, DEF should still be handled with care .....Read More→


    Download Full Product Listing                      Learn About Your Machine's DEF Usage                     Engine Regeneration – Passive vs. Active                  

Dont forget to ask About Our 5-Year Warranty on Pumps!


Click to find the RDO Equipment Co. store nearest you.