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Diesel Exhaust Fluid From Walthall Oil Company

With selective catalyst reduction powered by diesel exhaust fluid (DEF), your business’s modern diesel engines are running cleaner and releasing fewer toxic emissions than ever before. When you turn to Walthall Oil Company for your company’s DEF needs, we provide the bulk or packaged products you need to keep your operations running clean and efficiently!

Why Choose Diesel Exhaust Fluid From Walthall Oil?

More Convenience, Less Hassle

If you’re already fueling your fleet of vehicles or equipment on-site, you can enjoy the same kind of convenience for your engines’ DEF needs. Walthall’s dedicated DEF truck delivers bulk product as needed directly into your on-site storage tanks or totes for your operators to dispense while they’re fueling up.

Fill Up on the Go

If you’re not using on-site fueling, your diesels still need DEF. At Walthall’s retail stations and Fuel Pro cardlock stations, drivers can top off their DEF tank with convenient pumps adjacent to the station’s diesel pumps. If you need packaged DEF for smaller use cases, commercial-pack DEF is available at our convenience store locations.

Bulk Pricing for Maximum Savings

If you’re already buying fuel in bulk, you know the savings you enjoy with bulk purchasing. Get those same savings for your DEF! Stop paying retail markup and packaging costs for your vital DEF supply with bulk DEF delivery.

Support From a Team That Knows Your Business

Walthall Oil is your family-owned and -operated fuel and oil supplier. Our team is dedicated to improving efficiency for every part of your operation. Our affordable retail and commercial DEF solutions and reliable bulk DEF delivery services save you time and money while protecting our environment.

Find Out How Walthall Bulk DEF Improves Your Efficiency

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Convenience and Savings With Bulk DEF Delivery

On average, most diesel engines use about one gallon of DEF for every ten gallons of diesel – that adds up to a lot of DEF for most over-the-road and heavy equipment fleets. With the per-gallon price advantages of bulk purchasing, you can see thousands of dollars in savings each year.

On-Site DEF Storage

How large is your fleet? How much DEF do you use in a month? When you choose bulk DEF delivery from Walthall, we will take the time to learn about your operations and recommend the proper storage solution for your diesel exhaust fluid. Whether you need a tote to provide DEF for a small fleet or a full-size 2,000-gallon tank to support an expansive jobsite full of heavy equipment, we have the DEF storage solution you need.

No matter which storage solution you need, your tote or tank will come equipped with wireless monitoring equipment, a pump, and a dispenser to make filling your DEF tank as easy as pumping fuel.

Diesel Exhaust Fluid Management Made Easy

Don’t worry about the back office management of your DEF supply—Walthall has that covered for you, too. With wireless tank monitoring, we monitor your usage. When your tank runs low, we’re on our way with a fresh supply. Each delivery is designed to bring you the maximum quantity of DEF at the lowest possible per-gallon price, reducing both your DEF costs and the number of invoices your back office has to deal with.

With TECALEMIT fluid management solutions, your DEF management tasks are streamlined, as well. TECALEMIT systems provide:

  • Easy access control for your DEF, preventing unauthorized use
  • Accounting at the vehicle and/or driver level to ensure accurate oversight and budgeting
  • Online tools to make management of your DEF supply and usage easy and fast.

How Does DEF Clean Up Your Diesel’s Exhaust?

Reduced Particulates = Increased Nitrogen Oxides

In order to reduce particulates in diesel exhaust (the black, sooty particles that give diesel exhaust its distinctive dark color), most diesels now run lean, taking in more air than is strictly necessary to keep the engine running. This additional air provides more oxygen to the engine’s combustion, helping to burn off particulate matter before it can pollute the environment.

Unfortunately, that additional air also feeds the creation of dangerous oxides of nitrogen that are hazardous to plant and animal life.

Nitrogen Oxides + DEF = Safer Emissions

Diesel exhaust fluid is a completely sustainable, non-hydrocarbon solution of synthetically produced urea and deionized water. When injected into a diesel engine’s hot exhaust stream, the solution reacts with the nitrogen oxides present and converts them into harmless water and carbon dioxide.

When combined with a diesel particulate filter, your diesel engine’s SCR system and fresh supply of DEF create a cleaner working environment, safer operations, and a healthier world for everyone.

Diesel Exhaust Fluid for Every Industry

Walthall Oil Company proudly supplies diesel exhaust fluid for a wide range of industries across the Southeast, including:

Makes DEF Supply Management Easy
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Bulk Diesel Delivery Across the Southeast

Walthall’s bulk fuel delivery service has a large footprint, providing diesel across all of Georgia and into parts of five other states.