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Essential for Eco-Friendly Emissions

DEF Tankers


The Role of Diesel Exhaust Fluid (DEF)

Diesel Exhaust Fluid (DEF) plays a pivotal role in the exhaust systems of trucks, transforming harmful NOx emissions into benign nitrogen and water. Our DEF tankers are designed to efficiently fill your heavy-duty equipment, whether at construction sites, farms, or other applications. With Amthor's commitment to quality, all our DEF tanks are crafted entirely from stainless steel, ensuring durability and reliability.

Versatile Design & Construction

Whether you need a standalone DEF fluid tanker truck or one saddled with a refined fuel tank, Amthor offers solutions tailored to your needs.

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Key Features

  • Durability: Complete 304B stainless steel construction for longevity.
  • Design Flexibility: Available in either Monarch or Cardinal tank models, with all 5 rear canopy options.
  • Lighting: Betts LED lighting ensures visibility, complemented by vapor-proof wiring.
  • Equipment: All pumping and metering equipment is constructed from stainless steel for enhanced durability.

Customize Your Tanker

  • Combine with a fuel tanker for a comprehensive solution.
  • Heating & insulation options to suit various climates.
  • Personalize with tank wraps and custom paint jobs to match your brand.
  • Cabinet-mounted equipment

Tank Models


This model boasts a semi-rectangular shape. The heads and baffles of this tank are reinforced with “Z” stiffeners, a brace that is added to strengthen and stiffen the vessel.



Known for its semi-elliptical curved tank shape, the Cardinal model is a popular choice.

The heads on a cardinal tank are dished and flanged and a lip is formed around the entire edge of the heads.

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Optimize Your Emission Management with Amthor's DEF Tankers.

Customize Your DEF Tanker

Amthor International proudly presents our lineup of cutting-edge DEF (Diesel Exhaust Fluid) tankers, engineered to meet the stringent demands of modern transportation and environmental regulations. With a commitment to quality, innovation, and customer satisfaction, we offer DEF tankers that set the industry standard for durability, design flexibility, lighting, and equipment. Learn more about our DEF tankers below, along with answers to frequently asked questions.

Key Features of Our DEF Tankers:

  • Durability: Our DEF tankers are built to last, featuring complete 304B stainless steel construction for unmatched longevity and corrosion resistance. This ensures that your investment in a DEF tanker from Amthor International will continue to perform reliably for years to come, even in the harshest operating conditions.
  • Design Flexibility: We understand that every customer has unique requirements, which is why our DEF tankers are available in either Monarch or Cardinal tank models. Additionally, we offer all five rear canopy options, allowing you to customize your tanker to suit your specific needs and preferences.
  • Lighting: Safety is paramount in transportation, which is why our DEF tankers are equipped with Betts LED lighting. This ensures maximum visibility and safety on the road, even in low-light conditions. Our vapor-proof wiring further enhances safety and reliability, providing peace of mind for both drivers and operators.
  • Equipment: Our DEF tankers are equipped with top-of-the-line pumping and metering equipment, all constructed from stainless steel for enhanced durability and reliability. This ensures accurate and efficient dispensing of DEF fluid, allowing you to maintain compliance with emissions regulations and optimize the performance of diesel engines.

Frequently Asked Questions (FAQs) about DEF Tankers:

What is a DEF tanker?

  • A DEF tanker is a specialized vehicle designed for the transportation and dispensing of Diesel Exhaust Fluid (DEF). DEF is a non-toxic solution used to reduce emissions in diesel engines, and DEF tankers are essential for ensuring compliance with emissions regulations and maintaining engine performance.

What is a DEF system?

  • A DEF system is a component of a DEF tanker that includes storage tanks, pumping systems, and dispensing equipment for handling DEF fluid. These systems are designed to accurately measure and dispense DEF fluid into diesel engines, ensuring optimal performance and emissions control.

What types of DEF trucks do you offer?

  • We offer a wide range of DEF trucks, including standard tankers, mobile DEF dispensers, and custom-built units tailored to specific customer requirements. Our DEF trucks are available in various sizes and configurations to suit different applications and industries.

Are your DEF tankers compliant with industry regulations?

  • Yes, our DEF tankers are designed and manufactured to meet or exceed all relevant industry regulations and standards, including those set forth by the Environmental Protection Agency (EPA) and the American Petroleum Institute (API). We prioritize safety and compliance to ensure the highest level of quality and reliability for our customers.

Can I request a quote for a custom DEF tanker?

  • Absolutely! We welcome inquiries for custom DEF tankers and are happy to provide you with a personalized quote based on your specific requirements. Contact us today to discuss your needs and receive a competitive quote for a custom DEF tanker designed to meet your exact specifications.

Experience the superior performance and reliability of Amthor International's DEF tankers. Contact us today to learn more about our products and discover how we can help you meet your DEF fluid transport needs.