Aftermarket Fuel Tanks for Towing & Equipment | Manassas VA – American Truck & Trailer Supply

Fueltanks

Aftermarket Fuel Tanks for Trucks – Manassas, VA

Transfer & Auxiliary Tank Sales and Installation for Towing & Refueling

At American Truck & Trailer Supply in Manassas, Virginia, we specialize in aftermarket fuel tanks designed for serious towing, long-distance hauling, and on-site equipment refueling. Whether you need extra range for your diesel truck or want to fuel equipment in the field, we offer top-quality auxiliary and transfer fuel tanks—plus expert installation.


Who Needs an Aftermarket Fuel Tank?

If you rely on your truck for work or long hauls, an upgraded fuel tank gives you:

  • Extended Range When Towing

  • Less Time Spent Refueling on the Road

  • Mobile Fueling for Equipment & Machinery

  • Improved Efficiency for Farms, Construction, & Landscaping Crews

  • Seamless Fuel Management with In-Bed or Underbody Options


Fuel Tanks We Offer & Install

We carry a full line of DOT-compliant, corrosion-resistant fuel tanks from trusted manufacturers—built for performance, durability, and safety.


Auxiliary Fuel Tanks

Perfect for diesel truck owners looking to extend driving range while towing. These tanks plumb directly into your truck’s main tank using a fuel transfer system.

Features:

  • Diesel-only compatibility

  • In-bed mounting (various capacities: 30–100+ gallons)

  • Automatic or manual transfer control

  • Integrated toolboxes available

  • Compatible with major truck brands

Popular Brands:
Transfer Flow, RDS, Titan Fuel Tanks, Dee Zee


Transfer Fuel Tanks

Ideal for refueling off-road equipment, generators, tractors, mowers, or other jobsite machinery. These tanks act as portable fuel stations for your business or farm.

Features:

  • Manual or electric pumps with nozzles

  • Diesel or gasoline compatibility (select models)

  • Lockable fill caps and baffles

  • Available with built-in toolboxes

  • DOT-approved options for road use

Use Cases:

  • Construction & Landscaping

  • Farming & Agriculture

  • Utility & Service Fleets

  • Remote Job Sites


Aftermarket Replacement Fuel Tanks – Increase Capacity Without Losing Bed Space

For drivers who want more fuel capacity but prefer to keep their truck bed clear, larger-capacity replacement fuel tanks are the perfect solution. At American Truck & Trailer Supply, we offer and install direct-fit replacement fuel tanks that mount in the factory location but hold significantly more fuel.


Why Upgrade to a Replacement Fuel Tank?

These tanks are ideal for towing, long-haul driving, or fleet use, giving you increased range without the need for in-bed tanks or transfer systems.

Benefits:

  • Up to 60+ gallons capacity (depending on truck model)

  • Retains all factory emissions and fuel system functions

  • Maintains truck bed space for cargo or fifth-wheel clearance

  • Heavy-duty, corrosion-resistant steel or polyethylene construction

  • Ideal for RV towing, hotshot trucking, and commercial fleets



Professional Fuel Tank Installation – Done Right

Installing fuel tanks involves more than just bolting it down. Our skilled technicians handle everything from wiring and plumbing to safety compliance and fuel system integration.

Our installation includes:

  • Mounting and secure bracing

  • Fuel line plumbing to OE or auxiliary systems

  • Pump and wiring setup

  • Customer instruction for operation & refueling


Compatible with All Major Truck Brands:

  • Ford Super Duty (F-250, F-350, F-450)

  • Chevy Silverado HD / GMC Sierra HD

  • Ram 2500 / 3500

  • Toyota Tundra

  • Flatbeds, utility trucks, and commercial fleet vehicles


Serving Manassas & Northern Virginia

We proudly serve work truck owners and contractors throughout:

  • Manassas

  • Gainesville

  • Bristow

  • Centreville

  • Nokesville

  • Haymarket

  • Warrenton

  • Prince William County & Northern VA

Whether you’re a farmer, contractor, hauler, or weekend warrior, we’ve got a tank setup for your needs.


Why Choose American Truck & Trailer Supply?

 In-Stock Fuel Tanks from Trusted Brands
 Experienced Installation Technicians
 DOT-Compliant & Job-Ready Systems

We’ve helped hundreds of local drivers and business owners upgrade their trucks for range, efficiency, and reliability.


Request a Quote or Book Your Installation Today!

Ready to go farther—or fuel your jobsite from the bed of your truck? Contact American Truck & Trailer Supply today for a quote on fuel tank sales and installation in Manassas, VA.

Visit Us: 11949 Livingston Road, Manassas, Virginia
Call: 703 257 1710