If you need reliable, portable fueling on jobsites, farms, or long-haul trips, an auxiliary gas tank with a built-in pump is a practical choice. This guide highlights five solid options, explaining who each model is best for and why. It also covers key buying considerations, so you can compare capacity, pump flow, materials, and mounting options at a glance. The top picks are organized to help you pick the right balance of capacity, durability, and convenience for your needs.
Summary of selected products:
- VEVOR Portable Diesel Tank — best for high-capacity, portable diesel refueling with robust safety features.
- Vigorighter 51 Gallon Aluminum Tank Toolbox Combo — best for compact trucks needing a toolbox plus fuel tank.
- PRUNkuar 60 Gallon Aluminum Tank Toolbox Combo — best for a larger capacity with integrated toolbox and pump.
- PRUNkuar 51 Gallon Fuel Transfer Tank Toolbox Combo — best for balanced capacity with a toolbox in a compact form.
- RDS MFG INC Rectangular 69 Gallon — best for large-capacity gasoline auxiliary fueling with top-siphon option.
VEVOR Portable Diesel Tank With 10 GPM Pump
Best for high-demand fueling on job sites where you need a large reservoir and a reliable 12V transfer pump. This 58-gallon tank uses durable polyethylene with a lockable lid to deter theft. It features a 12V pump with a 13.1-foot hose and a duplex filter system for cleaner diesel. A mechanical fuel gauge helps monitor capacity in real time. Use this when you require substantial diesel storage and steady transfer, especially in remote work areas.
- Capacity: 58 gallons; Flow: 10.6 GPM; Output power: 140W.
- Lockable lid, copper lock, theft deterrence.
- Durable 6–12 mm thick tank sections resist weather and UV.
- Duplex filtration for large and small impurities.
Best for: professionals who need a large, secure, portable diesel tank and a powerful transfer pump. Caution: ensure proper venting and secure mounting to avoid tipping during transport.
Vigorighter 51 Gallon Aluminum Tank Toolbox Combo
This option combines a 51-gallon aluminum transfer tank with a built-in toolbox, designed for compact truck beds. The rugged aluminum construction provides corrosion resistance and durability. It includes a high-flow 12V DC pump (12 GPM), a 13-foot hose, and an auto-shutoff nozzle for spill-free refueling in the field. It’s ideal for users who want one multi-purpose unit that stores tools and fuels in one footprint.
- All-in-one: fuel tank + toolbox in a compact footprint.
- Aluminum construction for corrosion resistance and light weight.
- Plug-and-play 12V pump system with auto-nozzle.
Best for: fleets or individuals who need extra storage alongside a mid-size fuel reservoir. Choose this if you want organization and fuel access in a single installation. Caution: check bed dimensions to ensure a snug fit.
PRUNkuar 60 Gallon Aluminum Tank Toolbox Combo
This 60-gallon aluminum transfer tank comes with a toolbox and a 12 GPM pump, delivering a well-rounded package for field fueling needs. The design emphasizes a removable toolbox footprint and a long 13-foot hose with an auto-nozzle for spill-free operation. It’s suitable for users who want a sturdy, portable unit with integrated tool storage and robust transfer performance.
- Capacity: 60 gallons; Pump: 12 GPM; 13 ft hose.
- Aluminum construction offers corrosion resistance and lighter weight.
- Integrated toolbox for on-site storage and quick access to gear.
Best for: professionals who need a larger capacity with tool storage. Choose this if you value integrated storage alongside a capable pump. Limitation: aluminum can scratch more easily than thicker metals in rough environments.
RDS MFG INC 69 Gallon Rectangular Tank
Designed for high-capacity fueling, this 69-gallon rectangular tank is suited for gasoline fueling via an electric pump. It emphasizes fully welded seams and a versatile shape that can fit certain short-bed configurations. This model is best for users who prioritize capacity and robust construction over added toolbox features.
- Capacity: 69 gallons; Top-siphon compatible with electric pump.
- Fully welded seams for durability and a solid build.
- Flexible fit for select truck configurations; measure prior to order.
Best for: customers needing a simple, high-capacity fuel tank without integrated toolbox. Avoid this if you require built-in storage or toolbox amenities.
Buying Guide: Key Purchase Considerations
- Capacity vs. space: Choose capacity that matches how far you drive between refuels and the space available in your vehicle or job site.
- Pump strength and hose length: A higher GPM pump delivers faster transfers; ensure hose length reaches your refueling points.
- Material and durability: Aluminum offers corrosion resistance and lighter weight; polyethylene is strong and chemical-resistant but heavier to mount, depending on thickness.
- Integrated features: Toolboxes add organization; consider lockable lids and anti-theft features for on-site use.
- Mounting and compatibility: Check bed dimensions and mounting points; verify whether the configuration supports your vehicle’s frame or bed style.
- Filtration and fuel quality: Duplex or multi-stage filters help reduce debris, improving pump reliability and fuel cleanliness.
Frequently Asked Questions
- What is the typical capacity for an auxiliary fuel tank? Capacities commonly range from 45 to 69 gallons, depending on the model and mounting options.
- Do these tanks come with pumps as standard? Many models include a 12V DC pump, but verify GPM and nozzle features before purchase.
- What materials are most durable for rugged use? Aluminum tanks are lightweight and corrosion-resistant; polyethylene tanks are robust and UV-stable, with varying thickness.
- Can I install these on any truck bed? Installation depends on bed size and mounting configuration; measure available space and consult mounting hardware requirements.
- Are integrated toolboxes worth it? Toolboxes add organization and reduce separate storage needs, but they increase overall size and weight.
- Is filtration necessary for diesel fueling? Duplex or multi-stage filters can improve fuel purity and protect pumps from impurities.