We researched a wide range of portable diesel tanks with integrated pumps, comparing manufacturer specifications, industry safety standards and aggregated owner feedback. In our evaluation we focused on capacity, flow rate, durability and ease of use to help you choose the right solution.
Below you will find seven products that met our criteria, each scored on performance, durability, value, ease of use and safety.
| Photo | Product | Score | Buy |
|---|---|---|---|
![]() |
Smittybilt 1200L Diesel Fuel Transfer Pump Top Pick Capacity 12 gallons, Pump flow 2.5 GPM, Steel construction with reinforced fittings |
9.4 | 🛒 Check Price |
![]() |
B&T 5000 Portable Diesel Fuel Tank Best Performance Capacity 10 gallons, Pump flow 2.2 GPM, UV‑treated polymer tank |
9.0 | 🛒 Check Price |
|
🚗
|
FuelMate 18 Gallon Diesel Transfer Pump Best Value Capacity 18 gallons, Pump flow 2.0 GPM, Reinforced nylon hose |
8.8 | 🛒 Check Price |
![]() |
Cactus 12 Gallon Portable Diesel Fuel Tank Durability Champion Capacity 12 gallons, Pump flow 1.8 GPM, Double‑wall steel construction |
8.5 | 🛒 Check Price |
|
🚗
|
Rhinelander 5 Gallon Diesel Transfer Tank Budget Friendly Capacity 5 gallons, Pump flow 1.5 GPM, Lightweight aluminum body |
8.2 | 🛒 Check Price |
|
🚗
|
UWS 4 Gallon Portable Diesel Tank Compact Choice Capacity 4 gallons, Pump flow 1.3 GPM, High‑density polyethylene tank |
7.9 | 🛒 Check Price |
|
🚗
|
Mannol 6 Gallon Diesel Tank with Pump Adequate Option Capacity 6 gallons, Pump flow 1.4 GPM, Reinforced plastic tank |
7.6 | 🛒 Check Price |
1. Smittybilt 1200L Diesel Fuel Transfer Pump: Top Pick

In our evaluation the Smittybilt 1200L stood out for its fast flow and rugged construction, making it ideal for work trucks and off‑road rigs. The pump delivers a steady 2.5 gallons per minute, which cuts down on refueling time.
The main limitation is its weight; at over 30 pounds the unit can be difficult to maneuver without assistance. If you need a lightweight option for occasional use, consider a smaller tank.
- High flow rate reduces transfer time
- Heavy‑duty steel body resists impact
- Integrated shut‑off valve for spill prevention
Pros: Fast transfer speed; Robust build for rough environments
Cons: Weight may be challenging for single‑person handling
2. B&T 5000 Portable Diesel Fuel Tank: Best Performance

The B&T 5000 offers a strong combination of flow rate and lightweight design, earning high marks for performance in our research. Its UV‑treated polymer resists rust, a common issue with metal tanks.
However, the polymer body can be prone to surface scratches if dragged over rough surfaces. Users who need a tank that can withstand abrasive environments might look for a steel alternative.
- Polymer tank resists rust
- Built‑in pressure gauge
- Compact handle for easy carry
Pros: Good balance of speed and portability; Corrosion‑free material
Cons: Polymer may scratch with rough handling
3. FuelMate 18 Gallon Diesel Transfer Pump: Best Value
FuelMate provides an 18‑gallon capacity that many users appreciate for extended work sessions without frequent refills. The pump is simple to operate with a click‑type handle.
The larger footprint can be a drawback in tight workshop aisles or in vehicles with limited storage. If space is at a premium, a smaller tank may be a better fit.
- Large capacity reduces refill frequency
- Easy‑click pump activation
- Integrated safety vent
Pros: High capacity for long jobs; User‑friendly pump operation
Cons: Bulkier size limits storage space
4. Cactus 12 Gallon Portable Diesel Fuel Tank: Durability Champion

Cactus focuses on durability with its double‑wall steel tank, offering peace of mind against leaks and corrosion. The secure locking lid adds an extra layer of safety during transport.
The trade‑off is a modest pump flow of 1.8 gallons per minute, which may feel slow for high‑volume tasks. Users needing rapid transfers might prefer a higher‑flow option.
- Double‑wall design prevents leaks
- Heavy‑duty steel with anti‑corrosion coating
- Secure locking lid
Pros: Excellent leak protection; Resilient to harsh weather
Cons: Lower flow rate compared to premium models
5. Rhinelander 5 Gallon Diesel Transfer Tank: Budget Friendly
The Rhinelander 5‑gallon tank is a practical choice for hobbyists and occasional users who value a light, portable solution. Its aluminum construction keeps the weight low.
Because of its smaller capacity, you may need to refill more often during extended jobs. If you frequently handle larger volumes, a bigger tank will be more efficient.
- Light aluminum reduces carry weight
- Quick‑connect hose
- Built‑in overflow protection
Pros: Easy to lift and maneuver; Affordable for occasional users
Cons: Limited capacity may require frequent refills
6. UWS 4 Gallon Portable Diesel Tank: Compact Choice
UWS delivers a very compact 4‑gallon tank that can be stored in small compartments or vehicle trunks. The high‑density polyethylene material resists chemicals and impact.
The downside is a modest pump flow of 1.3 gallons per minute, which can extend refueling time for larger engines. If speed is a priority, consider a larger tank with a higher flow pump.
- Compact size fits tight spaces
- Integrated spill guard
- Easy‑snap pump handle
Pros: Very portable for on‑the‑go fueling; Spill guard adds safety
Cons: Low flow rate limits rapid fueling
7. Mannol 6 Gallon Diesel Tank with Pump: Adequate Option
Mannol offers a straightforward 6‑gallon tank with a push‑button pump that is easy to operate. The reinforced plastic body keeps the unit light and affordable.
Long‑term exposure to UV light can cause the plastic to become brittle, reducing durability. Users who need a long‑lasting solution in harsh outdoor conditions may want to look at metal‑based alternatives.
- Reinforced plastic resists dents
- Simple push‑button pump
- Clear gauge window
Pros: Straightforward operation; Reasonable price point
Cons: Plastic may become brittle over time
Frequently Asked Questions
What safety certifications should I look for in a portable diesel tank with pump?
Look for UL, FM or CE certifications, which indicate the tank meets recognized fire‑resistance and impact standards.
Can I use these tanks for gasoline as well as diesel?
Most manufacturers label them for diesel only because of the pump’s material compatibility, but some models are rated for both fuels. Check the spec sheet.
How do I prevent spills when transferring fuel?
Use a tank with an integrated shut‑off valve or spill guard, and always place the tank on a level surface before pumping.
What is the typical lifespan of a portable diesel tank?
With proper care, steel tanks can last 10 years or more, while plastic tanks may need replacement after 5‑7 years depending on UV exposure.
Do I need a separate hose for these pumps?
Most units include a hose sized for the pump, but if you need a longer reach, purchase a compatible extension hose approved for diesel.
Our Verdict
Our top pick is the Smittybilt 1200L Diesel Fuel Transfer Pump for its unmatched performance and durability. The B&T 5000 Portable Diesel Fuel Tank earns runner‑up status thanks to its strong flow and lightweight design.