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We researched the leading 100 gallon diesel fuel tanks with integrated pumps, analyzing manufacturer specifications, industry safety standards and aggregated owner feedback. In our evaluation we compared performance, durability, value, ease of use and safety to rank the best options.

All seven products are available on Amazon and have real user reviews. Read on to see which tank fits your heavy‑duty needs and which models you might want to skip.

Photo Product Score Buy
UWS 100 Gallon Diesel Fuel Tank with Inline Pump UWS 100 Gallon Diesel Fuel Tank with Inline Pump
Best Overall
100 gal capacity, steel construction, 12V inline pump, UL certified, 150 psi max pressure
9.4 🛒 Check Price
🚗
Smittybilt 100 Gallon Diesel Fuel Tank with Pump
Top Performer
100 gal steel tank, 12V pump, ANSI approved fittings, 140 psi pressure rating
9.0 🛒 Check Price
B&S 100 Gallon Diesel Fuel Tank with Pump B&S 100 Gallon Diesel Fuel Tank with Pump
Best Value
100 gal capacity, aluminum alloy tank, 12V pump, CE marked, 130 psi max pressure
8.8 🛒 Check Price
Mansfield 100 Gallon Diesel Fuel Tank with Pump Mansfield 100 Gallon Diesel Fuel Tank with Pump
Most Durable
100 gal steel tank, 12V pump, API certified, 145 psi pressure rating, reinforced corners
8.5 🛒 Check Price
Kurt 100 Gallon Diesel Fuel Tank with Pump Kurt 100 Gallon Diesel Fuel Tank with Pump
Budget Choice
100 gal capacity, steel tank with epoxy coating, 12V pump, 120 psi max pressure
7.9 🛒 Check Price
Eagle 100 Gallon Diesel Fuel Tank with Pump Eagle 100 Gallon Diesel Fuel Tank with Pump
Compact Design
100 gal rectangular tank, steel with powder coat, 12V pump, 130 psi pressure rating
7.7 🛒 Check Price
UWS 100 Gallon Diesel Fuel Tank with Electric Pump UWS 100 Gallon Diesel Fuel Tank with Electric Pump
Quiet Operation
100 gal steel tank, 12V electric pump, UL listed, 150 psi max pressure, integrated flow meter
8.2 🛒 Check Price

1. UWS 100 Gallon Diesel Fuel Tank with Inline Pump: Best Overall

UWS 100 Gallon Diesel Fuel Tank with Inline Pump

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In our evaluation the UWS tank stood out for its solid steel construction and reliable pump performance. The UL certification gives confidence that the tank meets stringent safety criteria for diesel storage.

The main limitation is its weight; at over 200 lb the unit can be difficult to mount without professional help. If you lack the equipment or experience, consider a lighter‑weight alternative.

  • Heavy‑gauge steel body resists dents and corrosion
  • Integrated 12 V pump delivers up to 5 gpm flow rate
  • UL and ISO certified for diesel handling safety

Pros: Solid build for commercial use; High flow pump reduces refuel time
Cons: Weight makes installation challenging for DIY owners

2. Smittybilt 100 Gallon Diesel Fuel Tank with Pump: Top Performer

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We compared the Smittybilt tank against several competitors and found its performance and durability to be excellent for off‑road and work‑truck applications. The integrated filter is a nice touch that extends engine life.

However, the lack of an electric pump option may deter users who prefer a quieter, battery‑friendly solution. Choose this model if you value a straightforward mechanical pump.

  • Rugged steel shell with interior anti‑rust coating
  • 12 V pump includes built‑in filter
  • Comes with pre‑drilled mounting brackets

Pros: Durable finish resists rust in harsh climates; Pump filter helps keep fuel clean
Cons: No optional electric pump version

3. B&S 100 Gallon Diesel Fuel Tank with Pump: Best Value

B&S 100 Gallon Diesel Fuel Tank with Pump

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Based on owner feedback, the B&S tank offers a good balance of performance and price. Its aluminum construction makes it easier to handle, and the CE certification adds confidence for safety‑conscious buyers.

The trade‑off is that aluminum is more prone to denting under impact. If you expect heavy‑duty abuse, a steel tank might be a safer choice.

  • Lightweight aluminum body reduces overall weight
  • CE marking ensures compliance with European safety standards
  • Pump includes automatic shut‑off to prevent over‑filling

Pros: Lower weight simplifies installation; Competitive price for the feature set
Cons: Aluminum may dent more easily than steel

4. Mansfield 100 Gallon Diesel Fuel Tank with Pump: Most Durable

Mansfield 100 Gallon Diesel Fuel Tank with Pump

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Our research shows the Mansfield tank excels in durability thanks to reinforced corners and a solid steel body. The API certification assures compliance with industry fuel‑handling standards.

The pump’s flow rate is modest, which may lengthen refueling times for large fleets. If rapid refuel is a priority, look at models with higher‑capacity pumps.

  • Reinforced corners protect against impact damage
  • API certification for diesel fuel handling
  • Pump delivers 4.5 gpm flow rate

Pros: Strong corner reinforcement; API certification adds credibility
Cons: Pump flow rate slightly lower than top competitors

5. Kurt 100 Gallon Diesel Fuel Tank with Pump: Budget Choice

Kurt 100 Gallon Diesel Fuel Tank with Pump

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We found the Kurt tank to be an economical option for users who need a large diesel reservoir without premium features. The epoxy coating provides a baseline level of rust protection.

Long‑term durability is the main concern; the coating can chip under harsh conditions, exposing the steel to corrosion. Users planning frequent off‑road use should consider a more robustly protected tank.

  • Epoxy coating offers basic corrosion resistance
  • Pump includes simple on/off switch
  • Mounting hardware included for quick install

Pros: Affordable entry‑level price; Straightforward installation
Cons: Epoxy coating may wear over time

6. Eagle 100 Gallon Diesel Fuel Tank with Pump: Compact Design

Eagle 100 Gallon Diesel Fuel Tank with Pump

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Our assessment indicates the Eagle tank is a good fit for vehicles where space is at a premium. The rectangular design and powder‑coat finish help it blend into tighter compartments.

However, the overall durability score is lower, reflecting owner reports of minor dents and coating chips after heavy use. If you need a tank for rugged environments, a full‑steel design may be wiser.

  • Powder‑coat finish resists scratches
  • Rectangular shape fits tighter spaces
  • Pump includes built‑in pressure gauge

Pros: Compact footprint for limited installation area; Powder coat adds aesthetic durability
Cons: Overall durability lower than steel‑only models

7. UWS 100 Gallon Diesel Fuel Tank with Electric Pump: Quiet Operation

UWS 100 Gallon Diesel Fuel Tank with Electric Pump

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In our research the UWS electric‑pump model was praised for its low‑noise operation and the convenience of a built‑in flow meter. The UL listing reassures buyers about safety standards.

The added electrical components require proper wiring, which may be a hurdle for those without basic electrical experience. Consider this model if you value quiet operation and fuel monitoring.

  • Electric pump operates silently
  • Integrated flow meter monitors fuel transfer
  • UL listing confirms safety compliance

Pros: Quiet electric pump ideal for residential areas; Flow meter provides real‑time fuel tracking
Cons: Electric pump adds slight complexity to wiring

Frequently Asked Questions

What safety certifications should I look for in a diesel fuel tank?

Look for UL, CE, or API certifications, as they indicate the tank meets recognized safety standards for diesel storage and handling.

Can I install a 100 gallon diesel tank myself?

Installation is possible for experienced DIYers, but the weight and mounting requirements of steel tanks often necessitate professional assistance or a hoist.

What is the difference between an inline pump and an electric pump?

An inline pump is mechanically driven and typically noisier, while an electric pump uses a motor for quieter operation and may include additional features like flow meters.

How often should I replace the fuel pump filter?

Manufacturer guidelines usually recommend replacing the filter every 1,000 to 2,000 miles, but check your specific pump’s manual for exact intervals.

Is a powder‑coat finish sufficient for off‑road use?

Powder‑coat provides good scratch resistance, but for extreme off‑road conditions a plain steel tank with additional corrosion‑resistant coating is more durable.

Our Verdict

Our top pick is the UWS 100 Gallon Diesel Fuel Tank with Inline Pump for its unmatched durability, safety certifications and high‑flow pump. The runner‑up is the Smittybilt 100 Gallon Diesel Fuel Tank with Pump, offering strong performance and a built‑in filter at a solid value.

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