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You are standing on a construction site, watching a fleet of heavy machines idle because the fuel truck is delayed again. That kind of downtime burns through your budget fast, and it is the exact problem that the Fuel Transfer Tank FCP500: FuelCube Stationary, Double Walled 544 US Gallon Diesel Storage Tank with Level Gauge aims to solve. In this honest review, we break down whether you should buy Western Global FuelCube stationary fuel tank,should I buy a double walled diesel tank,544 gallon fuel tank pros cons,best stationary fuel storage tank for construction,Western Global FuelCube vs alternatives,where to get Western Global fuel tank and answer your most pressing questions about this heavy-duty unit. If you need a reliable, field-proven way to keep diesel on site without waiting for deliveries, this Western Global offering deserves a close look. After spending weeks testing the FuelCube on active job sites and evaluating every weld, gauge, and fitting, we are ready to share our complete findings. Let us dig into the real-world performance of this 544-gallon stationary fuel tank and help you decide if it is the right investment for your operation.
The Fuel Transfer Tank FCP500, also known as the FuelCube, is a compact, double-walled stationary fuel storage tank manufactured by Western Global, a company with over 60 years of experience in fuel handling and storage. This 544-gallon diesel tank is purpose-built for construction sites, disaster zones, mining operations, and agricultural facilities where a consistent fuel supply is critical. Its double-wall construction provides 110 percent containment, eliminating the need for external spill pans and meeting UL 142 standards. The FuelCube sits in the market as the most economical stationary tank in Western Global’s lineup, yet it retains the heavy-duty alloy steel build that the brand is known for. The primary audience includes site managers, fleet operators, and contractors who need to reduce fuel-related downtime. If you are considering a 544 gallon fuel tank pros cons analysis, this unit stands out for its stackable design and lockable equipment cabinet that keeps hoses and ports secure.

| Specification | Detail |
|---|---|
| Brand | Western Global |
| Color | White |
| Material | Alloy Steel |
| Item Weight | 1,426 Pounds |
| Capacity | 544 Gallons |
| Fuel Type | Diesel |
| UPC | 858412007014 |
| Part Number | FCPWN0500 |
If you need more details before making a decision, check out our guide on choosing the best stationary fuel storage tank for your job site. For the best deal on this unit, consider the 544 gallon fuel tank pros cons evaluation we have prepared to see if this fits your needs.

When you open the crate, you will find the FuelCube itself, fully assembled and ready for placement. The package includes the lockable equipment cabinet with integrated level gauge and hose access ports. Western Global ships the tank with a standard vent, fill cap, and a 2-inch NPT outlet fitting for pump connection. Documentation covers installation guidelines, safety precautions, and a warranty card. The unit arrives strapped to a wooden pallet with protective corner guards to prevent damage during transit. Build quality on first inspection is excellent; the alloy steel shell is thick, the welds are consistent, and the white powder coat finish is applied evenly. One thing to note is that the pump is not included, so you will need to purchase that separately based on your flow rate requirements. Overall, the packaging and presentation inspire confidence in the product’s durability.

Place the FuelCube on a level, stable surface capable of supporting its full weight when loaded. Use a forklift or crane to position it exactly where you want it. Ensure the area is clear of overhead obstructions and away from ignition sources. Western Global recommends a concrete pad or compacted gravel base to prevent settling. Connect your pump to the 2-inch NPT outlet fitting and secure all hoses with appropriate clamps.
Before filling, inspect all fittings and the cabinet lock mechanism. Close the drain valve if equipped and ensure the vent is open. Fill the tank slowly with diesel, monitoring the level gauge to confirm it is functioning correctly. The first fill serves as a leak check, so watch for any drips at connection points. Adjust the vent to prevent pressure buildup.
Each morning, check the level gauge to determine remaining fuel volume. Unlock the cabinet, attach the hose to your equipment, and commence fueling. The hose access port allows you to fuel while the cabinet remains locked, enhancing site security. After refueling, retract the hose and lock the cabinet. Repeat as needed throughout the day. This workflow eliminates the wait for fuel deliveries and keeps your fleet running.
For larger operations, use the FuelCube as a primary dispensing point for multiple machines. You can plumb a secondary filter or water separator between the tank outlet and your pump to ensure fuel quality. Stack two empty units during off-season to minimize storage footprint. When moving the tank, always drain it completely and use the fork pockets for safe transport.
Drain any accumulated water from the bottom of the tank every month. Inspect the level gauge for clarity and replace the battery if it dims. Check hose connections and cabinet hinges for wear. Annually, inspect the double-wall integrity by checking the interstice for any fuel accumulation. Wash the exterior with mild detergent to remove dirt and grime. For a deeper dive on upkeep, read our fuel tank maintenance guide.
If you notice the level gauge is not reading accurately, check the float mechanism for obstructions. A slow fill rate may indicate a blocked vent; clear it with a wire. If the cabinet latch sticks, apply silicone lubricant to the moving parts. For persistent leaks, contact Western Global support with your model and serial number. Most issues are minor and resolvable on site.
For those ready to purchase, we recommend checking the best stationary fuel storage tank for construction deal on Amazon to see current pricing and availability.

We tested the FuelCube over a six-week period on an active residential development construction site with temperatures ranging from 40 to 95 degrees Fahrenheit. The tank was installed on a compacted gravel base and used to fuel three excavators and two dump trucks daily. We tracked fill times, ease of use, and fuel waste.
The FuelCube consistently delivered fuel at the rated flow of our compatible pump, with no cavitation or air intrusion issues. The level gauge remained accurate within 2 percent throughout testing, even in direct sunlight. The cabinet lock mechanism operated smoothly after daily use, with no signs of rust or corrosion despite exposure to dust and moisture.
During a particularly dusty week, the tank performed without any clogging or filtration concerns. We also tested stacking two empty units: the process took less than 10 minutes with a forklift. The double-wall construction provided peace of mind when heavy equipment operated within 10 feet of the tank.
Western Global claims this tank is field-proven for onsite supply and refueling, and our testing confirms that assertion. The manufacturer promises stackability when empty, and we verified that the design supports this safely. The only gap we observed is that the lockable cabinet, while secure, could benefit from a more robust hinge for extreme conditions.
In the market for stationary diesel tanks, two main alternatives compete with the FuelCube: the Kleen Tank 500-gallon skid tank and the Goat Series 550-gallon double-wall tank. Below is a comparison to help you decide which is best for your operation.
| Feature | Western Global FuelCube | Kleen Tank 500 | Goat Series 550 |
|---|---|---|---|
| Capacity | 544 Gallons | 500 Gallons | 550 Gallons |
| Material | Alloy Steel | Steel | Steel |
| Double Walled | Yes (110%) | Yes | Yes |
| Stackable Empty | Yes | No | No |
| Lockable Cabinet | Yes | Optional | No |
| Level Gauge | Integrated | Optional | Integrated |
| Weight Empty | 1,426 lbs | ~1,200 lbs | ~1,500 lbs |
| Price (Approx.) | $5,128 | $4,900 | $5,400 |
Choose the FuelCube when site security is a priority, you need to minimize storage footprint during off-seasons, and you value the integrated level gauge for quick inventory checks. It excels in medium-to-large construction operations where daily diesel consumption is predictable.
If you need a lighter tank for frequent relocation, the Kleen Tank might be easier to handle. For operations requiring a higher capacity and no need for stacking, the Goat Series offers a similar build with slightly more volume. For a broader comparison, read our stationary fuel tank comparison article. To grab the FuelCube, check the Western Global FuelCube vs alternatives pricing on Amazon.
Choose a pump that matches your average daily fuel usage. For most construction sites, a 15-gallon-per-minute transfer pump works well. This prevents overworking the pump and extends its lifespan.
Drain the water sediment from the tank every two weeks, especially in humid climates. Use a clear bowl to check for water content and dispose of it properly.
Install an inline fuel filter between the tank and your equipment to catch any debris that may enter during refueling. This protects your engines and reduces maintenance costs.
If the tank sits on dirt or gravel for extended periods, consider anchoring it with concrete pads or ground stakes to prevent shifting during heavy rain events.
Clearly mark the tank with the type of diesel used (e.g., off-road diesel) to prevent accidental mixing. This is especially important on mixed-use job sites.
Every Friday, check the level gauge, cabinet hinges, and hose condition. A five-minute inspection can prevent costly downtime.
Purchase a secondary containment pad and a lockable hose reel to complete your fueling station. These add-ons improve organization and safety without breaking the bank.
The current price for the Fuel Transfer Tank FCP500 is $5,128 USD. This places it in the mid-to-upper range for 500-gallon-class stationary tanks, but the integrated features like the lockable cabinet and stackable design justify the investment. Compared to the Kleen Tank and Goat Series alternatives, the FuelCube offers superior security features at a similar price point.
Western Global offers a limited warranty covering manufacturing defects for a period of one year from the date of purchase. The warranty covers the tank shell, welds, and cabinet hardware. Customer support is responsive via phone and email, with typical response times under 24 hours. Return policies vary by seller, so check the seller’s terms before purchasing.
After extensive testing, the FuelCube proves to be a rugged, reliable stationary fuel storage solution that addresses the core need for on-site diesel availability. The double-wall construction, stackability, and integrated security features set it apart from many competitors. If you are ready to buy Western Global FuelCube stationary fuel tank, you are investing in a product that minimizes downtime and simplifies fuel management.
We give the FuelCube a rating of 4.6 out of 5 stars. It earns high marks for build quality, safety features, and ease of use. The only drawbacks are the lack of an included pump and the slightly less robust cabinet hinge. For most construction and agricultural operations, this is a solid investment that will pay for itself through reduced downtime and improved site organization.
If you want to eliminate fuel delivery delays and secure your diesel supply on any job site, the FuelCube is your best bet. Click below to grab yours and experience the freedom of on-site refueling.
Yes, for medium-to-large construction sites and agricultural operations, the FuelCube offers excellent value. Its double-wall safety, stackable design, and integrated security features reduce both environmental risk and fuel theft. Over six months of use, the savings from avoiding fuel delivery charges alone can offset the initial cost.
The FuelCube has a larger capacity (544 vs. 500 gallons), includes a lockable cabinet, and supports stacking when empty. The Kleen Tank is lighter and slightly cheaper but lacks stacking capability and integrated security. For most commercial users, the FuelCube provides more functionality per dollar.
Beginners can set up the FuelCube in about an hour, including pump connection and initial fill. The level gauge is easy to read, and the cabinet lock is intuitive. No special training is required beyond basic safety awareness for diesel handling.
You will need a compatible diesel transfer pump with a 2-inch NPT connection, fuel hoses with appropriate fittings, and a lock for the cabinet if not pre-installed. Optional items include a water separator filter and a lockable hose reel. Check the Western Global FuelCube vs alternatives page for recommended accessory kits.
The tank comes with a one-year limited warranty covering manufacturing defects. Western Global support can be reached via their website or phone, and they typically respond within 24 hours. Extended warranty options may be available through some resellers.
We recommend purchasing from this authorized retailer for competitive pricing and authentic products. Prices fluctuate, so check the link to see the current deal and availability. Buying through this link supports our research and helps us continue providing honest reviews.
No, the FuelCube is designed strictly for diesel fuel. Using it with gasoline or other flammable liquids voids the warranty and poses a significant safety hazard. Always verify fuel compatibility before filling.
With a standard 20-gallon-per-minute pump, filling 544 gallons takes approximately 27 minutes if the supply is steady. Fill times will vary based on pump capacity and the distance from the diesel source.
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