Direct answer: for truck owners needing reliable saddle or transfer fuel tanks, these five selections balance capacity, build quality, and mounting compatibility. The best fit varies by truck size, preferred material, and how you plan to mount or transport fuel. This guide highlights five strong choices, outlines who each is best for, and explains why they stand out in a crowded market.
| Product | Capacity | Material | Best For |
|---|---|---|---|
| Weather Guard Transfer Tank L-Shape 90Gal | 90 gal | 12-gauge steel | Full-size trucks with Gull Wing or Saddle Boxes |
| RDS MFG INC Fuel Tank – 60-Gallon | 60 gal | Steel | Versatile fit for various beds; top-fuel siphon use |
| Mytee Products SMC25AR 25 Gallon Aluminum Saddle Mount | 25 gal | Aluminum | Lightweight, mid-size trucks with saddle mounts |
| Mytee Products SMC50A 50 Gallon Aluminum Saddle Mount | 50 gal | Aluminum | Bigger capacity with sturdy saddle frame |
| Weather Guard 360301 110 Gallon Fuel Tank | 110 gal | Steel | High-capacity option with secure mounting |
Weather Guard Transfer Tank L-Shape 90Gal Black, Alloy Steel
Best for large pickups that need substantial capacity with a secure, low-slosh design. This 90-gallon L-shape tank is built from heavy 12-gauge steel, delivering long-term durability for frequent fueling. Interior baffles reduce fluid motion, improving stability during transport. Choose this if you regularly refuel on long routes and require a robust, high-capacity option that fits Gull Wing or Saddle Boxes.
- Pros: Heavy-duty construction, reduced fuel slosh, compatible with large truck boxes
- Limitations: Heavier than aluminum counterparts; may require reinforced mounting
RDS MFG INC Fuel Tank – 60-Gallon
Best for users needing a versatile, mid-range capacity that fits several bed sizes. RDS MFG INC offers a broad lineup, and this 60-gallon model supports gasoline auxiliary fueling via an electric fuel pump from the tank top. It’s suitable for some short beds; measure before ordering to ensure fit. Opt for this when you want flexible installation with straightforward fueling access.
- Pros: Flexible options, top-fueling compatibility
- Limitations: Clearance depends on bed length; verify bed compatibility
Mytee Products SMC25AR 25 Gallon Aluminum Saddle Mount
Best for lighter-weight setups with aluminum construction. The SMC25AR is a compact 25-gallon saddle-mounted tank, designed for compatibility with certain Muncie and OE aftermarket parts. An ideal pick for smaller trucks or applications prioritizing reduced weight without sacrificing saddle-mount compatibility. Consider this if you need a portable solution with easier handling on shorter beds.
- Pros: Aluminum lighter build, compact footprint
- Limitations: Lower capacity may require more frequent refueling
Mytee Products SMC50A 50 Gallon Aluminum Saddle Mount
Best for a balanced combination of capacity and weight in a saddle-mount design. The SMC50A uses an aluminum body with a 50-gallon capacity, featuring three 1-1/4″ NPT ports and built-in diffusers. It comes with brackets and straps for secure mounting. Choose this when you want a sturdy, mid-to-high capacity tank that still keeps weight manageable for towing and handling.
- Pros: Strong modular design, multiple ports for connections
- Limitations: Aluminum may dent more easily than steel in rough use
Weather Guard 360301 110 Gallon Fuel Tank
Best for high-capacity refueling needs in rugged settings. This 110-gallon tank is designed to pair with Weather Guard saddle or cross truck tool boxes and features a plate steel flange for secure mounting. Full-arc welded construction contributes to long-term durability in demanding environments. Opt for this when you require maximum fuel capacity and secure mounting in a heavy-use fleet.
- Pros: High capacity, secure mounting
- Limitations: Heavier and longer install time due to size
Weather Guard Transfer Tank Model L-Shape 90 Gallon
Best for reliable steel construction with a practical 90-gallon capacity. This L-shape tank offers durability, a vented filler cap, and a lockable feature for security. Designed to fit snugly in most full-size trucks with Gull Wing or Saddle Boxes. Choose this if you want a secure, moderately large tank with added safety features.
- Pros: Ventilated cap, security features
- Limitations: Steel refills can require heavier mounting hardware
Buying Guide: Key Purchase Considerations
What capacity do you need? Consider your typical travel distance and refueling frequency. Higher capacities reduce refills but add weight and may require stronger mounts.
What mounting style suits your truck? Saddle mounts, cross boxes, or under-bed kits affect compatibility. Confirm bed length and box dimensions before purchase.
Material matters. Steel offers durability and cost-effectiveness; aluminum saves weight but can dent more easily. Choose based on handling, corrosion, and budget.
Port configuration and accessibility are important. Look for available ports, venting features, and whether the design supports a pump or siphon setup.
Safety and security features should not be overlooked. Vented caps, lockable fillers, and interior baffles help prevent spills and improve transport safety.
Frequently Asked Questions
- What is a saddle tank, and who should use one? A saddle tank is mounted along the side of a truck bed, designed for easy fueling when space is limited. It’s ideal for fleet vehicles or personal trucks that need extra fuel without occupying bed space.
- How do I know if a tank will fit my truck? Measure bed length, box dimensions, and available mounting points. Compare with the tank’s dimensions and mounting kit requirements.
- Are aluminum tanks better than steel? Aluminum tanks reduce weight, improving fuel efficiency and handling. Steel tanks are typically more durable and affordable but heavier.
- Can these tanks be used for gasoline and diesel? Some tanks support gasoline auxiliary fueling; verify the model’s compatibility with the fuel type and your pump setup before purchasing.
- Do these tanks require professional installation? Installation complexity varies by model; some may be a straightforward swap with existing hardware, while others require mounting brackets and seals.