Answering the needs of riders and small-equipment operators, vertical auxiliary fuel tanks store extra fuel in a compact, upright design. These tanks are best for long rides, remote work sites, or any scenario where refueling opportunities are scarce. The top picks below are chosen for varied capacities, durability, and mounting practicality, so you can pick the best fit for your setup.
| Product | Estimated Capacity | Best For | Key Benefit |
|---|---|---|---|
| MOTO4U Auxiliary Gas Tank (2L) | 2 Liters | Motorcycles and small bikes needing quick refuel at roadside | Compact, versatile, includes hose and cut-off valve |
| MOTO4U Auxiliary Gas Tank (1L) | 1 Liter | Lightweight setups and tight mounts | Lightweight kit with lid and air outlet |
| RDS MFG INC 72118 Vertical Transfer Tank | 90 Gallons | Industrial or fleet use with large capacity | Rust-resistant aluminum, large capacity |
| RDS MFG INC 71083 Rectangular Tank | 45 Gallons | Medium-duty auxiliary fueling | Fully welded seams for durability |
| JSD 0.58 Gallon Vertical Tank | 0.58 Gallons | Compact installations, garage or shop use | Easy mounting with brackets, solid value |
MOTO4U 2L Auxiliary Fuel Tank
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The MOTO4U 2L auxiliary tank is a compact, all-in-one kit designed for motorcycles or small utility bikes. It includes a fuel hose and a cut-off valve for simple integration and safer fuel management. This option is best for riders who need extra range without adding bulk.
Best for: riders who prioritize portability and quick, at-hand refueling. Consider this when you ride solo on shorter trips where extra capacity is a premium but space is limited.
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MOTO4U 1L Auxiliary Fuel Tank
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The MOTO4U 1L auxiliary tank suits lighter configurations and tight mounting spaces. It includes a lid with an air outlet, enabling safer venting and a neater installation. Choose this when you need minimal added weight and a compact profile.
Best for: smaller bikes or garages with space constraints. A caution: smaller capacity means more frequent refilling on longer rides.
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RDS MFG INC 72118 Vertical Transfer Tank
This 90-gallon vertical transfer tank from RDS MFG INC is built for high-capacity needs. Made from rust-resistant aluminum, it supports gasoline fueling via an electric pump and is designed for prolonged use in demanding environments. It is best for workshops, fleets, or off-road operations requiring substantial fuel storage.
Best for: users needing large on-site fuel storage and reliable durability. Limitation: the large size is not suitable for lightweight motorcycles or compact vehicles.
RDS MFG INC 71083 Rectangular Tank
This 45-gallon rectangular auxiliary tank emphasizes durability with fully welded seams. It supports gasoline fueling via an electric siphon and is well-suited for mid-range fuel storage needs. Its rectangular shape can help maximize mounting space on certain chassis.
Best for: users who want a sturdy mid-size option with strong welded construction. Caution: capacity is mid-range; ensure mounting space matches the shape.
JSD 0.58 Gallon Vertical Gas Tank
The JSD 0.58-gallon vertical tank is a compact option intended for garage or shop use. It offers easy mounting with two powder-coated black steel brackets, and it is designed to deliver reliable small-quantity fueling. It is best for DIY setups and light-duty applications.
Best for: easy integration in compact spaces and cost-focused projects. Limitation: small capacity may require frequent refill in ongoing operations.
Buying Guide: Vertical Auxiliary Fuel Tanks
What capacity do you need? For motorcycles and light vehicles, smaller tanks (0.5–2 liters) are ideal for space savings and quick top-offs. For fleets or off-grid work sites, larger capacities (tens of gallons or more) support longer intervals between refueling. Consider where the tank will mount and how much weight it adds to the vehicle.
What material should you choose? Aluminum tanks resist rust and are durable in challenging environments, which is important for long-term reliability. Fully welded seams improve durability, especially for medium-to-large tanks used in continuous operation.
What accessories matter? Look for kits that include fuel hose and a shut-off valve for safe operation. An air outlet or vent can help prevent pressure build-up during fueling. Ensure compatibility with your fuel pump, if using an electric system.
Mounting compatibility is key. Check whether the tank’s shape (round vs. rectangular) and bracket system fit your vehicle frame or workshop layout. Some tanks are designed for quick mounting on motorcycles, while others target industrial trailers or fleet equipment.
Installation complexity and maintenance should influence your choice. Simpler assemblies with clear mounting instructions tend to reduce installation time and future repairs. Consider how easy it is to replace hoses or seals as part of routine maintenance.
Frequently Asked Questions
- What is a vertical auxiliary fuel tank? A vertical auxiliary fuel tank stores extra fuel in an upright configuration to maximize space and ease of access on vehicles or equipment.
- Who should buy a vertical auxiliary fuel tank? Riders needing extra range, fleet operators with long-route requirements, and workshop setups requiring on-site fuel storage.
- Are aluminum tanks better than steel? Aluminum is typically more rust-resistant and lighter, which can be advantageous for durability and mounting ease in outdoor environments.
- Can I mount these myself? Many units are designed for straightforward mounting with brackets; however, check your vehicle’s specifications and local regulations before installing.
- What maintenance is needed? Regularly inspect hoses, valves, and seals for leaks. Clean any sediment and ensure vents are clear to prevent pressure issues.
- Is a small tank enough for long trips? It depends on your fuel consumption and trip duration. For extended journeys, pair a small tank with frequent fueling stops or a larger-capacity unit.