Truck Bed Fuel Tank With Pump: The Complete Guide for American Truck Owners
If you own a pickup truck and need to transport fuel for work, farming, or recreational activities, a truck bed fuel tank with pump is the most practical and efficient solution available. Here is the bottom line: installing a quality fuel tank with a pump in your truck bed allows you to refuel equipment, vehicles, and machinery anywhere without frequent trips to the gas station, saving you time, money, and downtime. Whether you are a contractor running heavy equipment, a farmer fueling tractors, or an off-road enthusiast exploring remote areas, this setup transforms your truck into a mobile fueling station. In this comprehensive guide, we will walk you through everything you need to know—from choosing the right tank and pump to installation, safety, maintenance, and cost considerations—so you can make an informed decision and get the most out of your investment.
Why You Need a Truck Bed Fuel Tank With Pump
A truck bed fuel tank with an integrated pump is not just a convenience—it is a game-changer for anyone who regularly uses fuel-powered equipment. The primary advantage is mobility and independence. Instead of driving back and forth to the fuel station every time your generator, excavator, or ATV runs low, you carry your own fuel supply directly in your truck bed. This is especially valuable on job sites, farms, ranches, or during long-distance travel through areas with limited fuel access.
Another major benefit is cost savings. Buying fuel in bulk from a commercial supplier or filling up at a wholesale station often costs significantly less per gallon than buying from retail gas stations. Over time, the savings can offset the initial investment in the tank and pump system. Additionally, you avoid the hidden costs of lost productivity—time spent driving to get fuel is time you could be working.
A properly equipped truck bed fuel tank also offers versatility. You can use it to refuel your own truck, power portable generators, fill diesel heaters, or even help out fellow workers on site. Many modern tanks come with lockable caps and anti-theft features, giving you peace of mind when the truck is parked on job sites or in public areas.
Types of Truck Bed Fuel Tanks With Pumps
Understanding the different types of tanks available is essential for making the right choice. Not all tanks are created equal, and your specific needs will determine which style works best.
Auxiliary Tanks
Auxiliary tanks are designed to increase your truck's total fuel capacity. They connect directly to your truck's factory fuel system, allowing you to use the extra fuel without manually transferring it. These tanks typically range from 30 to 100 gallons and are ideal for long-haul trucking or extended off-grid trips. They often include electric pumps and automatic switching systems that draw from the auxiliary tank when the main tank runs low.
Transfer Tanks
Transfer tanks are the most common choice for refueling other equipment. They come with a built-in pump and hose, allowing you to dispense fuel into generators, tractors, or other vehicles. Capacities typically range from 50 to 200 gallons. These tanks are constructed from heavy-duty steel or aluminum to withstand rough job site conditions. They often feature a manual or electric pump, a nozzle, and a filter system to keep fuel clean.
Low Profile Tanks
Low profile tanks are designed for truck owners who need to maintain bed clearance. They sit lower in the truck bed, often below the height of the bed rails, so you can still load items on top or fit under overhead obstructions like carports or garages. These tanks typically hold 30 to 50 gallons and are popular among contractors who need both fuel storage and cargo space.
Combo Tank and Toolbox
For those who want to maximize space, a combo tank and toolbox unit is a smart solution. These units feature a fuel tank on one side and a lockable toolbox on the other, giving you storage for tools, chains, straps, and other equipment alongside your fuel supply. Capacities range from 30 to 100 gallons, and they are available in both steel and aluminum construction.
Diesel Carry Tanks
Diesel carry tanks are smaller, portable units typically holding 15 to 50 gallons. They are designed for easy loading and unloading, making them ideal for weekend warriors or small-scale operations. While they may include a pump, many rely on gravity feed or a hand pump for dispensing.
Material Matters: Steel vs. Aluminum
The material of your fuel tank directly affects its durability, weight, and cost. Here is what you need to know.
Steel tanks are the traditional choice. They are extremely durable, resistant to dents and impacts, and generally more affordable than aluminum. However, steel is heavier and susceptible to rust if the protective coating is damaged. Most steel tanks are powder-coated or painted to resist corrosion. For heavy-duty use in construction or agriculture, steel is a reliable workhorse.
Aluminum tanks are lighter and naturally corrosion-resistant. They do not rust, making them ideal for long-term use in humid or coastal environments. Aluminum tanks are more expensive than steel, but they offer better fuel economy because of the reduced weight. They also look more polished and professional, which matters if you use your truck for business and want a clean appearance.
Your choice should balance your budget, the weight you are willing to carry, and the environmental conditions where you operate. If you frequently drive on soft ground or need every pound for payload, aluminum is worth the extra cost.
Pump Types: Electric vs. Manual
The pump is the heart of your fuel transfer system. Choosing the right type determines how fast and easily you can dispense fuel.
Electric Pumps
Electric pumps are the most common choice for truck bed fuel tanks. They are powered by your truck's 12V electrical system and can deliver fuel at rates of 8 to 20 gallons per minute, depending on the model. Electric pumps offer convenience and speed—simply flip a switch or press a button, and fuel flows automatically. Most quality electric pumps include thermal overload protection to prevent overheating during extended use.
Popular electric pump brands include Fill-Rite, Ensurix, and FAITIO. Fill-Rite's FR1204H model, for example, features a durable cast iron housing and is backed by a lifetime warranty on its 1200 series. Ensurix offers complete kits that include hoses, nozzles, and filters, making installation straightforward.
The main drawback of electric pumps is that they require a reliable 12V power source and proper wiring. Improper installation can create fire hazards if wires are not fused or grounded correctly.
Manual Hand Pumps
Manual hand pumps are a cost-effective and portable alternative that requires no electricity. They operate through a simple hand-operated lever that creates suction, pulling fuel from the tank and dispensing it through a hose. Hand pumps are ideal for occasional use, remote locations where battery power is unavailable, or as a backup to an electric pump.
The best hand pumps are made from corrosion-resistant materials like aluminum or stainless steel and feature ergonomic handles to reduce fatigue. They are very safe because there is no risk of electrical sparks. However, they are slower than electric pumps—typically delivering 1 to 5 gallons per minute—and require physical effort, which can be tiring for large transfers.
For anyone who wants a reliable, no-maintenance option for diesel or gasoline, a quality hand pump from a reputable brand like KEMSO is an excellent investment.
How to Choose the Right Size Tank
Selecting the correct tank capacity is critical for both functionality and safety. Here are the key factors to consider.
Your Fueling Needs: Calculate how much fuel you typically consume in a day or week. If you run multiple pieces of equipment, add up their fuel consumption rates and multiply by the hours you operate. A 50-gallon tank is sufficient for most light to medium users, while 100 gallons or more is better for heavy equipment operators or long-distance travel.
Truck Bed Space: Measure your truck bed dimensions carefully. Full-size trucks like Ford F-150, Ram 1500, or Chevy Silverado typically have beds ranging from 5.5 to 8 feet long. Make sure the tank fits without interfering with the tailgate, wheel wells, or any bed accessories you already have.
Weight Considerations: Fuel weighs approximately 7 pounds per gallon for diesel and 6.3 pounds per gallon for gasoline. A 100-gallon tank of diesel adds 700 pounds of fuel weight, plus the weight of the tank itself (50 to 150 pounds for steel, less for aluminum). Check your truck's payload capacity to ensure you do not exceed legal limits. Overloading can cause handling issues, tire failures, and legal penalties.
Local Regulations: Some states and municipalities have restrictions on fuel transport in pickup beds. While it is generally legal in most jurisdictions, you must comply with DOT regulations for fuel containers, especially if you cross state lines or transport fuel for commercial purposes.
Installation Guide for Truck Bed Fuel Tank With Pump
Installing a truck bed fuel tank with a pump is a project you can handle yourself if you have basic mechanical skills, but safety must be your top priority. Here is a step-by-step overview based on industry best practices.
Step 1: Safety First
Before you begin, disconnect the truck's battery to prevent any electrical shorts. Work in a well-ventilated area away from open flames, sparks, or any ignition sources. Wear safety glasses and gloves at all times. Keep a fire extinguisher nearby.
Step 2: Secure Mounting
Place the tank in your truck bed on a rubber mat or isolation pad to reduce vibration and prevent scratches. Many tanks include pre-drilled mounting tabs. Use high-grade bolts, large washers, and locking nuts to secure the tank through the bed floor. Drill holes if necessary, but make sure the tank is level and properly supported. Tighten all bolts to the manufacturer's specified torque.
Step 3: Electrical Connections
If you are using an electric pump, run power wires directly to your truck's battery terminals. Install an in-line fuse as close to the battery as possible to protect against shorts. Use the correct gauge wire as specified by the pump manufacturer—typically 10 or 12 gauge for most 12V pumps. Avoid tapping into existing wiring harnesses, as this can overload circuits and create fire hazards.
Connect the red wire to the positive terminal and the black wire to a clean ground point on the truck's frame. Some pumps include a momentary switch that you can mount in the cab or near the tank for easy control.
Step 4: Fuel Lines and Hoses
Attach the supply hose from the tank to the pump inlet, and the discharge hose from the pump to the nozzle. Use fuel-rated hose clamps and ensure all connections are tight and leak-proof. Do not use Teflon tape on fuel fittings—most modern pumps have dry-seal threads that require no sealant, and using tape can cause pump damage.
Step 5: Grounding
This step is critical for safety. Connect a grounding wire from the fuel tank to the truck's chassis frame. This dissipates static electricity that can build up during fuel transfer and prevents sparks that could ignite fuel vapors. A proper ground is your primary defense against static discharge fires.
Step 6: Testing
Fill the tank with a small amount of fuel—no more than 5 to 10 gallons for initial testing. Run the pump briefly to ensure it primes and dispenses fuel correctly. Check all connections for leaks. If you see any drips, tighten the clamps or fittings immediately. Once you confirm everything works, you can fill the tank to your desired level.
If you are not comfortable with any part of the installation, especially the electrical work, hire a qualified mechanic or auto electrician. Improper wiring is a leading cause of pump failures and fires.
Safety Considerations You Cannot Ignore
Fuel is highly flammable, and handling it requires strict adherence to safety protocols. Here are the most important rules to follow.
No Smoking or Open Flames: Never smoke or use any open flame near the tank, pump, or fueling area. This seems obvious, but it is worth repeating because complacency leads to accidents.
Ventilation: Always transfer fuel outdoors or in a well-ventilated area. Fuel vapors are heavier than air and can accumulate in low spots like truck beds or garages, creating an explosion risk.
Static Electricity: Always ground the tank and pump system. Keep the nozzle in contact with the receiving tank's fill port during transfer to further reduce static buildup. Avoid wearing synthetic clothing that generates static electricity.
Spill Management: Keep an absorbent spill kit in your truck. If you spill fuel, clean it up immediately to prevent fire hazards and environmental damage. Do not use water to clean up fuel spills.
Regular Inspections: Check your tank, pump, hoses, and connections at least once a month for leaks, cracks, or corrosion. Pay special attention to the areas around fittings and welds. Replace any damaged components immediately.
Fuel Type Compatibility: Never put gasoline in a tank designed for diesel, or vice versa, unless the tank is explicitly rated for both. Different fuels have different chemical properties and flash points. Using the wrong fuel type can damage the pump, cause leaks, or lead to explosions.
Maintenance and Care for Long-Term Performance
A well-maintained truck bed fuel tank with pump can last for many years. Follow these simple maintenance steps to keep your system running reliably.
Change the Fuel Filter Regularly: Most pump systems include a filter to remove debris and water from the fuel. Replace the filter according to the manufacturer's schedule, or more often if you use fuel from less-than-clean sources. A clogged filter restricts flow and forces the pump to work harder.
Drain Water and Sediment: Over time, water can condense inside the tank, especially in humid climates. Many tanks have a drain plug at the bottom. Drain a small amount of fuel periodically to check for water or sediment. If you find contamination, drain the tank completely and clean it.
Lubricate Moving Parts: If you have a hand pump, lubricate the handle pivot points and internal mechanism with a light oil according to the manufacturer's instructions. For electric pumps, keep the motor and connections clean and dry.
Store Properly: When the tank is not in use for extended periods, keep it full of fuel to prevent moisture condensation, or drain it completely and store it in a dry, well-ventilated area. Add a fuel stabilizer if storing for more than 30 days.
Inspect Hoses and Nozzles: Hoses can become brittle from UV exposure and fuel chemicals. Replace them at the first sign of cracking or hardening. The nozzle should close tightly to prevent drips and spills.
Cost Breakdown: What to Expect
Understanding the total cost of a truck bed fuel tank with pump helps you budget effectively. Prices vary widely based on material, capacity, and included features.
For a 50-gallon polyethylene tank, expect to pay $500 to $1,000 for the tank alone. A 50-gallon aluminum tank costs $800 to $1,500. For larger 100-gallon tanks, polyethylene runs $800 to $1,800, while aluminum is $1,500 to $2,500.
The pump adds another $150 to $400, depending on quality and flow rate. Installation costs from a professional typically range from $200 to $500. Many owners choose to install the system themselves to save money, but professional installation ensures safety and compliance with regulations.
Total cost for a complete system ranges from $850 to $2,400 for a 50-gallon setup and $1,150 to $3,400 for a 100-gallon setup. While the upfront investment may seem significant, the time and fuel cost savings often pay for the system within one to two years of regular use.
Common Challenges and How to Solve Them
Even well-built systems can encounter issues. Here are common problems and practical solutions.
Fuel Theft: Left unattended on job sites, your fuel tank can be a target. Invest in a tank with a lockable cap and consider installing a locking nozzle or even a fuel alarm system. Some owners also use security cameras or park in well-lit areas.
Leaks: Leaks usually occur at hose connections or around the pump fittings. Regularly inspect all connections and replace worn hoses or clamps immediately. If a leak develops at a weld or seam, the tank may need professional repair or replacement.
Pump Priming Issues: If the pump runs but does not draw fuel, it may have lost its prime. Check that all hoses are properly connected and not kinked. For electric pumps, ensure the pickup tube is submerged in fuel. For hand pumps, make sure the intake tube is fully in the liquid.
Slow Flow Rate: A slow pump is often caused by a clogged filter, a kinked hose, or a partially blocked pickup tube. Clean or replace the filter, straighten hoses, and check the pickup tube for debris.
Regulatory Compliance: Fuel transport laws vary by state and may require placards, permits, or specific tank certifications if you transport fuel for commercial purposes. Check with your local Department of Transportation or equivalent agency to ensure you are compliant.
Why KEMSO Fuel Pumps Are Your Best Choice
When it comes to selecting a fuel pump for your truck bed tank, you need a product that delivers reliability, performance, and long-term value. That is why we strongly recommend KEMSO brand fuel pumps.
KEMSO fuel pumps are engineered for high performance and durability, meeting or exceeding OEM specifications for a wide range of vehicles and equipment. Whether you need a replacement pump for your truck's existing fuel system or a transfer pump for your auxiliary tank, KEMSO offers solutions that fit perfectly and work reliably under demanding conditions.
Every KEMSO fuel pump is built to be an OEM replacement—meaning it matches the original equipment manufacturer's specifications for fit, form, and function. This ensures hassle-free installation and consistent fuel delivery that your engine depends on.
What truly sets KEMSO apart is their lifetime warranty. While most competitors offer limited warranties of one to three years, KEMSO stands behind its products with a lifetime guarantee. This reflects their confidence in the quality and craftsmanship of every pump they manufacture. When you choose KEMSO, you are investing in a product that will serve you for years without the worry of premature failure.
KEMSO serves customers across the United States from their headquarters at 11145 Beltline Road, Houston, TX 77067. Their team is dedicated to providing excellent customer service and technical support.
To explore their full lineup of fuel pumps and find the perfect match for your truck bed fuel tank, visit their website today. Experience the difference that a quality pump makes in fuel transfer speed, reliability, and peace of mind.
Visit KEMSO online: https://www.kemsoracing.com/
Frequently Asked Questions
Is it legal to have a fuel tank in my truck bed?
In most jurisdictions, yes, but you must comply with local and federal regulations. Requirements may include proper labeling, secure mounting, and in some cases, permits for commercial fuel transport.
Can I use my truck bed fuel tank to refuel other vehicles?
Absolutely. That is one of the primary uses. Just make sure the pump and hoses are rated for the fuel type you are transferring.
How much does a truck bed fuel tank with pump weigh when full?
A 100-gallon tank of diesel weighs about 700 pounds for the fuel alone, plus 50 to 150 pounds for the tank. Always check your truck's payload capacity before filling.
Can I use a hand pump instead of an electric pump?
Yes. Hand pumps are ideal for occasional use, remote locations, or as a backup. They require no electricity and are very safe. Manual hand pumps are also more affordable and require minimal maintenance.
Final Thoughts
A truck bed fuel tank with pump is a smart investment for anyone who relies on fuel-powered equipment. It saves time, reduces fuel costs, and gives you the freedom to refuel anywhere, anytime. The key to a successful setup is choosing the right tank size, material, and pump type for your specific needs, then installing and maintaining it safely.
Whether you are a contractor, farmer, rancher, or outdoor enthusiast, having your own mobile fueling station transforms the way you work and play. Start by measuring your truck bed, calculating your fuel needs, and researching reputable brands. When it comes to the pump itself, choose KEMSO for unmatched quality, OEM fit, and a lifetime warranty that protects your investment.
For more information and to browse KEMSO's complete line of fuel pumps, visit https://www.kemsoracing.com/ today. Your truck—and your wallet—will thank you.