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UWS






Always the correct part
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Always the correct part
We know our products
Quality Products
Free Shipping!
Free Shipping
Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Finish: GLOSS BLACK POWDER COAT
Material: Aluminum
Part Type: TRANSFER TANK
UWS transfer tanks offer the perfect solution for transporting chemicals, solutions and other non-flammable liquids to your next jobsite. Each tank features corrosion-resistant aluminum construction, a commercial-grade ventilation cap and an optimal fit and capacity to suit your truck and lifestyle. The heavy-duty .125" thick aluminum alloy construction provides the tank with structural strength, while keeping it lightweight and resilient to corrosion. The commercial-grade vented cap allows for proper ventilation of the liquid contents, and the tank is also equipped with commercial-grade mounting flanges for maximum strength in the truck bed. UWS transfer tanks are available in multiple sizes to accommodate any job. Like all UWS truck tool boxes, this product is proudly assembled right here in the USA for style and long-lasting dependability. NOTE: This tank is DOT-compliant for transporting Class 3 combustible fuels only, such as diesel.

UWS designs and builds heavy-duty truck tool boxes and storage for tradespeople and truck owners. The line covers crossover and side-mount boxes, chest boxes, underbody boxes, transfer tanks and dog boxes. Every aluminum box is designed, fabricated and welded in Perry, Florida, with construction aimed at job-site abuse, road vibration and daily use.
UWS is a leading manufacturer and designer of truck tool boxes and truck accessories, and a Lippert brand. The company's focus is narrow and deliberate: storage that stands up to being opened and slammed shut dozens of times a day, loaded past what looks reasonable, and left outdoors in whatever weather the job brings. Its customers are electricians, plumbers, contractors, farmers, outdoorsmen and truck owners who treat a pickup as a working tool rather than transport.
The catalog covers the full range of bed storage. Crossover boxes sit across the bed behind the cab in single-lid, gull-wing, secure-lock and low-profile styles, so there is a fit whether the priority is capacity, rear visibility or working under a tonneau. Side-mount boxes mount along the bed rails and keep the bed floor free for cargo, while underbody boxes tuck beneath the frame rails of service bodies and flatbeds.
Beyond the bed, UWS makes portable chest boxes that move between vehicles and the shop, transfer tanks and combination tank-and-toolbox units for crews working away from fuel supply, and insulated, ventilated dog boxes for hunters and handlers.
Manufacturing sits at the centre of the brand's identity. Every UWS aluminum tool box is designed, fabricated and welded in Perry, Florida, by tradespeople with decades of experience, and the company's Rooted in Trades initiative is built around that connection to skilled manual work. Boxes use heavy-gauge aluminum, continuous welds at the seams, weather stripping to seal against rain and dust, and locking systems intended to resist tampering. The practical result is storage that keeps tools dry, organized and where they were left.
Experts available to answer your questions
Call 888-634-9494Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
UWS | Tough. Reliable.
The package includes one transfer tank, one filler neck and cap, one 3/8" drain plug, and one key (supplied only with combo models). Hardware such as bolts, washers, nuts and any required spacers must be purchased separately.
The tank is DOT-compliant for transporting Class 3 combustible fuels only, such as diesel. It is not approved for transportation of flammable fuels such as gasoline and should never be connected to a vehicle's fuel system or used as an auxiliary fuel tank.
No. The tank is not approved for transportation of flammable fuels such as gasoline. It is DOT-compliant for Class 3 combustible fuels (diesel) only and should never be used as an auxiliary fuel tank or connected to a vehicle's fuel system.
Use mild automotive detergent to clean the tank. Do not use dish detergent, abrasive cleaners, abrasive pads, wire brushes or similar products that may damage the finish. For polished, gloss and other smooth finishes, polish may be used to clear small scratches and scuffs.
Spacers may be required if any of the drilled mounting holes fall between the ribs on the truck bed floor. If your truck bed has ribs in the mounting locations, spacers will be needed between the floor and mounting bracket for proper installation. Check during Step 2 when aligning the drilled holes with the mounting brackets.
You will need: a drill, 3/8" drill bit, ratchet, socket set, tape measure, and marker. The manual notes that proper tools will improve the quality of installation and reduce the time required.
Hardware is not included and must be purchased separately. For each mounting hole you will need one hex bolt, two flat washers, one lock washer, and one nut. The manual provides torque specifications for various bolt sizes: 1/4" bolts at 3 ft-lbs., 5/16" bolts at 7 ft-lbs., 3/8" bolts at 16 ft-lbs., 7/16" bolts at 20 ft-lbs., and 1/2" bolts at 28 ft-lbs. If purchasing hardware, use the torque specifications provided with that hardware.
Yes. You must use an automatic shut-off nozzle, which is not provided with the tank. This is a required component for safe operation.
Yes. A fuel filter must be used with the transfer tank. This is listed as a required component in the NOTICE section.
Before drilling, check under your vehicle to ensure the drill location does not puncture, cut or obstruct any brake or fuel fluid lines, electrical wires, fuel tanks, or other components. Precaution must be taken that all fasteners near the fuel tank do not create the possibility of fuel tank puncture or other damage during a collision. This is a critical safety step that must be completed before beginning installation.
Yes. Before you begin installation, read all instructions thoroughly. Proper tools will improve the quality of installation and reduce the time required. This preparation helps prevent damage to the product or vehicle.
Drill 3/8" holes in the marked locations on the truck bed floor. Use the mounting brackets as a guide to mark the hole locations before drilling.
No. Do not cut, weld or drill into the tank. Doing so could result in serious injury or death due to the danger of explosion.
Yes. Treat or seal all fasteners and exposed metal in any holes drilled in the vehicle to prevent corrosion. This protects your vehicle from rust and extends the life of the installation.
The torque specification for 3/8" bolts is 16 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for 1/2" bolts is 28 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for 1/4" bolts is 3 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for 5/16" bolts is 7 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for 7/16" bolts is 20 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for M6 bolts is 3 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for M8 bolts is 7 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for M10 bolts is 16 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The torque specification for M12 bolts is 28 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
Push the tank up to the truck cab and center it side-to-side. Make sure the tank is fully supported by the truck bed floor before marking and drilling mounting holes.
Secure the mounting brackets to the truck bed with a hex bolt, two flat washers, one lock washer and one nut in each hole. Do not over tighten the hardware. Ensure the tank is level before securing.
Attach the filler neck and cap after securing the mounting brackets to the truck bed. The manual does not provide detailed assembly instructions for this component; consult your dealer if you have questions regarding this step.
Tank must be vented at all times. Remove vent cap with caution. Proper venting is essential for safe operation of the tank.
Make sure the transfer tank and pump are grounded to avoid static charge. Static build-up can result in explosion. Proper grounding is a critical safety requirement.
No. Do not pressurize the tank. This is a critical safety requirement.
No. The tank is for private use only and is not intended to be used commercially.
No. Tank to be lifted only when empty. This prevents injury and damage to the tank.
No. Never exceed the vehicle manufacturer's recommended capacity. This is a critical safety requirement.
No. Do not interfere with factory-installed safety equipment. The tank must be installed in a way that does not obstruct or damage any factory safety systems.
Yes. This product can reduce the driver's ability to clearly see roadways, vehicular or pedestrian traffic and other objects through the rear and side windows of the vehicle, which may cause an accident. Extra precaution should be taken when driving a vehicle with this product.
Ensure all knobs, bolts, screws, straps and locks are firmly secured. Periodically re-tighten and inspect all components for signs of wear, corrosion and fatigue. With the transfer tank installed, periodic inspections should be performed to ensure all mounting hardware remains tight.
Periodically re-tighten and inspect all components for signs of wear, corrosion and fatigue. The manual does not specify exact intervals; consult your dealer for specific maintenance schedules.
No. Tank not compatible with diesel exhaust fluid (DEF) or other corrosive materials. Use the tank only for Class 3 combustible fuels such as diesel.
You must purchase hex bolts, flat washers, lock washers, and nuts for each mounting hole. Spacers may also be required if holes fall between truck bed ribs. An automatic shut-off nozzle and fuel filter are also required.
Yes. You must drill 3/8" holes in the truck bed floor using the mounting brackets as a guide. Before drilling, check under your vehicle to ensure you do not puncture brake lines, fuel lines, electrical wires or fuel tanks.
Torque depends on bolt size: 1/4" at 3 ft-lbs., 5/16" at 7 ft-lbs., 3/8" at 16 ft-lbs., 7/16" at 20 ft-lbs., 1/2" at 28 ft-lbs. Do not over tighten. If purchasing hardware, use the torque specifications provided with that hardware.
DOT-compliant Class 3 combustible fuels only, such as diesel. Not approved for gasoline or as an auxiliary fuel tank. Must use automatic shut-off nozzle and fuel filter.
Periodically re-tighten and inspect all mounting hardware for signs of wear, corrosion and fatigue. Treat or seal all drilled holes to prevent corrosion. Clean with mild automotive detergent only; do not use abrasive cleaners or wire brushes.
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