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UWS










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Always the correct part
We know our products
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Warranty: Limited Lifetime Warranty (One-Year Finish, One-Year Parts)
Finish: BRIGHT ALUMINUM
Material: Aluminum
Part Type: TRANSFER TANK
The hammerhead-style transfer tank is engineered to be the universal transfer tank for all full-size trucks. It features a unique narrowed base that fits between the wheel wells in the truck bed, even on short-bed pickup trucks (verify fitment using the product dimensions). This innovative transfer tank is ideal for safely and effectively transporting diesel and other non-flammable liquids. It is constructed with heavy-duty .125" thick aluminum alloy and has a bright aluminum finish. The hammerhead-style transfer tank is also equipped with a lockable, vented cap that allows for easy filling and provides extra security when your truck is left unattended. It comes with internal baffles to promote a smooth flow of liquids and to help prevent sloshing. Finally, to easily drain the tank whenever necessary, a drain plug is integrated into the base. This hammerhead-style transfer tank is a tool box transfer tank combo, featuring an integrated truck tool box for secure, convenient storage of your tools and equipment. The truck tool box is constructed with extra-thick aluminum, a RigidCore foam-filled lid for maximum strength and stainless steel locking handles for dependable security. NOTE: Will not fit short-bed trucks with a gooseneck hitch installed (75-gallon transfer tank recommended). The hammerhead-style transfer tank is engineered to be the universal transfer tank for all full-size trucks. It features a unique narrowed base that fits between the wheel wells in the truck bed, even on short-bed pickup trucks (verify fitment using the product dimensions). This innovative transfer tank is ideal for safely and effectively transporting diesel and other non-flammable liquids. It is constructed with heavy-duty .125" thick aluminum alloy and has a bright aluminum finish. The hammerhead-style transfer tank is also equipped with a lockable, vented cap that allows for easy filling and provides extra security when your truck is left unattended. It comes with internal baffles to promote a smooth fl ow of liquids and to help prevent sloshing. Finally, to easily drain the tank whenever necessary, a drain plug is integrated into the base. This hammerhead-style transfer tank is a tool box transfer tank combo, featuring an integrated truck tool box for secure, convenient storage of your tools and equipment. The truck tool box is constructed with extra-thick aluminum, a RigidCore foam-filled lid for maximum strength and stainless steel locking handles for dependable security. NOTE: Will not fit short-bed trucks with a gooseneck hitch installed (75-gallon transfer tank recommended).

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 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 flammable fuels such as gasoline and should never be connected to a vehicle's fuel system or used as an auxiliary fuel tank. Do not use it for storing or transporting explosives, hazardous materials, propane tanks, acetylene tanks, cutting torches or other hazardous waste.
The manual does not specify which truck bed styles or vehicle models are compatible with this tank. Contact CURT Group at 877.287.8634 or consult your dealer to confirm fitment for your specific vehicle before purchasing.
You will need a drill, 3/8" drill bit, ratchet, socket set, tape measure and marker. You must also purchase your own hardware: hex bolts, flat washers, lock washers and nuts for each mounting hole.
You must purchase an automatic shut-off nozzle (not provided) and a fuel filter (not provided). You must also purchase all mounting hardware: hex bolts, flat washers, lock washers and nuts. If your truck bed floor has ribs and any mounting holes fall between them, you will need spacers.
Before drilling into your truck bed, check underneath your vehicle to ensure the drill location does not puncture, cut or obstruct any brake lines, fuel lines, electrical wires or fuel tanks. Take precaution that all fasteners near the fuel tank do not create the possibility of fuel tank puncture or other damage during a collision.
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. Use the mounting brackets as a guide to mark the hole locations.
Drill 3/8" holes in the marked locations where the mounting brackets align with the truck bed floor.
No. Do not cut, weld or drill into the tank. Doing so could result in serious injury or death.
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.
If any holes fall between the ribs on the truck bed floor, spacers will be required between the floor and mounting bracket for proper installation. You must purchase these spacers separately.
Before securing the tank to the truck bed, ensure the tank is level. This should be checked after aligning the drilled holes with the mounting brackets and before tightening the fasteners.
M6 bolts should be torqued to 3 ft-lbs. M8 bolts should be torqued to 7 ft-lbs. These are general guidelines; if purchasing hardware, use the torque specifications provided with that hardware.
1/4" bolts should be torqued to 3 ft-lbs. 5/16" bolts should be torqued to 7 ft-lbs. These are general guidelines; if purchasing hardware, use the torque specifications provided with that hardware.
3/8" bolts should be torqued to 16 ft-lbs. 7/16" bolts should be torqued to 20 ft-lbs. These are general guidelines; if purchasing hardware, use the torque specifications provided with that hardware.
1/2" bolts should be torqued to 28 ft-lbs. This is a general guideline; if purchasing hardware, use the torque specifications provided with that hardware.
The transfer tank and pump must be grounded to avoid static charge. Static build-up can result in explosion.
No. Do not pressurize the tank.
Yes. Tank must be vented at all times. Remove vent cap with caution.
No. The tank is for private use only and is not intended to be used commercially.
Tank must be lifted only when empty.
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 before every trip. 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.
For polished, gloss and other smooth finishes, polish may be used to clear small scratches and scuffs. Mild automotive detergent may be used to clean the product. Do not use dish detergent, abrasive cleaners, abrasive pads, wire brushes or other similar products that may damage the finish.
The tank is not compatible with diesel exhaust fluid (DEF) or other corrosive materials. Do not use it for storing or transporting flammables, explosives, hazardous materials or hazardous waste.
Yes. Treat or seal all fasteners and exposed metal in any holes drilled in the vehicle to prevent corrosion.
The manual does not specify compatible vehicle models or truck bed styles. Contact CURT Group at 877.287.8634 or your dealer to confirm fitment before purchasing.
You must purchase hex bolts, flat washers, lock washers, nuts, an automatic shut-off nozzle, and a fuel filter. If your truck bed has ribs, you may also need spacers.
Yes. You must drill 3/8" holes in the truck bed floor to mount the tank. Before drilling, check underneath your vehicle to ensure you do not puncture brake lines, fuel lines, electrical wires or fuel tanks.
Use the torque specifications provided with your purchased hardware. General guidelines: 1/4" bolts 3 ft-lbs, 5/16" bolts 7 ft-lbs, 3/8" bolts 16 ft-lbs, 7/16" bolts 20 ft-lbs, 1/2" bolts 28 ft-lbs. Do not over tighten.
No. The tank is DOT-compliant for Class 3 combustible fuels (diesel) only. It is not approved for gasoline and must never be connected to a vehicle's fuel system or used as an auxiliary fuel tank.
The transfer tank and pump must be grounded to avoid static charge, which can result in explosion. The manual does not specify the grounding procedure or connection point.
Periodically re-tighten and inspect all mounting hardware for signs of wear, corrosion and fatigue. Ensure all bolts, screws, straps and locks are firmly secured before every trip.
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