Sylvie Willis
The Kenworth W900 is a powerful truck with a fuel system that employs a dual draw, dual-return mechanism. This system features a T-shaped suction side and a special valve on the return side, designed to evenly distribute fuel between the two tanks. The fuel tanks are made of high-strength aluminium, ensuring durability and an aerodynamic profile for improved fuel efficiency. Kenworth W900 fuel tanks are available in various sizes, ranging from 45 to 150 gallons, and can be purchased as aftermarket or OEM parts. With a focus on functionality and reliability, these fuel tanks are a testament to Kenworth's commitment to performance and longevity.
| Characteristics | Values |
|---|---|
| Brand | Kenworth |
| Model | W900 |
| Fuel Tank Sending Unit | Matches the fit and function of the original unit |
| Construction | Durable, made from high-quality materials (aluminium) |
| Fuel System | Dual draw dual return system |
| Tank Capacity | 50-150 gallons |
| Tank Shape | Cylinder |
| Tank Dimensions | Length: 49-74", Height: 24.5-25", Diameter: 22-24.5" |
| Tank Side | Passenger side |
| Tank Fill | Rear fill, centre fill |
| Tank Compatibility | Fits Kenworth T800, W900A, W900B, W900L, W900 AeroCab, W900S models |
| Tank Condition | New, used, or rebuilt |
| Tank Price | $182.99 - $205.99 |
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What You'll Learn
Fuel tank sending unit
The Kenworth W900 fuel tank sending unit is an important component of the fuel system, ensuring the efficient and reliable performance of the vehicle. This sending unit is designed to match the original unit in terms of fit and functionality. It is a direct replacement for the original part and is engineered for durability, utilising quality materials to ensure a long service life.
The fuel tank sending unit plays a crucial role in monitoring the fuel level in the Kenworth W900's fuel tanks. It provides accurate fuel level readings, allowing drivers to keep a close eye on their fuel reserves and plan refuelling stops accordingly. This is especially important for long-haul trips, where maximising fuel efficiency and minimising downtime are critical for professional drivers.
One of the key advantages of the Kenworth W900 fuel tank sending unit is its compatibility. It is designed to seamlessly fit the specified applications, ensuring a hassle-free installation process. This unit is also known for its durability, constructed with high-quality materials that withstand the demands of long-distance hauling. The sending unit's reliability helps prevent unexpected breakdowns due to fuel gauge malfunctions, enhancing the overall dependability of the vehicle.
The sending unit operates in conjunction with the fuel gauge to provide precise fuel level measurements. It uses a rotating float arm and resistance cards to determine the amount of fuel in the tank. This mechanism ensures that the gauge pointer accurately reflects the fuel level, even when the vehicle is in motion or when fuel slosh occurs. The sending unit's functionality is vital in preventing incidents of running out of fuel, which can cause significant disruptions during long-haul journeys.
Additionally, the Kenworth W900 fuel tank sending unit can be customised to match specific requirements. Aftermarket options, such as the floatless fuel sending unit, offer unique benefits. This innovative design features a tubular structure that eliminates side-to-side motion and reduces erratic pointer movements caused by fuel slosh. The floatless sending unit is compatible with various fluids, including gasoline, diesel, and oils, providing versatility and adaptability to different vehicle needs.
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Dual draw dual return system
The Kenworth W900 fuel tank features a dual draw dual return system. This system is designed to draw fuel from both tanks and return it to both tanks equally. On the suction side, the system has a "T" shape, and on the return side, there is a special valve manufactured by GT Industries. This valve is meant to distribute the fuel equally between the two tanks.
However, it is a common issue that this valve malfunctions, causing all the fuel to be returned to just one tank. This results in one tank being full while the other is empty. Although fixing this issue is inexpensive, accessing the valve to perform the repair is challenging.
The dual draw dual return system does not have a crossover line. Instead, the return line uses barometric pressure to send fuel to the tank with the lowest level. This means that if the pickup tube is on the driver's side, the return line will send fuel to the passenger side tank if it has a lower level.
The Kenworth W900's dual draw dual return fuel system offers a unique approach to fuel management, but it is important to monitor the valve's functionality to avoid potential issues with fuel distribution.
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Kenworth W900 fuel tank capacity
The Kenworth W900 is a large truck with a powerful engine and a range of fuel tank capacities to match. The fuel tank capacity of a Kenworth W900 can vary depending on the model year and the specific configuration of the truck. For example, a 2004 Kenworth W900 fuel tank and hydraulic tank on the passenger side have a capacity of 100 gallons, while a 2019 model of the same truck has a capacity of 150 gallons.
The fuel system in the Kenworth W900 is designed with a dual-draw, dual-return system, which includes a T on the suction side and a special valve on the return side. This system is intended to draw fuel from both tanks and return it to both tanks evenly. However, if the valve fails, it can result in an imbalance, with one tank being full and the other empty.
Kenworth W900 fuel tanks are made from high-strength aluminum and are available in multiple sizes to accommodate different needs and haul lengths. The tanks are designed to be durable and reliable, ensuring safe fuel storage and efficient usage.
Some specific examples of Kenworth W900 fuel tank capacities include the 150-gallon tank with a 24.5-inch diameter and 74-inch length, and the 100-gallon tank with a 24.5-inch diameter and 50-inch length. There are also larger options, such as the 150-gallon tank with a length of 73.5 inches and a diameter of 24.5 inches. Additionally, a center-fill 56-gallon fuel tank was available for the 1996 Kenworth W900S model, measuring 22 inches in diameter and 34 inches weld-to-weld.
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Fuel tank replacement
Replacing the fuel tank of a Kenworth W900 is a big job and should not be taken lightly. Before you begin, make sure you have the necessary equipment, including car jacks, a spanner set, a wrench set, hose clamps, and a fuel can. It is also important to work in a well-ventilated area due to the dangers associated with fuel fumes and the risk of ignition. Have a fire extinguisher (Class B) nearby for safety.
First, drain the fuel tank completely and store the fuel in a safe container. Next, disconnect the fuel pump wiring and hoses under the rear seat to improve visibility and access. Then, remove the metal straps held in place by metal bolts, and slowly lower the tank with a floor jack. Once the tank is lowered, disconnect everything as it becomes accessible.
When reinstalling the new tank, ensure that all parts are in good condition, especially the fuel line clips, tank straps, and bolts. Rusty components should not be put back on the car as they can cause corrosion on the new tank. Instead, invest in new gear for your fuel system.
Finally, go through the removal steps in reverse to ensure that all lines are in place, and fill the tank with the appropriate fuel. Inspect the tank for any drips or leaks, and ensure the car is ready to go.
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Fuel tank brands
Fuel tanks are containers used to store ignitable fluids, such as automotive petroleum, diesel fuel, and natural gas. They are a critical component of the engine system, supplying fuel to the motor and determining the vehicle's effective range of travel and fuel efficiency. Given their importance, it is essential to choose a reliable fuel tank brand that offers quality, durability, and safety. Here are some reputable fuel tank brands to consider:
- Dorman – HD Solutions: This brand is trusted by many Advance Auto Parts customers for their Kenworth W900 trucks. They offer fuel tanks that are designed to match the original fit and function, ensuring a seamless installation and reliable performance.
- AlumiTank: Specializing in aluminum fuel tanks, AlumiTank offers a range of products made from high-strength aluminum. Their fuel tanks are available in multiple sizes, allowing customers to choose the capacity that suits their needs, including long hauls.
- Fuel Total Systems: Headquartered in Kentucky, United States, Fuel Total Systems has a long history dating back to 1872 in Japan. They have adapted to technological advancements and are known for their innovative fuel tank designs. The company has a strong presence in the fuel tank manufacturing market and continues to expand its operations globally.
- YAPP Automotive Systems: YAPP, based in Yangzhou, China, is a leading manufacturer of plastic fuel tanks for the automotive industry. They supply to major car brands such as GM, Ford, Volkswagen, Renault, Toyota, and Honda. YAPP USA Holding is their subsidiary, showcasing their global reach and influence in the market.
- Textron: Founded in 1923, Textron is a well-established manufacturing company with subsidiaries such as Arctic Cat, Bell Textron, Textron Aviation, and Lycoming Engines. They have a strong presence in the fuel tank market and are known for their expertise and quality.
- Other notable fuel tank manufacturers include Plastic Omnium, TI Fluid Systems, Yachiyo, and Magna International. These companies are recognized for their contributions to the fuel tank industry, offering a range of products with advanced technology to meet the diverse needs of vehicle owners.
When choosing a fuel tank brand, it is essential to consider factors such as capacity, design, durability, and safety features. Reputable brands will prioritize leak prevention and the reduction of evaporation emissions, ensuring a safe and efficient fuel storage solution for your vehicle.
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Frequently asked questions
You can buy a Kenworth W900 fuel tank from Advance Auto Parts, HeavyTruckParts.Net, Raney's Truck Parts, and Vanderhaags.
The Kenworth W900 fuel tank is made of high-strength aluminum.
The capacity of the fuel tank varies depending on the model. The 2004 Kenworth W900 fuel tank has a capacity of 100 gallons, while the 2019 model has a capacity of 150 gallons.
The shape of the fuel tank is cylindrical, with dimensions varying depending on the model.
The Kenworth W900 fuel system is called a dual draw dual-return system. It has a T on the suction side and a special valve on the return side made by GT Industries, which returns the fuel equally to both tanks.
