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2018 Kenworth W900 Overview, Reviews, Ratings & Specs

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Cathleen V | October 28, 2025
The 2018 Kenworth W900 is a legendary conventional truck with a rich heritage, first introduced in the mid-20th century. Its iconic long-hood design, available in day cab and multiple sleeper configurations, remains a timeless staple in the trucking industry. While specific trims can vary based on vocational application, the W900 is renowned for its robustness and classic aesthetic. Pricing for a new 2018 model would have ranged significantly based on customization, but typically started from the mid-$100,000s and could easily exceed $200,000. It stands out for its unparalleled curb appeal, driver comfort, and legendary durability, making it a popular choice for owner-operators and fleets prioritizing a premium, traditional rig.
The Good

The 2018 Kenworth W900 excels in its commanding presence and exceptional driver comfort, appealing to the pride of ownership. Practically, it offers robust reliability, powerful performance, and adaptable configurations for diverse hauling needs, ensuring long-term operational value.

The Bad

While immensely capable, potential buyers should be aware of the 2018 Kenworth W900's substantial curb weight, which can impact fuel economy. Its advanced technology might be less integrated than newer models, and the iconic long hood requires careful maneuvering in tight spaces.

2018 Kenworth W900: Quick Overview

  • Engine Options: The 2018 Kenworth W900 was typically powered by PACCAR MX-13 engines, known for their efficiency and torque. Other Cummins ISX15 options were also common, providing robust performance for heavy-duty applications.
  • Horsepower: Horsepower ratings varied significantly based on the chosen engine and vocational configuration, generally ranging from 400 hp to over 600 hp.
  • Fuel Economy: Fuel economy is highly dependent on the specific engine, transmission, rear axle ratio, and the weight and aerodynamics of the load. However, with the PACCAR MX-13, owners could expect competitive figures for its class, often in the range of 5.5-7.5 mpg.
  • 0-60 Times: 0-60 mph times are not a primary metric for heavy-duty trucks like the W900, as they are designed for sustained hauling rather than rapid acceleration. Performance is measured in pulling power and maintaining speed under load.
  • Towing Capacity: The towing capacity of the 2018 Kenworth W900 is substantial, designed for Class 8 applications. It can handle gross combined weights well over 80,000 pounds, often up to 100,000 lbs or more, depending on the specific chassis, axle configurations, and trailer setup.
  • Trim-Level Features: While not structured like a typical consumer vehicle trim levels, the W900 offered extensive customization. Key features often included:
    • Aerodynamic Hood and Fairings: Enhancing efficiency and stability.
    • Spacious Sleeper Cabs: Available in various lengths (e.g., 40-inch, 60-inch, 72-inch, 86-inch) with amenities like beds, storage, and optional entertainment systems for long-haul comfort.
    • Premium Interior Options: Including upgraded seating, enhanced instrumentation, and quality materials for the driver's workspace.
    • Advanced HVAC Systems: Ensuring comfort in diverse climates.
    • Driver-Focused Ergonomics: Designed for ease of operation and reduced fatigue during long shifts.
    • Customizable Lighting and Chrome Packages: Allowing owners to personalize the truck's appearance.
    • Various Axle and Suspension Options: To suit specific hauling requirements and road conditions.

2018 Kenworth W900 Specifications

Vehicle Information
Year 2018
Make Kenworth
Model W900
Trim -
Style -
Type Truck
Category Tractor
Manufacturing Details
Made In United States
Manufacturing City CHILLICOTHE
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating 80001 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 14.9-L L-6 Diesel
Engine Size 14.9L
Engine Cylinders 6
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain 6x4
Additional Features
Anti-Brake System -
Steering Type -
Pricing
Manufacturer Suggested Retail Price (MSRP) -
Invoice Price -
Delivery Charges -

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What Problems Does the 2018 Kenworth W900 Have?

The 2018 Kenworth W900 is built with a reputation for exceptional durability, and as such, widespread, model-year-specific catastrophic failures are not commonly reported. However, like any heavy-duty truck, there are general areas where maintenance and potential issues might arise over time, often related to the specific components chosen by the owner or fleet.

Common Areas of Attention:
  • Emissions Systems: While not unique to the 2018 W900, modern diesel engines are equipped with complex exhaust aftertreatment systems (like Diesel Particulate Filters - DPF, and Selective Catalytic Reduction - SCR) that can require periodic cleaning or maintenance. Issues can arise from clogged filters or sensor malfunctions, leading to reduced performance or check engine lights. Regular maintenance and proper DPF regeneration cycles are crucial.
  • Electrical Systems: Heavy-duty trucks have extensive electrical systems powering numerous components. Over time, issues with wiring harnesses, connectors, alternators, or batteries can occur, especially with aftermarket installations or excessive vibration. Ensuring all connections are clean and secure, and that batteries are well-maintained, is important.
  • Wear and Tear Components: As a workhorse vehicle, components subject to constant stress, such as brakes, suspension parts, clutch (if manual transmission), and driveline components, will eventually require replacement due to normal wear and tear. Proactive inspections and timely replacements are key to preventing larger issues.
  • HVAC Systems: The heating, ventilation, and air conditioning systems in large sleeper cabs are essential for driver comfort but can be complex. Issues can range from refrigerant leaks to fan motor failures or control module problems.
  • Engine Specific Issues: While the PACCAR MX-13 and Cummins ISX15 engines are generally reliable, specific issues can be engine-model dependent and can include things like EGR (Exhaust Gas Recirculation) cooler failures or turbocharger wear, particularly if the engine is consistently operated under heavy load or with inadequate maintenance.

Recalls: Recalls for heavy-duty trucks are typically component-specific rather than model-wide issues. To check for specific recalls affecting a 2018 Kenworth W900, one would need to reference the VIN (Vehicle Identification Number) with the National Highway Traffic Safety Administration (NHTSA) database or Kenworth's customer service. Recalls are usually addressed by manufacturers to correct safety defects.

Long-Term Reliability: The Kenworth W900 is designed for longevity. With consistent adherence to the manufacturer's recommended maintenance schedule, using quality parts, and addressing minor issues promptly, these trucks are known to achieve well over a million miles. The robust chassis and high-quality components contribute significantly to their long-term durability. The most critical factor for long-term reliability is the quality of maintenance performed throughout its service life.

How long will the 2018 Kenworth W900 last?

The 2018 Kenworth W900 is engineered for the long haul, with many units regularly surpassing 1 million miles. Owner data and typical usage patterns for this class of truck suggest that with diligent maintenance, an average mileage of 100,000 to 150,000 miles per year is common. Therefore, a 2018 model could realistically be in service for 7-10 years or more, accumulating well over 700,000 miles. Its long-term durability is a major selling point, with a robust chassis and proven powertrains. Weaknesses over time are generally related to the cumulative effects of wear and tear on components like the engine, transmission, and suspension, rather than inherent design flaws. Proactive maintenance is the key to maximizing its extensive lifespan.

What Technology & Safety Features are Included?

The 2018 Kenworth W900 prioritizes driver functionality and comfort over cutting-edge infotainment or advanced driver-assistance systems typically found in passenger vehicles. While not laden with the latest digital displays, its technology is focused on the operational demands of long-haul trucking.

Built-in Tech and Entertainment: Standard features often include a digital driver information display that provides critical engine and vehicle data. For entertainment, an integrated AM/FM/CD/MP3 stereo system with auxiliary inputs is common. Many trucks come equipped with Bluetooth connectivity for hands-free calling. Higher-spec configurations or optional packages might include premium sound systems, satellite radio capabilities, and even small televisions or entertainment units within the sleeper cab. Navigation systems were often optional or integrated via third-party devices.

Driver-Assistance Features: Advanced driver-assistance systems (ADAS) were not as prevalent or standardized on heavy-duty trucks in 2018 as they are today. However, optional features that could be specified included:
  • Lane Departure Warning (LDW): Alerts the driver when the vehicle begins to drift out of its lane without signaling.
  • Forward Collision Mitigation (FCM) / Automatic Emergency Braking (AEB): Systems designed to detect potential frontal collisions and, in some cases, apply braking to mitigate or avoid an accident.
  • Adaptive Cruise Control (ACC): Maintains a set speed and automatically adjusts it to keep a safe distance from the vehicle ahead.

Visibility is generally good due to the conventional long-hood design, offering a commanding view of the road. Features like powerful halogen or LED headlights and robust side mirrors are standard for nighttime and adverse weather operation.

Safety Features: Safety in the W900 is primarily engineered through its robust construction and operational systems. Standard safety features include anti-lock braking systems (ABS) for enhanced braking control, durable seatbelts, and a strong frame designed to withstand significant forces. Air disc brakes are often an option for superior stopping power.

Crash-Test Ratings: Heavy-duty trucks like the Kenworth W900 are not typically subjected to the same standardized crash-test ratings (like NHTSA's star ratings) as passenger cars and light-duty vehicles. Their design and construction are governed by stringent Federal Motor Vehicle Safety Standards (FMVSS) for commercial vehicles, which focus on structural integrity, occupant protection, and braking performance under heavy load conditions. The W900's heavy-duty frame and advanced braking systems are integral to its safety profile.

What Colors Options are Available?

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2018 Kenworth W900 Prices and Market Value

When new, a 2018 Kenworth W900 could command a wide price range, typically starting from around $150,000 for a basic configuration and easily exceeding $250,000 with extensive customization, premium sleeper options, and powerful engines.

Currently, the used market for a 2018 Kenworth W900 reflects its enduring popularity and robust build. Prices can vary significantly based on mileage, condition, engine specifications, sleeper size, and overall equipment, but expect to see them ranging from approximately $80,000 to $150,000+.

Depreciation for these trucks is generally slower than for consumer vehicles, especially for well-maintained units with lower mileage relative to their potential lifespan. Key factors affecting resale value include the reputation of the engine and transmission, overall cosmetic condition, the presence of desirable options (like larger sleeper berths or aerodynamic enhancements), and thorough maintenance records. The iconic styling and proven reliability of the W900 contribute to its strong resale value in the trucking industry.

2018 Kenworth W900 Cost of Ownership

Owning a 2018 Kenworth W900 is a significant financial commitment, generally categorized as costly rather than economical, particularly for owner-operators.

Insurance: Commercial truck insurance is substantial, covering liability, physical damage, and cargo. Premiums are influenced by the truck's value, driver's record, operating territory, and cargo type, easily running into thousands of dollars annually.

Fuel: Fuel is the largest ongoing expense. While equipped with efficient engines for its class, its large displacement and weight mean significant diesel consumption, directly tied to mileage driven and load.

Maintenance & Repair: Regular, preventative maintenance is crucial for longevity and can be costly, involving oil changes, filter replacements, and tire rotations. Repairs, especially for engine, transmission, or aftertreatment systems, can be expensive due to specialized parts and labor.

Long-Term Ownership: While initial purchase price and ongoing operational costs are high, the W900's durability and strong resale value can mitigate some long-term financial impact, making it a sound investment for those who utilize its capabilities effectively.

2018 Kenworth W900 Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

2018 Kenworth W900 Warranty

Basic
Original warranty 0 months / No data
Estimated remaining Expired
Powertrain
Original warranty 0 months / No data
Estimated remaining Expired
Rust
Original warranty 0 months / No data
Estimated remaining Expired

2018 Kenworth W900 Insurance

Insurance for a 2018 Kenworth W900 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2018 Kenworth W900 Compare to Other Truck?

The 2018 Kenworth W900 competes in the premium conventional heavy-duty truck segment, primarily against rivals like the Peterbilt 389, Freightliner Cascadia (though more aerodynamically focused), and International LoneStar.

Performance: The W900, typically equipped with powerful PACCAR MX-13 or Cummins ISX15 engines, offers robust performance for hauling heavy loads. Its performance is comparable to the Peterbilt 389, another truck celebrated for its classic styling and strong hauling capabilities. Freightliner's Cascadia, while also offering powerful engines, often leans more towards aerodynamic efficiency, which can translate to slightly better fuel economy on the highway, though potentially at the expense of the traditional W900 aesthetic. The LoneStar offers a blend of modern features with a distinctive design.

Features: Kenworth is known for its driver-centric interiors and extensive customization options, especially in the sleeper cabs. The W900 offers a comfortable and functional workspace, with premium materials and configurations that rival the Peterbilt 389. The Freightliner Cascadia often features more integrated technology and advanced driver-assistance systems as standard or readily available options. The International LoneStar also aims for a blend of comfort and modern tech.

Reliability: The W900, along with the Peterbilt 389, has a legendary reputation for build quality and durability. Both are built on robust chassis and use proven powertrain components, leading to excellent long-term reliability and longevity. Freightliner generally offers good reliability, but the Kenworth and Peterbilt brands are often perceived as having an edge in terms of overall ruggedness and longevity in the most demanding applications.

Price: The 2018 W900, when new, was competitively priced within the premium segment, often comparable to the Peterbilt 389. Both typically commanded higher prices than a comparable Freightliner or International due to their brand prestige and customization. On the used market, the W900 and 389 tend to hold their value very well.

Recommendations:
  • Similar Alternative: The Peterbilt 389 is the most direct competitor, sharing much of the same DNA and appeal with its iconic long hood and customization. Buyers seeking a similar experience might choose based on regional dealer support or slight aesthetic preferences.
  • More Aerodynamic/Tech Focused: If fuel efficiency and more integrated modern technology are paramount, the Freightliner Cascadia (particularly newer models) is a strong contender, though it sacrifices the W900's classic aesthetic.
  • A Blend of Old and New: The International LoneStar offers a unique styling that bridges traditional looks with modern amenities, making it another comparable option.

Ultimately, the choice often comes down to brand loyalty, specific customization needs, and the driver's personal preference for the iconic styling and driving experience that the Kenworth W900 and Peterbilt 389 offer.

Final Verdict: Is the 2018 Kenworth W900 a Good Truck?

The 2018 Kenworth W900 is ideal for owner-operators and fleets who prioritize classic styling, exceptional driver comfort, and legendary durability over cutting-edge technology or peak fuel efficiency. It's a truck built for the long haul, designed to be a reliable partner for many years and hundreds of thousands, if not millions, of miles.

It is absolutely worth buying for the right buyer. The conditions under which it's most advisable are primarily on the used market. Purchasing a new W900 in 2018 was a significant investment, but now, a well-maintained used model offers tremendous value. Buyers should focus on trucks with detailed maintenance records, inspect the engine and transmission thoroughly, and consider the intended application (e.g., long-haul vs. vocational). Specific trims with larger sleeper cabs are excellent for long-distance drivers needing a home away from home. For those who appreciate the heritage and robust engineering of traditional heavy-duty trucks, the 2018 Kenworth W900 remains a stellar choice.

2018 Kenworth W900 Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.