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2015 Kenworth T370 Overview, Reviews, Ratings & Specs

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Drew B | January 8, 2026
The 2015 Kenworth T370 is a versatile Class 7 truck renowned for its robust construction and adaptability. Produced across a wide range of model years, it typically features a conventional cab body style. While specific trims vary based on vocational application, its popularity stems from its reputation for durability and customization options. New pricing could range widely from $80,000 to over $150,000 depending on configuration.
The Good

The 2015 Kenworth T370 excels in performance with powerful engine options and impressive towing capabilities. Its legendary reliability offers peace of mind for owners, while the comfortable cab design ensures driver satisfaction on long hauls. This truck provides excellent value for its robust build and operational efficiency, making it a smart investment for businesses.

The Bad

Potential weaknesses for the 2015 Kenworth T370 can include the complexity and cost of maintaining its advanced emissions systems. Some owners report occasional issues with the infotainment system or specific electronic components. Over time, rust can be a concern in certain climates, necessitating diligent inspections and preventative care.

2015 Kenworth T370: Quick Overview

  • Engine Options: The 2015 Kenworth T370 was primarily offered with PACCAR PX-7 diesel engines. Variants could include:
    • PACCAR PX-7: A 6.7-liter inline 6-cylinder turbocharged diesel engine.
  • Horsepower: Horsepower ratings for the PACCAR PX-7 typically ranged from approximately 200 to 325 horsepower, depending on the specific configuration and application.
  • Torque: Torque figures generally varied between 520 lb-ft and 750 lb-ft, providing substantial pulling power for various tasks.
  • Fuel Economy: Fuel economy for heavy-duty trucks like the T370 is highly variable and depends heavily on load, terrain, driving style, and engine configuration. It is typically measured in miles per gallon (MPG), with figures often ranging from 8 to 12 MPG for this class of vehicle.
  • 0-60 Times: 0-60 mph acceleration figures are not typically a primary metric for heavy-duty trucks, as their purpose is hauling and utility rather than rapid acceleration. Performance is more measured by acceleration under load and gradeability.
  • Towing Capacity: Towing capacity for the 2015 Kenworth T370 is substantial and highly dependent on the chassis configuration, axle ratings, and installed equipment. It is designed for vocational applications and can often tow trailers weighing upwards of 20,000 to 30,000 lbs or more when properly equipped, falling within the Class 7 GVWR limits.
  • Trim-Level Features: The T370 is highly customizable, with features varying greatly based on its intended use (e.g., dump truck, utility truck, tow truck, beverage truck). Common features can include:
    • Various cab configurations (standard, extended).
    • Multiple wheelbase options.
    • A wide array of vocational body upfits.
    • Air brakes.
    • Durable chassis designed for heavy-duty applications.
    • Optional amenities for driver comfort, such as upgraded seating, air conditioning, and infotainment systems.
    • Advanced safety features might be available depending on specific packages, including ABS and traction control.

2015 Kenworth T370 Specifications

Vehicle Information
Year 2015
Make Kenworth
Model T370
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In Mexico
Manufacturing City MEXICALI
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating 57000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 6.7L I6
Engine Size 6.7L
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 2015 Kenworth T370 Have?

The 2015 Kenworth T370, while generally a reliable workhorse, can exhibit some common issues that owners should be aware of. One frequently reported area of concern revolves around the emissions control system, particularly the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems. These systems, while crucial for meeting emissions standards, can be prone to clogging or malfunctions, especially if the truck isn't used for longer, consistent runs where regeneration cycles can complete effectively. Maintenance and adherence to proper operating procedures are key to mitigating these issues. Some owners have also noted potential electrical gremlins, such as intermittent issues with dashboard warning lights, sensors, or the infotainment system, though these are not widespread across all vehicles. The complexity of modern truck electronics means that troubleshooting can sometimes be challenging and costly.

Recalls for the 2015 model year are not overly prevalent for the T370, but as with any vehicle, they can occur. It is essential for owners to regularly check the NHTSA (National Highway Traffic Safety Administration) website or consult with a Kenworth dealer for any open recalls specific to their VIN. Long-term reliability is generally high, with many T370s serving their owners for well over a decade with proper care. However, like all heavy-duty vehicles, components such as the transmission, drivetrain, and suspension will eventually require maintenance or replacement. Early signs of wear might include unusual noises, vibrations, or changes in performance. For instance, a worn U-joint might cause a clunking sound during acceleration or deceleration. The frame and chassis are built for durability, but in corrosive environments, rust can become a long-term concern, requiring vigilant inspection and preventative treatments. Overall, the T370's reputation for longevity is strong, but proactive maintenance and addressing minor issues promptly are crucial for maximizing its service life and avoiding more significant problems down the line.

How long will the 2015 Kenworth T370 last?

The 2015 Kenworth T370 is built for longevity, with many units serving their owners for over 15 years. Average mileage can range significantly based on its application, from 30,000 miles per year for local delivery to over 100,000 miles for long-haul vocational use. With diligent maintenance, including regular oil changes, filter replacements, and inspections, these trucks can easily surpass 500,000 miles. The PACCAR PX-7 engine is known for its durability. Long-term durability is excellent for the chassis and core mechanicals. Weaknesses over time often relate to the emissions systems, which can become costly to repair if not properly maintained, and various electronic components which may age and fail. Regular servicing and addressing minor issues promptly are key to maximizing its lifespan and ensuring continued reliability.

What Technology & Safety Features are Included?

The 2015 Kenworth T370 prioritizes functionality and driver efficiency over cutting-edge infotainment systems, reflecting its vocational purpose. Built-in technology primarily focuses on operational data and basic amenities. Standard features often include a digital instrument cluster displaying essential vehicle information like fuel levels, engine diagnostics, and trip data. For entertainment, a basic AM/FM radio with auxiliary input is common, with optional upgrades potentially offering CD players or satellite radio capability. Bluetooth connectivity for hands-free calling might be an option on higher-spec configurations.

Driver-assistance features on the 2015 T370 are more focused on active safety than advanced comfort. Standard safety equipment includes anti-lock braking systems (ABS) for improved stopping control and traction control systems to prevent wheel spin, especially important in varied vocational environments. Air brakes are also a standard feature for robust stopping power. Depending on the specific upfit and customer orders, optional driver-assistance features could include integrated lighting controls, power mirrors, and potentially heated mirrors for visibility in adverse weather. While advanced driver-assistance systems (ADAS) like lane departure warning or adaptive cruise control were less common in this class in 2015, they might have been available through specialized vocational packages or aftermarket installations.

Crash-test ratings are not typically performed or published for heavy-duty vocational trucks like the Kenworth T370 in the same manner as passenger vehicles. Kenworth trucks are designed and built to meet stringent Federal Motor Vehicle Safety Standards (FMVSS) which encompass structural integrity, occupant protection, and crashworthiness for their intended use. The robust construction of the cab, along with features like reinforced A-pillars and safety glass, contribute to occupant protection. Manufacturers conduct their own internal testing to ensure compliance with these regulations. For specific details on safety compliance, consulting Kenworth's technical specifications or representatives would be advisable.

What Colors Options are Available?

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2015 Kenworth T370 Prices and Market Value

When new, the 2015 Kenworth T370 represented a significant investment, with base prices often starting around $80,000 and easily climbing to $150,000 or more depending on the specific vocational configuration, engine, and options. The used market for a 2015 Kenworth T370 in good condition can range from $40,000 to $80,000, heavily influenced by mileage, condition, and the type of body installed. Trucks with specialized equipment like dump bodies, utility beds, or cranes will command higher prices.

Depreciation on commercial vehicles is generally less severe than on passenger cars, especially for well-maintained, reputable brands like Kenworth. Factors affecting resale value include the overall condition of the chassis, powertrain, and any vocational equipment. A truck with lower mileage, a documented maintenance history, and minimal wear and tear will hold its value much better. The presence of desirable options and a clean title are also crucial. The market demand for reliable vocational trucks also plays a significant role in maintaining resale value.

2015 Kenworth T370 Cost of Ownership

Owning a 2015 Kenworth T370 involves significant costs. Insurance premiums will be higher than for light-duty vehicles due to its commercial classification and higher replacement value. Fuel costs depend heavily on mileage and the PACCAR PX-7 engine's efficiency, but expect substantial fuel consumption. Maintenance is crucial for longevity; routine services, oil changes, and filter replacements are essential. Repair costs for heavy-duty components can be substantial, especially for engine, transmission, or emissions system issues. While not economical in the sense of a passenger car, its total cost of ownership is often justified by its durability, capability, and strong resale value for commercial operations. It's a costly vehicle to own, but provides good value when used for its intended purpose.

2015 Kenworth T370 Fuel Efficiency

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

2015 Kenworth T370 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

2015 Kenworth T370 Insurance

Insurance for a 2015 Kenworth T370 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2015 Kenworth T370 Compare to Other Truck?

The 2015 Kenworth T370 operates in the highly competitive Class 7 vocational truck market. Its primary rivals include trucks like the Peterbilt 348, International 4300/4400, and Freightliner M2 106.

In terms of performance, the T370, with its PACCAR PX-7 engine, generally offers robust power and torque suitable for demanding vocational tasks, comparable to similar offerings from Peterbilt and Freightliner. International's offerings in this class often provided strong engines as well.

Features are where the T370, and Kenworth in general, often distinguish themselves. While all these trucks offer customizable vocational bodies, Kenworth and Peterbilt are known for their driver-focused cab designs, prioritizing comfort and visibility. The T370's interior, though functional, may feel less modern than some newer competitors, but its build quality is typically superior. International and Freightliner often offer a wider array of electronic features and driver aids at certain price points.

Reliability is a hallmark of Kenworth. The T370 is renowned for its durability and long service life, often surpassing its competitors in terms of longevity with proper maintenance. Peterbilt, being part of the PACCAR family, shares many components and similar reliability expectations. International and Freightliner have improved significantly over the years, but Kenworth and Peterbilt maintain a slight edge in perceived robustness and the ability to withstand harsh vocational use over the long term.

Price is a significant factor. Kenworth trucks, including the T370, are typically positioned at a premium price point, reflecting their build quality and reputation. Peterbilt 348s are similarly priced. International and Freightliner often present more budget-friendly options, making them attractive for companies with tighter capital constraints.

Alternatives: The Peterbilt 348 is arguably the closest direct competitor, sharing much of its engineering with the T370 due to their PACCAR ownership. For those seeking a potentially more cost-effective solution without sacrificing too much reliability, the Freightliner M2 106 is a strong contender. The International 4300/4400 series also offers robust performance and can be a viable alternative, often at a competitive price. The choice often boils down to specific vocational needs, budget, and long-term ownership philosophy.

Final Verdict: Is the 2015 Kenworth T370 a Good Truck?

The 2015 Kenworth T370 is an excellent choice for businesses and owner-operators requiring a durable, reliable, and highly capable Class 7 vocational truck. It's ideal for applications such as utility work, construction, towing, and specialized hauling where robust performance and longevity are paramount. For buyers prioritizing build quality and a proven track record of reliability over advanced technology, this truck is certainly worth considering.

Buying a used 2015 T370 is often the most practical approach, offering significant value compared to its new price. It's highly recommended to purchase one that has been well-maintained and ideally has a history of proper servicing. Focus on inspecting the emissions system, chassis condition, and any vocational equipment. While new models are available, the value proposition of a well-cared-for used T370 is typically much stronger for most buyers. Specific trims or configurations should be chosen based on the exact intended use of the truck.

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma