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2017 Kenworth T3 Series Overview, Reviews, Ratings & Specs

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Simon A | November 26, 2025
The 2017 Kenworth T3 Series, often found in the T370 and T380 configurations, represents Kenworth's commitment to versatile medium-duty trucks. Primarily built for vocational applications, these trucks have been produced since the early 2000s, with the 2017 model year offering refined features. They are popular for their robust construction, customization options, and reliable performance in demanding work environments. Pricing for a new T3 Series typically ranged from $80,000 to $150,000 depending on configuration.
The Good

The 2017 Kenworth T3 Series excels in rugged durability and driver-focused ergonomics. Its robust powertrain offers dependable performance for tough jobs, while the spacious cab provides exceptional comfort, reducing fatigue on long shifts. This blend of brawn and brains ensures a reliable, efficient, and reassuring investment for any business.

The Bad

Potential owners of the 2017 Kenworth T3 Series should be aware of the complexity and cost associated with advanced emissions systems. Some drivers might find the ride less refined than lighter-duty trucks. Additionally, maintenance can be more involved due to its heavy-duty nature.

2017 Kenworth T3 Series: Quick Overview

  • Engine Options: The 2017 Kenworth T3 Series offered a range of robust PACCAR PX-7 and PX-9 engines, along with options from Cummins.
  • Horsepower: Horsepower typically ranged from approximately 240 hp to over 350 hp, depending on the specific engine and configuration chosen.
  • Fuel Economy: Specific MPG figures are highly variable due to the vocational nature and load conditions of these trucks. However, these engines are designed for efficiency under load, with newer emission controls sometimes impacting optimal fuel burn. Expect figures to be significantly lower than passenger vehicles, with real-world results varying greatly.
  • 0-60 Times: 0-60 mph times are not a relevant metric for vocational trucks like the Kenworth T3 Series. These vehicles are built for hauling and work, not acceleration.
  • Towing Capacity: Towing and GCWR (Gross Combination Weight Rating) are critical specifications and depend heavily on the chassis configuration, axle ratios, and engine. Capacities can range significantly, often extending into tens of thousands of pounds for towing and GCWRs well over 60,000 lbs, making them suitable for heavy trailers and payloads.
  • Trim-Level Features: While not segmented into traditional 'trims' like consumer vehicles, the T3 Series offered extensive customization. Key features available included:
    • Various cab configurations (day cab, extended day cab)
    • Multiple axle configurations (single, tandem)
    • A wide array of transmissions (e.g., Allison automatic, manual options)
    • Customizable suspension systems
    • Air brake systems
    • Extensive PTO (Power Take-Off) options for auxiliary equipment
    • Body builder interfaces for upfitting specialized equipment (dump bodies, service bodies, cranes, etc.)
    • Driver amenities such as air conditioning, adjustable steering columns, and comfortable seating were standard, with premium options available.
    • Advanced diagnostics and telematics systems could be integrated for fleet management.

2017 Kenworth T3 Series Specifications

Vehicle Information
Year 2017
Make Kenworth
Model T3 Series
Trim -
Style -
Type Truck
Category Special Purpose Vehicle Class 8 Tractor
Manufacturing Details
Made In Canada
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 L6 DIESEL
Engine Size 6.7L
Engine Cylinders 6
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain Rear-Wheel Drive
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 2017 Kenworth T3 Series Have?

The 2017 Kenworth T3 Series, like many heavy-duty vocational trucks, can experience issues related to their complex powertrain and emissions systems. One common area of concern across various model years, including 2017, involves the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems. These components, designed to meet stringent emissions standards, can sometimes become clogged or malfunction, leading to reduced performance and the need for costly regeneration cycles or repairs. Drivers and fleet managers must adhere to strict maintenance schedules and proper operating procedures to mitigate these issues. Another potential area for attention can be related to the complex electrical systems and various sensors that control engine functions and emissions. Issues with sensors or wiring harnesses can trigger warning lights and diagnostic trouble codes, requiring specialized diagnostic tools for resolution.

While specific recalls for the 2017 model year should be verified through the NHTSA database or Kenworth directly, common recall areas for medium-duty trucks in this era can include issues with braking systems, steering components, or potential defects in safety-related equipment. Long-term reliability is generally strong for Kenworth products, built with robust components designed for demanding vocational use. However, consistent and proactive maintenance is paramount. Neglecting routine checks and fluid changes can accelerate wear on critical components like the transmission, drivetrain, and suspension. Operator error, such as improper idling habits or failure to allow systems to complete regeneration cycles, can also contribute to premature wear. Overall, the 2017 T3 Series is considered a dependable workhorse, but owners must be vigilant about emissions system maintenance and follow the recommended service intervals to ensure continued optimal performance.

How long will the 2017 Kenworth T3 Series last?

The 2017 Kenworth T3 Series is engineered for longevity and can achieve extensive service life, often exceeding 500,000 miles with diligent maintenance. Owners who prioritize regular oil changes, fluid checks, and adherence to the manufacturer's service schedule can expect well over a decade of service. The robust PACCAR engines and sturdy chassis are designed to withstand significant wear and tear. However, weaknesses that can emerge over time, particularly after 300,000 miles, often relate to the emissions control system components (DPF, SCR), which may require refurbishment or replacement. Suspension bushings, wear items, and exhaust system components are also subject to eventual wear. With proper care and timely repairs, the T3 Series demonstrates exceptional long-term durability, making it a sound investment for businesses.

What Technology & Safety Features are Included?

The 2017 Kenworth T3 Series is primarily a vocational workhorse, meaning its technology, driver-assistance, and safety features are geared towards operational efficiency and safety in demanding work environments rather than consumer-focused infotainment. Standard in the 2017 T3 Series cab would typically include essential instrumentation, robust climate control systems, and comfortable, durable seating. While advanced infotainment systems found in light-duty vehicles are not the focus, Kenworth often offered integrated AM/FM radios with auxiliary input capabilities. Optional features could include advanced telematics systems for fleet management, GPS tracking, and engine diagnostics, enhancing operational oversight and efficiency. Driver-assistance features were more focused on practical aids like power steering and potentially a rear backup camera system, especially if equipped with certain body types. Safety was paramount, with standard features including anti-lock braking systems (ABS), air brakes for superior stopping power, and robust construction designed to protect occupants. Seat belts are, of course, a standard safety feature. Due to the nature of heavy-duty vocational trucks, formal crash-test ratings from organizations like NHTSA or IIHS, similar to passenger cars, are not typically performed or published for the Kenworth T3 Series. Instead, safety is built into the design through a reinforced cab structure, visibility considerations, and the operational safety systems like ABS and powerful braking. Advanced driver-assistance systems (ADAS) like adaptive cruise control or lane departure warnings, common in modern commercial trucks, were less prevalent or optional on the 2017 T3 Series, with the emphasis being on robust mechanical safety and driver awareness.

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2017 Kenworth T3 Series Prices and Market Value

When new, the 2017 Kenworth T3 Series typically ranged from approximately $80,000 to $150,000, depending heavily on engine, transmission, chassis configuration, and vocational body upfitting. Depreciation on these vocational trucks is generally slower than on consumer vehicles due to their robust construction and specialized utility. A well-maintained 2017 T3 Series in good condition can still command significant value on the used market, often retaining 50-70% of its original value after several years, especially if equipped with desirable options or sought-after vocational bodies. Factors affecting resale value include mileage, overall condition, maintenance history, the type and quality of the vocational body, and market demand for specific configurations. Trucks with comprehensive service records and minimal wear on critical components will fetch higher prices. The inherent durability and reputation of the Kenworth brand also contribute positively to resale value.

2017 Kenworth T3 Series Cost of Ownership

Owning a 2017 Kenworth T3 Series involves substantial costs, making it a significant investment rather than an economical choice for casual users. Insurance premiums will be considerably higher than for light-duty vehicles due to their size, weight, and intended commercial use. Fuel costs are substantial, with MPG figures varying widely but always reflecting the heavy-duty nature. Maintenance and repair are also costly; specialized technicians and OEM parts are often required, particularly for the PACCAR engines and complex emissions systems. While the long-term durability offers value, the upfront and ongoing operational expenses position the T3 Series as a costly, though justifiable, ownership proposition for businesses reliant on its vocational capabilities.

2017 Kenworth T3 Series Fuel Efficiency

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

2017 Kenworth T3 Series 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

2017 Kenworth T3 Series Insurance

Insurance for a 2017 Kenworth T3 Series is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2017 Kenworth T3 Series Compare to Other Truck?

The 2017 Kenworth T3 Series competes in the medium-duty vocational truck segment, facing strong rivals such as Freightliner M2 series, International MV Series (or its predecessor, the TerraStar/WorkStar), and Hino 155/195 models. In terms of performance, the Kenworth T3 Series, powered by PACCAR PX-7 and PX-9 engines, often offers robust torque and horsepower well-suited for heavy hauling and demanding vocational applications, generally matching or exceeding the performance of comparable Freightliner and International models, though Hino might offer slightly lower power outputs in their lighter offerings.

Feature-wise, Kenworth trucks are known for their driver-centric cabs, emphasizing comfort and ergonomics. While competitors like Freightliner also focus on driver comfort, Kenworth often distinguishes itself with a more premium feel and build quality. International's offerings can be competitive in terms of features, but may vary significantly depending on the specific model and year. Hino trucks are typically more basic in their standard feature set, focusing on utility and value.

Reliability is a strong suit for Kenworth. The T3 Series is built with the ruggedness expected from the brand, often leading to higher longevity and fewer major issues compared to some competitors, particularly when maintained properly. Freightliner and International also have established reputations, but Kenworth consistently ranks high for overall dependability in the vocational sector. Hino trucks are generally reliable but might not possess the same heavy-duty resilience as the Kenworth.

Price-wise, Kenworth trucks, including the T3 Series, tend to sit at the higher end of the spectrum when new, reflecting their premium build and brand reputation. Freightliner M2 trucks are often competitively priced, sometimes offering a slight advantage. International's pricing can be varied, and Hino trucks usually offer a more budget-friendly entry point.

Alternatives: For similar performance and reliability, the Freightliner M2 106/114SD is a strong contender, often offering a slightly more accessible price point. The International MV Series (or older WorkStar models) is another comparable option, known for its versatility. If budget is a primary concern without sacrificing essential functionality, a Hino 195 or similar model could be considered, though it may not match the T3 Series in raw power or premium interior appointments.

Final Verdict: Is the 2017 Kenworth T3 Series a Good Truck?

The 2017 Kenworth T3 Series is ideally suited for businesses and owner-operators in demanding vocational sectors such as construction, refuse collection, landscaping, and utility services that require a robust, reliable, and highly customizable medium-duty truck. It is worth buying if durability, driver comfort, and long-term operational efficiency are prioritized over initial cost. Purchasing a used 2017 T3 Series can offer excellent value, provided a thorough inspection and maintenance history review are conducted. It's particularly beneficial for those needing a workhorse that can handle severe duty cycles and be upfitted for specialized tasks. New purchases are best for fleets requiring the latest configurations or specific warranties. Overall, it's a sound investment for professional use where performance and longevity are paramount, and its upfront cost is justified by its capabilities and expected service life.

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.