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2019 Kenworth T3 Series Overview, Reviews, Ratings & Specs

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Simon A | December 31, 2025
The 2019 Kenworth T3 Series, specifically the T370 and T380 models, are medium-duty trucks designed for a wide array of vocational applications. Available from the early 2000s to the present, these trucks are known for their robust construction and versatility. Key trims often refer to specific configurations like day cabs or tractors. New pricing typically ranged from $70,000 to $120,000 depending on specifications. Their popularity stems from Kenworth's reputation for quality, durability, and driver comfort, making them a preferred choice for businesses requiring reliable workhorses.
The Good

The 2019 Kenworth T3 Series offers exceptional performance and renowned reliability, providing peace of mind for practical buyers. Its comfortable cab design appeals to drivers, enhancing productivity. The robust build quality ensures long-term value and efficient operation for cost-conscious businesses.

The Bad

While generally robust, potential owners of a 2019 Kenworth T3 Series should watch out for occasional issues with the exhaust after-treatment system, particularly if maintenance is neglected. Some users report minor electrical gremlins or sensor malfunctions over time, which can be costly to diagnose and repair.

2019 Kenworth T3 Series: Quick Overview

  • Engine Options: The 2019 Kenworth T3 Series primarily offered the PACCAR PX-7 and PACCAR PX-9 engines. The PX-7 is a 6.7-liter inline 6-cylinder diesel, while the PX-9 is a larger 8.3-liter inline 6-cylinder diesel.
  • Horsepower: PACCAR PX-7 engines typically ranged from 200 to 325 horsepower. The PACCAR PX-9 engines offered higher output, generally from 260 to 350 horsepower.
  • Torque: Torque figures varied significantly with engine choice and configuration, with PX-7 models often producing between 520-750 lb-ft and PX-9 models delivering 800-1250 lb-ft.
  • Fuel Economy: Fuel economy for medium-duty trucks like the T3 Series is highly dependent on load, terrain, driving style, and specific engine/transmission pairing. Owners typically report averages ranging from 6 to 10 miles per gallon.
  • 0-60 Times: 0-60 mph acceleration is not a primary metric for vocational trucks. Performance is measured more by its ability to haul loads effectively rather than rapid acceleration.
  • Towing Capacity: Towing capacity is not a standard specification for the T3 Series in the same way as pickup trucks. Its Gross Vehicle Weight Rating (GVWR) typically ranges from 26,000 lbs to 56,000 lbs, indicating its payload and trailer hauling capability, which can be substantial for its class.
  • Transmission Options: Available transmissions often included Allison automatic transmissions (e.g., 2000, 3000, 4000 series) for ease of operation, as well as manual transmissions.
  • Trim-Level Features: Trim levels were less about luxury and more about vocational configuration. Standard features often included durable vinyl or cloth seating, robust HVAC systems, and a functional dashboard layout. Optional features could include upgraded seating, power windows/locks on some models, and various PTO (Power Take-Off) options for specialized equipment.
  • Wheelbase and Axle Configurations: A wide variety of wheelbase lengths and axle configurations were available to suit specific vocational needs, from straight trucks to tractor configurations.

2019 Kenworth T3 Series Specifications

Vehicle Information
Year 2019
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 2019 Kenworth T3 Series Have?

The 2019 Kenworth T3 Series, generally built to Kenworth's high standards, is known for solid long-term reliability. However, like any complex vehicle, some common areas of attention can arise over time. One frequently reported issue revolves around the diesel particulate filter (DPF) and selective catalytic reduction (SCR) systems, which are part of the emissions control. These systems, particularly on models with extensive idling or short-haul city driving, can become clogged or experience sensor failures. Proper maintenance, including regular DPF regenerations and fluid checks, is crucial to mitigate these problems.

Some owners have noted occasional electrical glitches, such as intermittent warning lights or issues with dashboard displays. These can sometimes be traced to faulty sensors, loose connections, or wiring harness wear. While not necessarily indicative of a widespread design flaw, these issues can be frustrating and require diagnostic expertise to resolve.

Transmission issues, while not rampant, can occur with heavy use. This might include hesitations in shifting, fluid leaks, or premature wear on components, especially if the transmission is not regularly serviced with the correct fluid and filters. For the 2019 model year specifically, there weren't major widespread recalls that stood out as systemic. However, it's always recommended to check for any manufacturer-issued Technical Service Bulletins (TSBs) or recalls that may have been issued for specific components or drivetrains. Long-term reliability is largely dependent on the quality of pre-ownership maintenance and how the truck was utilized. A well-maintained T3 Series can achieve hundreds of thousands of miles without major powertrain overhauls.

How long will the 2019 Kenworth T3 Series last?

Based on owner data and typical usage patterns for vocational trucks, a 2019 Kenworth T3 Series, with consistent and diligent maintenance, can reliably serve for an average of 10-15 years or accumulate between 250,000 to 500,000 miles. Some units, especially those used in less demanding applications and maintained meticulously, can even surpass these figures. Long-term durability is a hallmark of Kenworth trucks, with their robust chassis and durable powertrains. However, weaknesses over time can manifest as wear and tear on suspension components, brake systems, and exhaust after-treatment systems if not properly maintained. The frame and cab structures are generally very resilient, ensuring the core of the vehicle remains sound for an extended service life.

What Technology & Safety Features are Included?

The 2019 Kenworth T3 Series, being a vocational medium-duty truck, prioritizes functionality and durability over cutting-edge infotainment systems commonly found in passenger vehicles. Built-in technology typically focuses on operational efficiency and driver awareness. The dashboard features clear, easy-to-read analog gauges and digital displays for critical vehicle information such as engine diagnostics, fuel levels, and air brake pressure. Entertainment options are generally basic, often limited to an optional AM/FM/CD player or an auxiliary input for external devices. Bluetooth connectivity for hands-free calling might be available on higher-spec models or as an aftermarket addition.

Driver-assistance features are less prevalent compared to light-duty trucks. Standard safety equipment includes robust hydraulic or air-actuated brakes, power steering, and standard lighting. Optional safety features might include heated mirrors for improved visibility in adverse weather, and depending on the specific configuration and options selected by the original buyer, some might have had basic stability control systems.

Crash-test ratings for heavy-duty vocational trucks like the Kenworth T3 Series are not typically performed by organizations like the NHTSA or IIHS in the same way as passenger cars. The design and construction of these trucks are inherently robust, with strong frames, reinforced cabs, and safety glass designed to withstand significant forces encountered in vocational use and on the road. The emphasis is on occupant protection through structural integrity and well-designed safety restraints. The focus is on preventing accidents through visibility and reliable braking systems, and mitigating injuries through the truck's sturdy construction in the event of a collision.

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2019 Kenworth T3 Series Prices and Market Value

When new, the 2019 Kenworth T3 Series typically ranged from approximately $70,000 to $120,000, heavily dependent on specific configurations, engine choices, and vocational upfits. Currently, the used market prices for a 2019 Kenworth T3 Series can vary significantly, generally falling between $40,000 and $85,000. This wide range is influenced by mileage, condition, remaining warranty, type of equipment installed (e.g., dump body, flatbed, service body), and overall demand for medium-duty trucks. Kenworth trucks generally hold their value well due to their reputation for durability and reliability. Factors affecting resale value include meticulous maintenance records, low mileage for its age, absence of major damage or rust, and desirable vocational configurations. Depreciation is moderate, with the steepest decline occurring in the first few years of ownership.

2019 Kenworth T3 Series Cost of Ownership

Owning a 2019 Kenworth T3 Series involves significant but generally manageable costs for its class. Insurance premiums will be higher than for light-duty vehicles, influenced by the truck's value, usage, and the operator's record. Fuel costs depend heavily on the PACCAR engine chosen and operational use, typically ranging from $0.75 to $1.50 per mile. Routine maintenance, including oil changes, filter replacements, and DPF cleaning, is essential and will cost several hundred dollars per service interval. Repair costs can be substantial if major components like the engine or transmission require attention. Overall, while not economical in the sense of a passenger car, its long-term durability and operational efficiency offer good value for businesses, making it a moderate to costly, but justifiable, ownership expense.

2019 Kenworth T3 Series Fuel Efficiency

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

2019 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

2019 Kenworth T3 Series Insurance

Insurance for a 2019 Kenworth T3 Series is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2019 Kenworth T3 Series Compare to Other Truck?

The 2019 Kenworth T3 Series competes in the medium-duty vocational truck segment against strong rivals such as the International MV Series, Freightliner M2 Series, and Hino 2000 Series.

In terms of performance, the Kenworth T3 Series, with its PACCAR PX-7 and PX-9 engines, offers competitive power and torque, especially the PX-9, which can outclass some competitors in heavy-duty applications. The transmissions, often Allison automatics, provide smooth power delivery. The International MV Series and Freightliner M2 Series offer similarly capable powertrains, often with a broader range of engine options from various manufacturers.

Regarding features, the T3 Series focuses on driver comfort and operational practicality. Its cab, while functional, might be perceived as less modern or ergonomically advanced than some newer Freightliner M2 offerings which have made strides in cab design. International's offerings are also strong in cab comfort. Hino trucks often present a more basic, yet very reliable, package.

Reliability is a major selling point for Kenworth, which generally has a superior reputation for build quality and longevity compared to some competitors, though International and Freightliner have significantly improved their reliability over the years. Hino is also known for its robust, long-lasting engines and transmissions.

In terms of price, the Kenworth T3 Series often commands a slightly higher initial purchase price than comparable Freightliner or International models, reflecting its premium brand positioning and perceived durability. Hino trucks can sometimes be more budget-friendly.

Alternatives:
* Freightliner M2 Series: A very strong contender, offering a good balance of performance, modern features, and competitive pricing. It's a solid all-around choice.
* International MV Series: Known for comfort and a wide range of configurations, it's a direct competitor that excels in vocational applications.
* Hino 2000 Series (now Hino XL Series): Excellent for those prioritizing simplicity, proven reliability, and potentially lower initial cost, though it may lack some of the advanced features of the Kenworth.

The 2019 Kenworth T3 Series remains an excellent choice if long-term durability and resale value are paramount, and if the budget allows for its premium positioning. If slightly more modern tech or a lower upfront cost is the priority, the Freightliner M2 or International MV are very capable alternatives.

Final Verdict: Is the 2019 Kenworth T3 Series a Good Truck?

The 2019 Kenworth T3 Series is an ideal choice for businesses and owner-operators who prioritize exceptional durability, long-term reliability, and strong resale value in a medium-duty vocational truck. It is particularly well-suited for applications requiring a robust workhorse, such as construction, delivery services, and specialized trades.

It is worth buying, especially on the used market, provided it has been well-maintained and has a reasonable mileage for its age. Purchasing a used T3 Series can offer significant value, allowing access to Kenworth's legendary build quality at a more accessible price point. New purchases might be justified for those who require specific customizations or the latest available options and warranty coverage.

Focus on models with the PACCAR PX-9 engine for heavier duty tasks, and ensure thorough inspection of the exhaust after-treatment system and overall maintenance records, regardless of whether buying new or used. For businesses where downtime is costly, the T3 Series's inherent toughness makes it a sound investment for sustained operational efficiency.

2019 Kenworth T3 Series Owner Reviews

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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.