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2023 Kenworth 310 Overview, Reviews, Ratings & Specs

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Jovan | September 27, 2025
The 2023 Kenworth 310 is a robust medium-duty cab-over truck, known for its versatility in vocational applications like refuse collection, construction, and municipal services. It's part of Kenworth's celebrated lineup, with its design focused on maneuverability and driver comfort in urban environments. While "trims" are less defined than configurations, pricing typically ranges from $90,000 to $150,000+, standing out for its Kenworth durability and adaptable chassis.
The Good

The 2023 Kenworth 310 offers exceptional advantages, blending practical robustness with driver appeal. Its powerful performance and renowned Kenworth reliability ensure maximum uptime and operational efficiency, translating to tangible value. The ergonomic design prioritizes driver comfort and visibility, fostering pride in ownership. This combination of durability, low running costs, and a quality driving experience makes it a smart and satisfying investment for businesses and operators alike.

The Bad

While robust, the 2023 Kenworth 310 can have a higher initial acquisition cost compared to some competitors. Its cab-over-engine design, while offering maneuverability, might present a slightly harsher ride on extended routes. Potential areas to watch for include the complexity and maintenance costs associated with modern emissions control systems, which are common across the industry but still a consideration for owners.

2023 Kenworth 310: Quick Overview

The 2023 Kenworth 310, designed for diverse vocational applications, offers a robust set of specifications tailored for performance and durability.

  • Engine Options: The primary engine choices include the PACCAR PX-7 and PX-9, along with the Cummins L9 engine. These engines are known for their reliability and power suitable for medium-duty tasks.
  • Horsepower: For the PACCAR PX-7, horsepower typically ranges from approximately 200 to 300 HP. The PACCAR PX-9 and Cummins L9 offer a broader range, from about 260 HP up to 380 HP, providing ample power for demanding operations.
  • Fuel Economy: Fuel economy for vocational trucks like the Kenworth 310 is highly variable, depending heavily on the specific application, body configuration, load, and driving conditions. Owners can generally expect figures in the range of 6-9 miles per gallon, though this is a broad estimate.
  • 0-60 Times: Performance metrics like 0-60 mph acceleration times are not applicable or measured for vocational trucks. Their design priority is torque, hauling capability, and maneuverability, not speed.
  • Towing/Hauling Capacity: The Kenworth 310 is built around its Gross Vehicle Weight Rating (GVWR) and Gross Combined Weight Rating (GCWR). GVWR can range significantly from around 33,000 lbs to over 66,000 lbs, depending on the chassis and axle configuration. With appropriate setup, GCWR can exceed 80,000 lbs for specific heavy-duty hauling applications.
  • Trim-Level Features & Configurations: Rather than traditional "trims," the 310 offers extensive configuration options:
    • Cab: Primarily a day cab design, optimized for urban and short-haul vocational work with excellent visibility.
    • Interior: Various interior packages are available, focusing on driver comfort and ergonomics, including air-ride seats, power windows, and an intuitive dashboard layout.
    • Transmission: Common options include robust Allison automatic transmissions (such as the 3000 or 4500 series) and Eaton manual or automated manual transmissions for efficiency and control.
    • Axle Configurations: Available in 4x2, 6x2, and 6x4 drive configurations to suit different traction and payload requirements.
    • Suspension: Options for both spring and air-ride suspensions to balance load support with driver comfort.
    • Frame Options: High-strength steel frame rails with various thicknesses and liner options for specific vocational body mounting.
    • Safety: Standard features include anti-lock braking systems (ABS) and traction control.
    • Technology: Integrated infotainment systems with Bluetooth connectivity, and provisions for telematics and fleet management solutions.

2023 Kenworth 310 Specifications

Vehicle Information
Year 2023
Make Kenworth
Model 310
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In United States
Manufacturing City CHILLICOTHE
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating 33001 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 12.9L L6 DIESEL
Engine Size 12.9L
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 2023 Kenworth 310 Have?

As the 2023 Kenworth 310 is a relatively new model year, widespread, specific "frequently reported problems" unique to this exact iteration have not yet emerged on a broad scale. However, vocational trucks, including those from reputable manufacturers like Kenworth, often share common long-term reliability concerns and maintenance points that owners should be aware of.
One of the most frequently discussed challenges across the entire modern diesel truck industry, including the Kenworth 310, pertains to the complex emissions control systems. Components such as the Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR) system, and Exhaust Gas Recirculation (EGR) valves are critical for meeting environmental regulations but can be prone to issues like clogging, sensor failures, or requiring specific maintenance regimens. Problems with these systems can lead to derating of power or costly repairs if not properly maintained.
Electrical system issues, while often minor, can sometimes be reported, ranging from sensor malfunctions to wiring harness problems affecting lights, gauges, or auxiliary equipment. Given the demanding environments these trucks operate in, wear and tear on suspension components like bushings, shock absorbers, and leaf springs is a natural long-term consideration, especially under consistent heavy loads and rough road conditions. Brake system components, including pads, rotors, and air system components, will also experience accelerated wear due to frequent stops associated with vocational work.
Recalls for the 2023 Kenworth 310 would be issued by the manufacturer and monitored by regulatory bodies like the NHTSA. While there might be minor campaigns for specific components or software updates, any significant safety-related recall would be widely publicized. Owners are always advised to register their vehicle and stay informed about any potential recall notices. Overall, Kenworth has a strong reputation for building durable and reliable trucks, and the 310 is expected to uphold this standard, provided it receives diligent preventative maintenance.

How long will the 2023 Kenworth 310 last?

The 2023 Kenworth 310, with proper maintenance and operating habits, is engineered for an exceptionally long service life. Vocational trucks often measure longevity in years of service and engine hours more so than pure mileage. Owners can realistically expect their Kenworth 310 to provide 15 to 20 years of reliable service, often accumulating 300,000 to 500,000 miles or more before major powertrain overhauls become necessary. Kenworth's reputation for durable chassis, robust powertrains, and high-quality components contributes significantly to this long-term resilience.
However, over time, specific areas may require increased attention. The complex emissions control systems (DPF, SCR) are particularly sensitive to neglected maintenance and can incur significant costs. Consistent exposure to harsh vocational environments can lead to accelerated wear on suspension components, steering linkages, and braking systems. Chassis corrosion, especially in regions using road salt, can also become a factor. Diligent preventative maintenance is the paramount factor in achieving the full potential lifespan of a 310.

What Technology & Safety Features are Included?

The 2023 Kenworth 310 integrates a range of built-in technology, entertainment, and safety features designed to enhance driver productivity, comfort, and operational security, while also offering crucial optional driver-assistance systems.
For built-in technology, the 310 typically features a comprehensive digital driver information display, providing critical operational data such as engine diagnostics, fuel economy metrics, and service intervals at a glance. Many units come equipped with the PACCAR Connect telematics system, which offers fleet managers valuable insights into vehicle location, performance, and driver behavior, aiding in route optimization and preventative maintenance planning.
Entertainment in the cab usually includes an integrated AM/FM/Weather Band radio with Bluetooth connectivity for hands-free calling and audio streaming, along with USB ports for device charging and media playback. While not luxury-car levels, these systems provide essential communication and comfort for drivers during their shifts.
Regarding driver-assistance and safety features, the 310 comes standard with robust air brakes, Anti-lock Braking Systems (ABS), and Automatic Traction Control (ATC) to ensure stable and controlled stopping and acceleration, especially on slippery surfaces. Optional advanced driver-assistance systems (ADAS) are increasingly available, significantly boosting safety. These can include:
  • Bendix Wingman Fusion: An advanced system that combines camera and radar to offer features like adaptive cruise control, active collision mitigation (forward collision warning with autonomous emergency braking), and stationary object alerts.
  • Lane Departure Warning: Alerts the driver if the truck unintentionally drifts out of its lane.
  • Side Object Detection: Uses radar to detect vehicles in blind spots.
The cab structure itself is engineered to meet rigorous vocational standards, providing a sturdy and protective environment for the occupants, complemented by excellent forward and side visibility inherent in the cab-over-engine design.
It is important to note that heavy-duty and medium-duty vocational trucks like the Kenworth 310 are not subjected to the consumer-focused crash-test ratings (e.g., NHTSA or IIHS) that passenger vehicles undergo. Their safety is assessed through adherence to industry-specific federal motor vehicle safety standards (FMVSS) and extensive manufacturer testing, focusing on structural integrity and the performance of braking and stability systems.

What Colors Options are Available?

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2023 Kenworth 310 Prices and Market Value

The new pricing for a 2023 Kenworth 310 varies significantly based on its specific configuration, engine choice, transmission, and vocational body. Typically, a new 310 can range from approximately $90,000 for a basic chassis up to $150,000 or more with specialized bodies and advanced features.
In the used market, prices for a Kenworth 310 are highly dependent on age, mileage (or engine hours), overall condition, and the type of vocational body installed. A well-maintained 3 to 5-year-old model might command $60,000 to $100,000, while older units (7+ years) can range from $30,000 to $60,000, still reflecting their robust build quality.
Depreciation for vocational trucks like the 310 is generally slower than for typical passenger vehicles due to their essential utility and long operational life. Factors significantly affecting resale value include a comprehensive maintenance history, the reputation and condition of major components (engine, transmission), current emissions compliance (which can impact demand in different regions), and the adaptability or specialized nature of its vocational body. A versatile body type or a clean chassis generally commands a higher premium.

2023 Kenworth 310 Cost of Ownership

Owning a 2023 Kenworth 310 involves significant long-term costs typical for a commercial vocational vehicle. Insurance premiums will be substantial due to the vehicle's value, commercial use, and high liability risks. Fuel is a major ongoing expense, with diesel consumption being considerable depending on duty cycle. Maintenance is critical and costly; regular preventative service, including oil changes, filter replacements, and chassis lubrication, requires specialized parts and labor. Repairs, particularly for complex emissions systems or major powertrain components, can also be expensive.
While these absolute costs are high, the Kenworth 310 is considered relatively economical within its class due to its strong reliability, durability, and reputation for maximizing uptime. Its long service life and robust build help mitigate some long-term financial burdens by reducing unexpected breakdowns. Ultimately, it's a costly vehicle to own, but a valuable asset for businesses when managed with diligent maintenance.

2023 Kenworth 310 Fuel Efficiency

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

2023 Kenworth 310 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

2023 Kenworth 310 Insurance

Insurance for a 2023 Kenworth 310 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2023 Kenworth 310 Compare to Other Truck?

The 2023 Kenworth 310 operates in a highly competitive medium-duty vocational truck segment, facing off against formidable rivals such as the Freightliner M2 series, its PACCAR sibling the Peterbilt 220, and offerings from Hino (like the L Series) and International (MV Series).
In terms of Performance, the Kenworth 310, powered by PACCAR PX-7/PX-9 or Cummins L9 engines, stands as a strong contender. Its engines provide excellent torque and horsepower suitable for demanding vocational tasks, matching or exceeding many rivals. The Freightliner M2 series is similarly powerful, often leveraging Detroit Diesel or Cummins engines, offering comparable workhorse capabilities. Hino and Isuzu models, while reliable, sometimes offer slightly less heavy-duty power ranges in their direct COE competitors, though they excel in specific light-to-medium applications.
Regarding Features, the Kenworth 310 is known for its driver-centric cab design, offering superior visibility and often a more refined interior finish than some base-model rivals. It provides a robust platform for extensive vocational body customization and integrates modern telematics and optional advanced driver-assistance systems (ADAS), mirroring the offerings from Peterbilt 220. Freightliner M2 also boasts a wide array of configurations and available ADAS, making them very competitive on the technology front. Hino and International also offer modern tech but might prioritize practicality over premium finishes in some trims.
Reliability is a strong suit for the Kenworth 310, benefiting from Kenworth's long-standing reputation for quality and durability. This is comparable to the high reliability expected from the Peterbilt 220. Freightliner M2 models are also renowned for their robustness and extensive dealer support. All modern trucks in this class, however, face common reliability challenges related to complex emissions systems.
On Price, the Kenworth 310 typically positions itself at the higher end of the medium-duty market, aligning closely with the Peterbilt 220 due to shared platforms and brand prestige. The Freightliner M2 series often presents a highly competitive value proposition, sometimes offering a slightly lower entry price for comparable capability. Hino and Isuzu models are generally positioned as more budget-friendly alternatives while still delivering solid performance and reliability for specific operational needs.
Recommended Alternatives:
  • Peterbilt 220: Virtually identical mechanically, often a matter of dealer preference or specific regional support.
  • Freightliner M2 106/112: A dominant player, offering immense versatility, strong dealer network, and competitive pricing. A highly recommended alternative for its balance of features, performance, and value.
  • Hino L Series: For those prioritizing initial cost and excellent urban maneuverability in lighter vocational tasks, Hino offers proven reliability and efficiency.
  • International MV Series: Provides a broad range of customizable options and strong powertrain choices, making it a robust alternative for various demanding applications.

Final Verdict: Is the 2023 Kenworth 310 a Good Truck?

The 2023 Kenworth 310 is an excellent choice for businesses and operators demanding a robust, versatile, and reliable medium-duty vocational truck. It's ideally suited for urban and regional applications such as refuse collection, construction (dump or mixer configurations), utility services, and specialized delivery roles where maneuverability, driver comfort, and uptime are critical. Companies valuing Kenworth's reputation for quality, strong resale value, and a premium driver experience will find the 310 particularly appealing.
It is absolutely worth buying, but the conditions matter. Purchasing new makes sense for businesses requiring specific, tailored configurations, full warranty coverage, and the assurance of cutting-edge emissions compliance and technology for long-term fleet integration. For those on a tighter budget, a well-maintained used Kenworth 310, particularly one with comprehensive service records and a desirable vocational body, can offer significant value and still deliver years of reliable service. Key "trims" or configurations should be chosen based on the precise duty cycle and payload requirements, prioritizing engine, transmission, and chassis strength over interior frills. Its higher initial cost is a justified investment for its long-term durability and operational efficiency.

2023 Kenworth 310 Owner Reviews

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Jovan

Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.