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2010 Kenworth T800 Overview, Reviews, Ratings & Specs

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Simon A | January 20, 2026
The 2010 Kenworth T800 is a renowned vocational truck, built to tackle demanding jobs. Primarily a conventional truck with a robust hood, it has seen production across many model years, making it a staple in construction, logging, and heavy hauling. Key trims often relate to its specific application, such as dump trucks or concrete mixers. While new pricing varies greatly based on configuration, a 2010 model typically falls into a significant used price range. Its popularity stems from its legendary durability, customizable options, and driver-centric design, making it a workhorse for many businesses.
The Good

The 2010 Kenworth T800 excels in rugged performance and unparalleled reliability, built to endure tough conditions. Its spacious, comfortable cab appeals to drivers on long hauls, while its robust design and proven engineering offer exceptional value and peace of mind for owners. It's a truck that inspires confidence.

The Bad

While generally robust, potential weaknesses for the 2010 Kenworth T800 can include the aging of certain electronic components and wear on suspension systems, especially in high-mileage units. Exhaust Gas Recirculation (EGR) related issues might also arise depending on the engine and maintenance history. Regular inspections are crucial.

2010 Kenworth T800: Quick Overview

  • Engine Options: The 2010 Kenworth T800 offered a range of powerful Cummins and PACCAR engines. Common options included the Cummins ISX series (e.g., ISX15) and PACCAR MX engines. These were heavy-duty diesel engines designed for vocational applications.
  • Horsepower: Horsepower ratings typically ranged from approximately 400 hp to over 600 hp, depending on the specific engine model chosen. Higher horsepower was usually selected for more demanding towing or high-speed highway operations.
  • Fuel Economy: Fuel economy for heavy-duty trucks like the 2010 Kenworth T800 is highly variable and depends on many factors including engine, transmission, gearing, load, terrain, and driving style. Expect figures generally in the range of 5-8 miles per gallon (MPG) under typical operating conditions.
  • 0-60 Times: 0-60 mph times are not a standard or relevant metric for this class of vehicle. These trucks are designed for sustained hauling and not for rapid acceleration. Their focus is on torque and pulling power, not speed.
  • Towing Capacity: Towing capacity is dependent on the truck's configuration (axles, suspension, chassis rating, Fifth wheel rating) and the specific application. For a T800 configured as a tractor, Gross Combination Weight Ratings (GCWR) could exceed 100,000 lbs, enabling significant towing loads. For vocational applications like dump trucks, the focus is on payload capacity.
  • Trim-Level Features: The concept of "trim levels" is less defined for vocational trucks compared to light-duty vehicles. Instead, the T800 was highly customizable. Key features would be chosen based on the intended use:
    • Chassis Configurations: Various axle configurations (tandem, tri-axle), frame reinforcements for heavy loads.
    • Suspension: Heavy-duty suspensions like Kenworth's own KW6-9 suspension or Hendrickson options for optimal load carrying and ride quality.
    • Cab Options: Day cabs for local use or multi-day cabs with sleeping berths for long-haul applications. Interior options focused on driver comfort and functionality, with durable materials.
    • Braking Systems: Air brakes were standard, with options for advanced systems depending on application.
    • PTO (Power Take-Off): Often equipped for applications requiring hydraulic power for equipment like dump beds, cranes, or mixers.
    • Aerodynamics: While known for its traditional styling, aerodynamic enhancements were available to improve fuel efficiency.

2010 Kenworth T800 Specifications

Vehicle Information
Year 2010
Make Kenworth
Model T800
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 15L I6
Engine Size 15L
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 2010 Kenworth T800 Have?

The 2010 Kenworth T800 is generally considered a very reliable truck, a testament to Kenworth's reputation for building durable vehicles. However, like any heavy-duty truck of this age, certain components can experience wear and tear. One area to watch for, particularly with the Cummins ISX engines common in this era, is the Exhaust Gas Recirculation (EGR) system. Issues with EGR coolers and valves can lead to reduced performance, increased emissions, and potential engine damage if not addressed promptly. These problems were not necessarily specific to the 2010 model year but were common across many heavy-duty diesel engines of that emission standard era.

Another area of concern for any truck with significant mileage is the electrical system. Connectors can corrode, sensors may fail, and wiring harnesses can become brittle, leading to intermittent faults or system malfunctions. This is often a result of exposure to the elements and vibration over time.

Drivetrain components, such as the transmission and differentials, are built for longevity but can require attention after hundreds of thousands of miles. Clutch wear, U-joint issues, and bearing failures are possibilities in high-mileage units. Regular fluid changes and inspections are crucial for preventing major failures.

For the 2010 model year, specific large-scale recalls are not as widely documented as for passenger vehicles, given the commercial nature and typical maintenance cycles. However, owners should always verify any outstanding safety recalls through Kenworth or their dealer. The long-term reliability of a 2010 T800 largely depends on its maintenance history. A well-maintained truck with regular preventative service, fluid changes, and component inspections will far outlast a neglected one. Owners looking at used 2010 models should prioritize trucks with detailed service records to ensure they are acquiring a vehicle that has been cared for.

How long will the 2010 Kenworth T800 last?

Estimating average mileage for a 2010 Kenworth T800 is challenging due to its diverse vocational applications. However, it is not uncommon for these trucks to accumulate 500,000 to over 1,000,000 miles throughout their service life. Their long-term durability is exceptional, with many units remaining in service for 10-15 years or more, provided they receive diligent maintenance. Weaknesses that emerge over time often relate to the cumulative wear on suspension components, exhaust systems, and the aforementioned potential for electronic module or sensor failures. However, the core chassis and powertrain are engineered for extreme longevity. Regular, proactive maintenance is the key to unlocking their full service life and avoiding costly roadside repairs.

What Technology & Safety Features are Included?

The 2010 Kenworth T800, as a vocational truck from that era, focused primarily on functionality and durability rather than advanced integrated technology or extensive driver-assistance features common in modern passenger vehicles. Its built-in tech was largely centered around the operation of the truck itself.

Entertainment: Basic entertainment options were typically limited to an aftermarket-style radio with AM/FM capabilities, and potentially a CD player. Auxiliary inputs for MP3 players were sometimes available as options. Speaker quality was generally functional rather than premium. Bluetooth connectivity for hands-free calling was not a standard factory feature for this model year and would have been an aftermarket addition.

Driver-Assistance & Safety Features: Standard safety features included robust air brakes designed for heavy loads, durable seatbelts, and lighting systems. Advanced driver-assistance systems (ADAS) like lane departure warning, adaptive cruise control, or automatic emergency braking were virtually non-existent on a 2010 T800 from the factory. These were not considered standard or even widely available options for heavy-duty trucks at that time.

Optional Features: Many features were optional and dictated by the specific vocational application. These could include:
  • On-Board Diagnostics (OBD): Advanced engine monitoring and diagnostic tools were available.
  • Navigation Systems: Some higher-spec trucks might have had integrated or optional navigation units, though often drivers relied on separate GPS devices.
  • Advanced Instrumentation: More comprehensive gauge clusters providing detailed information on engine performance, fuel levels, and system status.
  • Telematics: Basic telematics systems for fleet management could have been installed, offering tracking and operational data.

Crash-Test Ratings: Heavy-duty commercial trucks like the Kenworth T800 are not typically subjected to the same standardized crash-test ratings (like NHTSA or IIHS) as passenger cars and light trucks. Their design inherently prioritizes occupant protection through a strong frame, protective cab structure, and robust braking systems. The focus is on mitigating the effects of accidents involving large, heavy vehicles and protecting the driver in severe operational conditions.

What Colors Options are Available?

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2010 Kenworth T800 Prices and Market Value

When new, a 2010 Kenworth T800 could range significantly in price, often from $100,000 to over $200,000, depending heavily on its specific configuration, engine, transmission, and vocational outfitting. Depreciation on these workhorses is generally slower than for light-duty vehicles, especially for well-maintained units in high demand. Current used market prices for a 2010 Kenworth T800 can vary widely, typically from $30,000 to $80,000 or more. Factors significantly affecting resale value include mileage, engine hours, overall condition, maintenance history, brand reputation, and the presence of specialized vocational equipment. Trucks that have been used in less harsh environments or have complete service records tend to command higher prices. The T800's enduring popularity as a reliable workhorse supports strong residual values.

2010 Kenworth T800 Cost of Ownership

Owning a 2010 Kenworth T800 involves significant ongoing costs. Insurance premiums can be substantial, reflecting the vehicle's value and commercial use. Fuel costs are a major factor, with consumption depending heavily on engine, load, and routes; expect high diesel bills. Maintenance is critical for longevity and includes regular oil changes, filter replacements, and proactive inspections, costing thousands annually. Repairs, especially for major components like engines or transmissions, can be very expensive. While not economical in the traditional sense compared to smaller vehicles, its durability and earning potential make it a sound investment for businesses when properly managed. It is a costly machine to own and operate, but designed to generate revenue.

2010 Kenworth T800 Fuel Efficiency

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

2010 Kenworth T800 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

2010 Kenworth T800 Insurance

Insurance for a 2010 Kenworth T800 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2010 Kenworth T800 Compare to Other Truck?

The 2010 Kenworth T800 competes in the heavy-duty vocational truck market against formidable rivals such as the Peterbilt 389/388, Freightliner Coronado/FL112, and Mack Anthem/Pinnacle series.

Performance: In terms of raw performance, the T800 consistently ranks high. Its robust chassis and powerful engine options (Cummins ISX, PACCAR MX) deliver exceptional torque and hauling capability, often matching or exceeding competitors. The T800 is known for its strong power delivery for demanding applications.

Features: Feature sets across these trucks are application-driven. While the T800 emphasizes durability and driver ergonomics, rivals might offer slightly more modern cabin designs or integrated technology packages even in 2010 models, particularly in on-highway tractor configurations. However, for vocational duty, the T800's highly customizable options for chassis, suspension, and PTO systems are a significant advantage. Competitors like Peterbilt often offer comparable customization. Freightliner might present more standardized options in certain segments.

Reliability: Kenworth, along with Peterbilt (both PACCAR brands), generally holds a slight edge in long-term reliability and build quality perceptions compared to some Freightliner or Mack models, especially in vocational settings. The T800 is lauded for its legendary durability. However, specific engine choices and maintenance histories play a crucial role across all brands. A well-maintained T800 is often considered more reliable long-term than a poorly maintained competitor.

Price: In 2010, new pricing was competitive within the premium segment. Used, a 2010 T800 typically holds its value well, often sitting in a similar used price bracket as comparable Peterbilt models. Freightliner might offer slightly lower used prices in some configurations due to higher production volumes.

Alternatives:
  • Similar: The Peterbilt 389/388 is a very close competitor, offering similar performance, reliability, and customization. The choice often comes down to brand preference and specific dealer support.
  • Alternative: For a more on-highway focused truck with similar robustness, the International 9900i could be considered. For slightly less premium pricing in some vocational applications, a well-equipped Freightliner M2 series (though typically lighter duty) or a Mack Pinnacle might be options, but the T800 generally leads in sheer ruggedness for severe duty.

Final Verdict: Is the 2010 Kenworth T800 a Good Truck?

The 2010 Kenworth T800 is ideal for owner-operators and businesses in demanding vocational sectors like construction, logging, heavy hauling, and specialized transport who prioritize long-term durability, reliability, and power. It's worth buying primarily in the used market, as new models are significantly more expensive. For buyers, it's crucial to look for trucks with comprehensive maintenance records, especially for the engine and transmission. Consider specific configurations: a day cab for local work or a multi-day sleeper for over-the-road. While older, a well-maintained 2010 T800 offers exceptional value as a dependable workhorse that can continue to generate significant revenue for years to come. It is less suitable for those seeking advanced technology or fuel efficiency above all else.

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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.