The 2005 Kenworth T800 is a robust Class 8 truck renowned for its versatility and durability. Produced for many years, this model often features a conventional cab and is available in various configurations to suit different hauling needs. While specific trims are less defined than in consumer vehicles, its popularity stems from its rugged build, driver comfort, and adaptability for applications ranging from heavy-duty construction to long-haul freight. New pricing for a comparable model would be substantial, but used 2005 T800s offer significant value.
The Good
The 2005 Kenworth T800 boasts exceptional reliability and powerful performance, making it a trusted workhorse. Its spacious, driver-focused cab offers surprising comfort for long hauls, appealing to the practical need for reduced fatigue. Emotionally, its iconic, imposing design and the reputation for unwavering dependability provide peace of mind and pride of ownership.
The Bad
Potential weaknesses for a 2005 Kenworth T800 often revolve around age-related wear and tear, such as older electronics or suspension components needing replacement. Fuel efficiency, while decent for its class, might not match newer, more advanced powertrains. Thorough pre-purchase inspections are crucial to identify any hidden issues.
2005 Kenworth T800: Quick Overview
- Engine Options: The 2005 Kenworth T800 typically came equipped with a range of powerful diesel engines from manufacturers like Cummins and Caterpillar. Common options included:
- Cummins ISX Series: Known for their robust performance and durability.
- Caterpillar C15/C16 Series: Also legendary for their power and longevity in heavy-duty applications.
Specific engine displacements could vary widely, often in the range of 10 to 15 liters. - Horsepower: Horsepower ratings varied significantly based on the engine chosen and the truck's configuration. They typically ranged from approximately 370 horsepower to over 600 horsepower. Higher horsepower was generally reserved for more demanding vocational or heavy-haul applications.
- Fuel Economy: Fuel economy for a 2005 Kenworth T800 is highly dependent on engine choice, gearing, load, driving style, and route. Generally, these trucks could achieve anywhere from 4 to 7 miles per gallon (MPG). It's not a primary design focus for this class of vehicle compared to light-duty trucks.
- 0-60 Times: 0-60 mph times are not a relevant metric for a Class 8 truck like the Kenworth T800, as their design prioritizes power, torque, and hauling capacity over acceleration. Loaded times would be exceptionally slow, measured in minutes rather than seconds.
- Towing Capacity: Towing capacity is a defining feature and depends heavily on the specific chassis configuration, axle ratings, suspension, and fifth-wheel setup. The T800 is designed for heavy-duty towing, with Gross Combination Weight Ratings (GCWR) often exceeding 80,000 lbs and sometimes reaching well over 100,000 lbs for specialized applications like heavy haul or RGN trailers.
- Trim-Level Features: The concept of "trim levels" is different for commercial trucks. Instead, features were highly customizable and option-dependent, focusing on functionality and driver comfort for extended periods. Common features and options included:
- Cab Configurations: Day cabs (for local/regional) or various sleeper cab sizes (e.g., 36-inch, 42-inch, 60-inch) for over-the-road operations.
- Interior Amenities: Air conditioning, power windows and locks (often optional on older models), premium seating, AM/FM/CD stereos, and auxiliary heaters.
- Suspension Systems: Various air or leaf spring suspensions tailored for load capacity and ride quality.
- Axle Configurations: Tandem or tridem drive axles for increased load-bearing capabilities.
- Braking Systems: Air brakes with anti-lock braking systems (ABS).
- Driver Aids: Cruise control was standard; advanced driver-assistance systems were not common in 2005.
2005 Kenworth T800 Specifications
Vehicle Information
| Year | 2005 |
| Make | Kenworth |
| Model | T800 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Compact Car |
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 | 14.6-L L-6 Diesel |
| Engine Size | 14.6L |
| 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 | - |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2005 Kenworth T800 Have?
For a 2005 Kenworth T800, frequently reported problems tend to be related to age and accumulated mileage, rather than inherent design flaws. As with most heavy-duty trucks of this vintage, common issues can include:
Engine and Drivetrain: While Cummins and Caterpillar engines are generally very reliable, at this age, owners might encounter issues with aging fuel injectors, turbochargers, or EGR coolers, especially if maintenance schedules weren't meticulously followed. Transmission issues, though less common, can arise, particularly with clutch wear or synchro problems in manual transmissions. Automatic transmissions might require service on their internal components.
Electrical Systems: Older electrical systems can develop gremlins. This might manifest as intermittent issues with dashboard lights, sensors, wiring harness degradation due to vibration and exposure, or problems with the alternator and starter. The complexity of the electrical system increases with added options, making troubleshooting more involved.
Suspension and Chassis: Components like U-joints, leaf springs, bushings, and shock absorbers will naturally wear over time. Air suspension systems, if equipped, can develop leaks in air bags or lines, leading to a rougher ride or uneven stance. Frame cracks, while rare on well-maintained T800s, are a possibility in severe service applications.
Cooling System: Radiators can develop leaks or become clogged, and water pumps can fail. Hoses can become brittle and crack. Overheating issues, if not addressed promptly, can lead to more severe engine damage.
Brakes: Air brake systems require regular maintenance. Leaks in brake lines, failing brake chambers, or worn brake shoes/drums are common wear items that need inspection and replacement.
Recalls: Specific recalls for a 2005 model year can be difficult to track down without a VIN. However, general recalls for Kenworth trucks of this era might have pertained to various safety-critical systems, such as brake components, steering linkages, or certain engine control modules. Owners should always consult the National Highway Traffic Safety Administration (NHTSA) database with their VIN for any outstanding recalls.
Long-Term Reliability: The Kenworth T800 is built for longevity. With diligent maintenance, these trucks can achieve well over a million miles. However, as they age, the likelihood of encountering various repair needs increases. The key to long-term reliability is proactive maintenance, addressing minor issues before they become major, and using quality parts and experienced technicians.
Engine and Drivetrain: While Cummins and Caterpillar engines are generally very reliable, at this age, owners might encounter issues with aging fuel injectors, turbochargers, or EGR coolers, especially if maintenance schedules weren't meticulously followed. Transmission issues, though less common, can arise, particularly with clutch wear or synchro problems in manual transmissions. Automatic transmissions might require service on their internal components.
Electrical Systems: Older electrical systems can develop gremlins. This might manifest as intermittent issues with dashboard lights, sensors, wiring harness degradation due to vibration and exposure, or problems with the alternator and starter. The complexity of the electrical system increases with added options, making troubleshooting more involved.
Suspension and Chassis: Components like U-joints, leaf springs, bushings, and shock absorbers will naturally wear over time. Air suspension systems, if equipped, can develop leaks in air bags or lines, leading to a rougher ride or uneven stance. Frame cracks, while rare on well-maintained T800s, are a possibility in severe service applications.
Cooling System: Radiators can develop leaks or become clogged, and water pumps can fail. Hoses can become brittle and crack. Overheating issues, if not addressed promptly, can lead to more severe engine damage.
Brakes: Air brake systems require regular maintenance. Leaks in brake lines, failing brake chambers, or worn brake shoes/drums are common wear items that need inspection and replacement.
Recalls: Specific recalls for a 2005 model year can be difficult to track down without a VIN. However, general recalls for Kenworth trucks of this era might have pertained to various safety-critical systems, such as brake components, steering linkages, or certain engine control modules. Owners should always consult the National Highway Traffic Safety Administration (NHTSA) database with their VIN for any outstanding recalls.
Long-Term Reliability: The Kenworth T800 is built for longevity. With diligent maintenance, these trucks can achieve well over a million miles. However, as they age, the likelihood of encountering various repair needs increases. The key to long-term reliability is proactive maintenance, addressing minor issues before they become major, and using quality parts and experienced technicians.
How long will the 2005 Kenworth T800 last?
A well-maintained 2005 Kenworth T800 can realistically be expected to serve for 10 to 15 years, accumulating anywhere from 750,000 to over 1.5 million miles. Their reputation for long-term durability is a cornerstone of their popularity. The key to this longevity lies heavily in proactive and consistent maintenance. Weaknesses that emerge over time are typically due to the natural wear and tear of components subjected to extreme stress and mileage. These can include aging electrical connectors, worn suspension bushings, and eventual engine component fatigue. However, the core chassis and powertrain are designed for rebuild and extended service life, meaning that with investment in repairs and upkeep, these trucks can continue to be productive assets for many years.
What Technology & Safety Features are Included?
The 2005 Kenworth T800, being a commercial truck from its era, prioritizes functionality and driver ergonomics over advanced in-cabin technology and driver-assistance features common in today's passenger vehicles. Built-in tech was generally more rudimentary, focusing on essential operational feedback.
Built-in Tech: The dashboard typically featured a comprehensive set of analog gauges for monitoring engine parameters like oil pressure, coolant temperature, fuel level, air brake pressure, and tachometer. An odometer and trip odometer were standard. Warning lights for critical systems were prominent. Diagnostics for engine and vehicle systems were present, but accessed via specialized equipment rather than a user-friendly touchscreen.
Entertainment: Entertainment options were relatively basic. AM/FM radio with a CD player was a common feature, often as an upgrade over a basic radio. Some trucks might have had auxiliary inputs for external devices. However, integrated navigation systems or Bluetooth connectivity were not standard and would have been aftermarket additions.
Driver-Assistance Features: Driver-assistance features were very limited in 2005. Cruise control was a standard or widely available option, crucial for long-haul comfort and fuel efficiency. Anti-lock Braking Systems (ABS) were mandatory for heavy trucks and were present on the 2005 T800, enhancing braking safety. Features like lane departure warning, adaptive cruise control, or automatic emergency braking were not available on this model.
Safety Features: Primary safety features included robust construction, high-visibility cab design for the driver, and the aforementioned ABS. Seatbelts were standard. The durable nature of the Kenworth chassis provided significant passive safety in the event of an impact. There were no standardized crash-test ratings (like NHTSA or IIHS ratings) for commercial trucks; their safety was assessed through operational design and component reliability.
Optional Features: Buyers could opt for more comfortable seating, upgraded HVAC systems, auxiliary heaters for colder climates, and in some cases, basic satellite communication or GPS tracking systems, though these were often installed by third parties. The emphasis was on driver productivity and comfort for long hours, not integrated digital ecosystems.
Built-in Tech: The dashboard typically featured a comprehensive set of analog gauges for monitoring engine parameters like oil pressure, coolant temperature, fuel level, air brake pressure, and tachometer. An odometer and trip odometer were standard. Warning lights for critical systems were prominent. Diagnostics for engine and vehicle systems were present, but accessed via specialized equipment rather than a user-friendly touchscreen.
Entertainment: Entertainment options were relatively basic. AM/FM radio with a CD player was a common feature, often as an upgrade over a basic radio. Some trucks might have had auxiliary inputs for external devices. However, integrated navigation systems or Bluetooth connectivity were not standard and would have been aftermarket additions.
Driver-Assistance Features: Driver-assistance features were very limited in 2005. Cruise control was a standard or widely available option, crucial for long-haul comfort and fuel efficiency. Anti-lock Braking Systems (ABS) were mandatory for heavy trucks and were present on the 2005 T800, enhancing braking safety. Features like lane departure warning, adaptive cruise control, or automatic emergency braking were not available on this model.
Safety Features: Primary safety features included robust construction, high-visibility cab design for the driver, and the aforementioned ABS. Seatbelts were standard. The durable nature of the Kenworth chassis provided significant passive safety in the event of an impact. There were no standardized crash-test ratings (like NHTSA or IIHS ratings) for commercial trucks; their safety was assessed through operational design and component reliability.
Optional Features: Buyers could opt for more comfortable seating, upgraded HVAC systems, auxiliary heaters for colder climates, and in some cases, basic satellite communication or GPS tracking systems, though these were often installed by third parties. The emphasis was on driver productivity and comfort for long hours, not integrated digital ecosystems.
What Colors Options are Available?
We’re working on this section!
In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2005 Kenworth T800 Prices and Market Value
When new, a 2005 Kenworth T800 would have commanded a significant price, typically ranging from $100,000 to $200,000 or more, depending heavily on the configuration, engine, transmission, and optional equipment. As a used vehicle, prices for a 2005 Kenworth T800 can vary widely, often from $20,000 to $60,000, with well-maintained, low-mileage, or specialized vocational trucks fetching higher amounts. Depreciation on commercial trucks is generally slower than on consumer vehicles, especially for reliable models like the T800. Key factors affecting resale value include mileage, engine and transmission condition, overall maintenance history, tire condition, presence of desirable options (like a large sleeper), and the specific vocational application the truck is suited for. Trucks with clean titles and documented service records hold their value best.
2005 Kenworth T800 Cost of Ownership
Owning a 2005 Kenworth T800 is generally considered costly, reflecting its heavy-duty nature. Insurance premiums will be substantial, influenced by coverage levels, usage, and driver history. Fuel costs are significant, with MPG typically in the 4-7 range, heavily dependent on engine and load. Maintenance is critical and ongoing, requiring regular oil changes, filter replacements, and inspections, which can add up to several thousand dollars annually. Repairs, especially for major components like engines or transmissions, can be very expensive. While its initial purchase price as a used vehicle might be attractive, the cumulative fuel, maintenance, and potential repair costs make the T800 a considerable investment, not an economical vehicle for casual ownership.
2005 Kenworth T800 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2005 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
2005 Kenworth T800 Insurance
Insurance for a 2005 Kenworth T800 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2005 Kenworth T800 Compare to Other Truck?
The 2005 Kenworth T800 competes in the Class 8 heavy-duty truck segment, where its rivals are typically other premium manufacturers known for durability and capability. Key competitors include Peterbilt (often sharing platforms and components with Kenworth), Freightliner (especially models like the Century Class or Columbia), and Volvo (VNL series).
Performance: Kenworth T800s, powered by Cummins or Caterpillar engines, offered excellent torque and horsepower comparable to its peers. Performance was generally on par, with slight variations based on specific engine tunes and configurations. Peterbilts often had similar performance characteristics.
Features: In 2005, driver comfort and cab design were differentiating factors. Kenworth and Peterbilt were known for their driver-centric ergonomics and robust interiors. Freightliner often offered competitive features and was sometimes seen as a more value-oriented option. Volvo trucks often featured advanced suspension systems and distinctive cab designs.
Reliability: Kenworth and Peterbilt have historically shared a reputation for exceptional reliability and longevity, often considered top-tier in this regard. Their robust construction and quality components contribute to this. Caterpillar and Cummins engines used in Kenworths are legendary for their durability. Freightliner and Volvo also offer reliable trucks, but in this vintage, Kenworth and Peterbilt are often preferred by operators prioritizing long-term uptime and lower maintenance over the vehicle's lifespan.
Price: As used vehicles from 2005, the T800, Peterbilt, and Volvo would likely be in a similar price bracket, with variations based on condition and specific equipment. Freightliner models might sometimes be found at slightly lower price points.
Recommendations:
* Similar Alternatives: The 2005 Peterbilt 379 or 387 are very similar alternatives, offering comparable build quality, reliability, and performance. The choice between them often comes down to brand preference and specific available units.
* Alternative: A 2005 Volvo VNL series truck could also be considered, especially if seeking a potentially smoother ride due to its suspension systems. However, maintenance and parts availability for older Volvos might differ slightly from Kenworth/Peterbilt.
* Consider Newer: If budget allows, looking at slightly newer models (e.g., 2008-2012) from any of these manufacturers might offer improved fuel efficiency, slightly more advanced (though still basic by modern standards) technology, and potentially fewer age-related issues.
Performance: Kenworth T800s, powered by Cummins or Caterpillar engines, offered excellent torque and horsepower comparable to its peers. Performance was generally on par, with slight variations based on specific engine tunes and configurations. Peterbilts often had similar performance characteristics.
Features: In 2005, driver comfort and cab design were differentiating factors. Kenworth and Peterbilt were known for their driver-centric ergonomics and robust interiors. Freightliner often offered competitive features and was sometimes seen as a more value-oriented option. Volvo trucks often featured advanced suspension systems and distinctive cab designs.
Reliability: Kenworth and Peterbilt have historically shared a reputation for exceptional reliability and longevity, often considered top-tier in this regard. Their robust construction and quality components contribute to this. Caterpillar and Cummins engines used in Kenworths are legendary for their durability. Freightliner and Volvo also offer reliable trucks, but in this vintage, Kenworth and Peterbilt are often preferred by operators prioritizing long-term uptime and lower maintenance over the vehicle's lifespan.
Price: As used vehicles from 2005, the T800, Peterbilt, and Volvo would likely be in a similar price bracket, with variations based on condition and specific equipment. Freightliner models might sometimes be found at slightly lower price points.
Recommendations:
* Similar Alternatives: The 2005 Peterbilt 379 or 387 are very similar alternatives, offering comparable build quality, reliability, and performance. The choice between them often comes down to brand preference and specific available units.
* Alternative: A 2005 Volvo VNL series truck could also be considered, especially if seeking a potentially smoother ride due to its suspension systems. However, maintenance and parts availability for older Volvos might differ slightly from Kenworth/Peterbilt.
* Consider Newer: If budget allows, looking at slightly newer models (e.g., 2008-2012) from any of these manufacturers might offer improved fuel efficiency, slightly more advanced (though still basic by modern standards) technology, and potentially fewer age-related issues.
Final Verdict: Is the 2005 Kenworth T800 a Good Truck?
The 2005 Kenworth T800 is ideal for experienced owner-operators, small fleets, or businesses requiring a dependable, workhorse truck for heavy-duty vocational tasks or long-haul freight. It's worth buying if a thorough inspection reveals it to be in good mechanical condition and if the buyer understands the ongoing costs of operating a mature heavy-duty vehicle. Buying used is the only practical option for this model year. It is best suited for those who prioritize legendary durability and proven performance over cutting-edge technology or fuel efficiency. Conditions for purchase should include a comprehensive pre-purchase inspection by a qualified heavy-duty mechanic and a willingness to invest in preventative maintenance to ensure continued reliability and longevity.
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.