The 2009 Kenworth T800 is a robust Class 8 conventional truck known for its versatility and durability. It has been a staple in vocational and line-haul applications for many years, with its lineage tracing back decades. This model typically features a conventional cab body style. While specific trims can vary widely based on vocational use, key configurations often involve different axle setups and wheelbase lengths. New pricing for comparable Kenworth models typically starts in the low $100,000s, with used 2009 T800s varying significantly based on condition and mileage, often ranging from $30,000 to $70,000. Its popularity stems from its rugged construction, driver-focused design, and ability to be customized for diverse heavy-duty tasks.
The Good
The 2009 Kenworth T800 offers exceptional reliability and powerful performance, built for demanding work. Its comfortable cab design reduces driver fatigue, enhancing productivity. The robust construction and proven value make it a smart long-term investment for any fleet or owner-operator.
The Bad
Potential weaknesses for the 2009 Kenworth T800 can include the complexity of advanced emission systems on some models, which may require specialized maintenance. Older units might show wear on interior components and suspension parts. Rust on the chassis, especially in harsh climates, is also something to watch out for.
2009 Kenworth T800: Quick Overview
- Engine Options: The 2009 Kenworth T800 was typically powered by Cummins ISX and PACCAR PX-8 and PX-9 engines. Other options could include Caterpillar C13/C15 engines, depending on the specific configuration and factory order.
- Horsepower: Horsepower ratings varied significantly based on the engine chosen, but commonly ranged from 350 hp to over 600 hp. The Cummins ISX series could offer outputs from 400 hp to 525 hp, while PACCAR engines were similarly diverse.
- Fuel Economy: Fuel economy for a Class 8 truck like the T800 is highly dependent on factors such as engine, transmission, gearing, load, terrain, and driving style. Realistic figures would typically be in the range of 5 to 7 miles per gallon (MPG).
- 0-60 Times: 0-60 mph times are not a standard metric for heavy-duty trucks, as their primary purpose is hauling substantial loads, not rapid acceleration. When empty, acceleration would be considerably slower than a light-duty vehicle.
- Towing Capacity: Towing capacity is extremely high and highly variable, depending on the axle configuration, chassis strength, and gross vehicle weight rating (GVWR). The T800 is designed for heavy hauling, often exceeding 80,000 lbs Gross Combination Weight (GCW) and capable of much more for specialized applications like heavy haul or oversized loads. Specific ratings could reach well over 100,000 lbs GCW.
- Trim-Level Features: While not having traditional 'trims' like passenger cars, Kenworth T800s were highly customizable. Features could include various cab configurations (day cab, extended day cab, sleeper cabs of different lengths), different suspension types (air or mechanical), axle ratios, braking systems (air brakes), and advanced diagnostics. Interior options ranged from basic utilitarian to more comfort-oriented with enhanced seating, climate control, and infotainment options for longer hauls.
2009 Kenworth T800 Specifications
Vehicle Information
| Year | 2009 |
| Make | Kenworth |
| Model | T800 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Special Purpose Vehicle |
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 | 12.0-L L-6 Diesel |
| Engine Size | 12L |
| 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 2009 Kenworth T800 Have?
The 2009 Kenworth T800 is generally regarded as a highly reliable truck, but like any heavy-duty vehicle, it can encounter specific issues. One area that gained attention around this model year and into subsequent ones relates to emissions control systems. With the implementation of stricter EPA regulations, diesel particulate filters (DPFs) and selective catalytic reduction (SCR) systems became more common. These systems, while environmentally beneficial, can sometimes be prone to clogging or sensor failures if not maintained properly. This can lead to reduced engine performance, increased fuel consumption, and warning lights.
Another area to consider, especially with used models, is the wear and tear on components inherent to heavy-duty use. This includes the clutch, transmission, brakes, and suspension. High-mileage trucks may require regular replacement of these wear items. Electrical gremlins, though less common, can sometimes surface, particularly with wiring harnesses or integrated control modules, often exacerbated by vibration and environmental exposure.
While specific recalls for the 2009 model year are not widely publicized as a systemic major flaw, it is crucial for any prospective buyer to obtain the truck's Vehicle Identification Number (VIN) and check for any outstanding recalls with Kenworth or the relevant engine manufacturer (Cummins, PACCAR, etc.). Maintenance history is paramount; a well-maintained T800 with regular oil changes, filter replacements, and inspections is far more likely to be reliable than one that has been neglected.
Long-term reliability is a hallmark of Kenworth trucks, and the T800 is no exception. Owners often report consistent performance over hundreds of thousands of miles, provided routine maintenance is diligently performed. The robust chassis and powertrain are built for longevity. However, the complexity of modern engines and associated emission technologies means that proactive maintenance and addressing minor issues promptly are key to avoiding more significant problems down the line. Model year variations within the T800 range might see slight differences in the specific emissions hardware or electronic control units used, but the fundamental robustness of the platform remains consistent.
Another area to consider, especially with used models, is the wear and tear on components inherent to heavy-duty use. This includes the clutch, transmission, brakes, and suspension. High-mileage trucks may require regular replacement of these wear items. Electrical gremlins, though less common, can sometimes surface, particularly with wiring harnesses or integrated control modules, often exacerbated by vibration and environmental exposure.
While specific recalls for the 2009 model year are not widely publicized as a systemic major flaw, it is crucial for any prospective buyer to obtain the truck's Vehicle Identification Number (VIN) and check for any outstanding recalls with Kenworth or the relevant engine manufacturer (Cummins, PACCAR, etc.). Maintenance history is paramount; a well-maintained T800 with regular oil changes, filter replacements, and inspections is far more likely to be reliable than one that has been neglected.
Long-term reliability is a hallmark of Kenworth trucks, and the T800 is no exception. Owners often report consistent performance over hundreds of thousands of miles, provided routine maintenance is diligently performed. The robust chassis and powertrain are built for longevity. However, the complexity of modern engines and associated emission technologies means that proactive maintenance and addressing minor issues promptly are key to avoiding more significant problems down the line. Model year variations within the T800 range might see slight differences in the specific emissions hardware or electronic control units used, but the fundamental robustness of the platform remains consistent.
How long will the 2009 Kenworth T800 last?
The 2009 Kenworth T800 is engineered for exceptional longevity, with owner data and maintenance habits significantly influencing its service life. It is not uncommon for these trucks to achieve well over 1 million miles with proper care. Many owner-operators and fleets rely on their T800s for 10 to 15 years or more.
The core strength of the T800 lies in its robust construction, durable chassis, and well-regarded powertrains (Cummins, PACCAR). These components are designed for heavy-duty cycles. Weaknesses that can emerge over time and mileage typically relate to wear-and-tear items such as suspension components, brakes, and the transmission. The complexity of modern emissions systems, introduced around this era, can also become a maintenance focus, requiring specialized attention and component replacement. However, with diligent maintenance, regular inspections, and timely repairs, the T800 exhibits remarkable long-term durability, making it a respected workhorse in the trucking industry.
The core strength of the T800 lies in its robust construction, durable chassis, and well-regarded powertrains (Cummins, PACCAR). These components are designed for heavy-duty cycles. Weaknesses that can emerge over time and mileage typically relate to wear-and-tear items such as suspension components, brakes, and the transmission. The complexity of modern emissions systems, introduced around this era, can also become a maintenance focus, requiring specialized attention and component replacement. However, with diligent maintenance, regular inspections, and timely repairs, the T800 exhibits remarkable long-term durability, making it a respected workhorse in the trucking industry.
What Technology & Safety Features are Included?
The 2009 Kenworth T800, being a heavy-duty commercial truck, prioritizes functionality, durability, and safety over advanced consumer-grade infotainment systems found in light-duty vehicles.
Built-in Tech & Entertainment: Standard technology typically revolved around essential operational systems. This included a functional digital dashboard with comprehensive gauges for engine status, air pressure, and diagnostics. Radio systems were often basic AM/FM units, with optional upgrades for CD players or auxiliary inputs becoming more prevalent. Some higher-spec configurations might have offered pre-wiring for CB radios or satellite communication devices. Navigation systems were not standard and would have been aftermarket installations.
Driver-Assistance Features: Advanced driver-assistance systems (ADAS) as we know them today were largely absent or very rudimentary in 2009. Features that might have been available as options included anti-lock braking systems (ABS) and traction control, which are crucial for stability during braking and acceleration in large vehicles. Cruise control was a common, though not always standard, feature for long-haul comfort and fuel efficiency. Lane departure warning or adaptive cruise control systems were not typically offered.
Safety Features: Safety was a significant focus. The T800's robust construction is inherently a safety feature, providing a strong protective shell for the driver. Standard safety features included powerful air brakes for reliable stopping power, seatbelts for all occupants, and exterior lighting systems designed for maximum visibility. Depending on the configuration and vocational use, features like fog lights, brighter headlights, and robust mirrors were common.
Optional Features: Optional features could include more advanced climate control systems, upgraded seating with air-ride suspension for enhanced comfort and reduced fatigue, auxiliary lighting packages, and potentially integrated telematics systems for fleet management (tracking, performance monitoring). Sleeper cabs would offer amenities like berths, storage, and sometimes small refrigerators or heating units.
Crash-Test Ratings: Heavy-duty trucks like the Kenworth T800 are not subjected to the same consumer-focused crash-test ratings (e.g., NHTSA or IIHS) as passenger cars and light trucks. Their design and construction standards are governed by different regulations (like Federal Motor Vehicle Safety Standards - FMVSS) that focus on occupant protection in severe impact scenarios relevant to their operating class. The structural integrity and safety systems are designed to withstand the rigors of heavy hauling and commercial use.
Built-in Tech & Entertainment: Standard technology typically revolved around essential operational systems. This included a functional digital dashboard with comprehensive gauges for engine status, air pressure, and diagnostics. Radio systems were often basic AM/FM units, with optional upgrades for CD players or auxiliary inputs becoming more prevalent. Some higher-spec configurations might have offered pre-wiring for CB radios or satellite communication devices. Navigation systems were not standard and would have been aftermarket installations.
Driver-Assistance Features: Advanced driver-assistance systems (ADAS) as we know them today were largely absent or very rudimentary in 2009. Features that might have been available as options included anti-lock braking systems (ABS) and traction control, which are crucial for stability during braking and acceleration in large vehicles. Cruise control was a common, though not always standard, feature for long-haul comfort and fuel efficiency. Lane departure warning or adaptive cruise control systems were not typically offered.
Safety Features: Safety was a significant focus. The T800's robust construction is inherently a safety feature, providing a strong protective shell for the driver. Standard safety features included powerful air brakes for reliable stopping power, seatbelts for all occupants, and exterior lighting systems designed for maximum visibility. Depending on the configuration and vocational use, features like fog lights, brighter headlights, and robust mirrors were common.
Optional Features: Optional features could include more advanced climate control systems, upgraded seating with air-ride suspension for enhanced comfort and reduced fatigue, auxiliary lighting packages, and potentially integrated telematics systems for fleet management (tracking, performance monitoring). Sleeper cabs would offer amenities like berths, storage, and sometimes small refrigerators or heating units.
Crash-Test Ratings: Heavy-duty trucks like the Kenworth T800 are not subjected to the same consumer-focused crash-test ratings (e.g., NHTSA or IIHS) as passenger cars and light trucks. Their design and construction standards are governed by different regulations (like Federal Motor Vehicle Safety Standards - FMVSS) that focus on occupant protection in severe impact scenarios relevant to their operating class. The structural integrity and safety systems are designed to withstand the rigors of heavy hauling and commercial use.
What Colors Options are Available?
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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.
2009 Kenworth T800 Prices and Market Value
When new, a 2009 Kenworth T800 could command a price ranging from approximately $100,000 to $150,000 or more, heavily dependent on its specific vocational configuration, engine, transmission, and optional equipment. This price point reflects its heavy-duty capabilities and premium build quality.
The used market for a 2009 Kenworth T800 today can see prices vary widely, typically falling between $30,000 and $70,000. Factors influencing this range include mileage, overall condition, maintenance history, the specific engine and transmission, and the presence of any specialized vocational equipment.
Kenworth trucks, including the T800, generally hold their value relatively well compared to many other commercial vehicles due to their reputation for durability and reliability. Depreciation is significant in the initial years, as with most vehicles, but the rate slows considerably after the first few hundred thousand miles. Resale value is strongly affected by factors such as engine hours, transmission type (manuals often preferred by some operators), tire condition, chassis rust, and whether the truck has been used in demanding vocational applications that might lead to more wear. Well-maintained units with lower mileage and desirable configurations will always command a premium.
The used market for a 2009 Kenworth T800 today can see prices vary widely, typically falling between $30,000 and $70,000. Factors influencing this range include mileage, overall condition, maintenance history, the specific engine and transmission, and the presence of any specialized vocational equipment.
Kenworth trucks, including the T800, generally hold their value relatively well compared to many other commercial vehicles due to their reputation for durability and reliability. Depreciation is significant in the initial years, as with most vehicles, but the rate slows considerably after the first few hundred thousand miles. Resale value is strongly affected by factors such as engine hours, transmission type (manuals often preferred by some operators), tire condition, chassis rust, and whether the truck has been used in demanding vocational applications that might lead to more wear. Well-maintained units with lower mileage and desirable configurations will always command a premium.
2009 Kenworth T800 Cost of Ownership
Owning a 2009 Kenworth T800 involves significant but manageable costs. Insurance premiums can be substantial, reflecting the vehicle's value and risk associated with commercial operation. Fuel costs are a major ongoing expense, with average MPG around 5-7, dependent on engine and usage. Maintenance is critical for longevity; expect regular oil changes, filter replacements, and proactive checks, costing thousands annually. Repairs can be costly due to specialized parts and labor for heavy-duty components. Overall, while not economical in the consumer vehicle sense, the T800 offers good long-term value for its intended purpose, representing a considerable but worthwhile investment for reliable, heavy-duty service.
2009 Kenworth T800 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2009 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
2009 Kenworth T800 Insurance
Insurance for a 2009 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 2009 Kenworth T800 Compare to Other Truck?
The 2009 Kenworth T800 competes in the heavy-duty vocational and line-haul truck segment, facing strong rivals such as the Peterbilt 379/389, Freightliner Coronado/Argosy, and Mack Pinnacle models.
Performance: In terms of performance, the T800 is on par with its peers, offering powerful engine options (Cummins, PACCAR) and robust drivetrains designed for heavy loads and demanding terrains. Its specialized configurations can be tailored for specific tasks, offering flexibility that rivals match.
Features: Feature sets were comparable for the era. While Kenworth focused on driver comfort and practical durability, Peterbilt often offered slightly more premium interiors, and Freightliner tended to be more cost-conscious in base models. Advanced driver-assistance features were limited across the board in 2009, with most trucks prioritizing core functionality and safety systems like ABS.
Reliability: Kenworth, and the T800 specifically, has a stellar reputation for reliability and build quality, often considered a benchmark in the industry. Peterbilt is a very close competitor in this regard, sharing many components and a similar build philosophy. Mack trucks also boast strong reliability, particularly in vocational applications. Freightliner, while offering a wide range of models and price points, sometimes garners slightly mixed reviews on long-term durability compared to Kenworth or Peterbilt, though their higher-end models are very competitive.
Price: The T800 typically sat at the premium end of the price spectrum when new, reflecting its quality and brand cachet, often comparable to Peterbilt. Freightliner models could often be found at a slightly lower price point, particularly their more mass-produced lines.
Alternatives:
Similar: The Peterbilt 379/389 is an extremely similar alternative, offering comparable performance, reliability, and build quality, often with a slightly different aesthetic. Many operators choose between Kenworth and Peterbilt based on personal preference.
Alternative: For those prioritizing extreme durability in rugged vocational settings, a Mack Granite could be considered, known for its toughness. If a more aerodynamic highway cruiser is desired, a Freightliner Cascadia (though newer models are more prevalent) or a higher-end Freightliner conventional might be options, potentially at a slightly different price point.
Performance: In terms of performance, the T800 is on par with its peers, offering powerful engine options (Cummins, PACCAR) and robust drivetrains designed for heavy loads and demanding terrains. Its specialized configurations can be tailored for specific tasks, offering flexibility that rivals match.
Features: Feature sets were comparable for the era. While Kenworth focused on driver comfort and practical durability, Peterbilt often offered slightly more premium interiors, and Freightliner tended to be more cost-conscious in base models. Advanced driver-assistance features were limited across the board in 2009, with most trucks prioritizing core functionality and safety systems like ABS.
Reliability: Kenworth, and the T800 specifically, has a stellar reputation for reliability and build quality, often considered a benchmark in the industry. Peterbilt is a very close competitor in this regard, sharing many components and a similar build philosophy. Mack trucks also boast strong reliability, particularly in vocational applications. Freightliner, while offering a wide range of models and price points, sometimes garners slightly mixed reviews on long-term durability compared to Kenworth or Peterbilt, though their higher-end models are very competitive.
Price: The T800 typically sat at the premium end of the price spectrum when new, reflecting its quality and brand cachet, often comparable to Peterbilt. Freightliner models could often be found at a slightly lower price point, particularly their more mass-produced lines.
Alternatives:
Similar: The Peterbilt 379/389 is an extremely similar alternative, offering comparable performance, reliability, and build quality, often with a slightly different aesthetic. Many operators choose between Kenworth and Peterbilt based on personal preference.
Alternative: For those prioritizing extreme durability in rugged vocational settings, a Mack Granite could be considered, known for its toughness. If a more aerodynamic highway cruiser is desired, a Freightliner Cascadia (though newer models are more prevalent) or a higher-end Freightliner conventional might be options, potentially at a slightly different price point.
Final Verdict: Is the 2009 Kenworth T800 a Good Truck?
The 2009 Kenworth T800 is an ideal choice for owner-operators and fleets prioritizing robust durability, long-term reliability, and customizable performance for demanding vocational or line-haul applications. It's a truck built to last hundreds of thousands of miles with proper maintenance.
It is absolutely worth buying, especially in the used market, provided it has been well-maintained. Prospective buyers should focus on inspecting the chassis for rust, the engine for any signs of abuse or neglect, and ensuring that all essential systems are functioning correctly. Prioritize trucks with comprehensive service records. While new models are significantly more expensive, a well-inspected used 2009 T800 offers exceptional value for its build quality and operational lifespan. Specific configurations for vocational use (e.g., heavy haul, construction) will command different used prices and suitability based on the buyer's needs.
It is absolutely worth buying, especially in the used market, provided it has been well-maintained. Prospective buyers should focus on inspecting the chassis for rust, the engine for any signs of abuse or neglect, and ensuring that all essential systems are functioning correctly. Prioritize trucks with comprehensive service records. While new models are significantly more expensive, a well-inspected used 2009 T800 offers exceptional value for its build quality and operational lifespan. Specific configurations for vocational use (e.g., heavy haul, construction) will command different used prices and suitability based on the buyer's needs.
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.