The 2009 Kenworth T600 represents an evolution of Kenworth's iconic aerodynamic Class 8 tractor. While the T600 was largely succeeded by the T660 by this year, its legacy of groundbreaking "Anteater" design for fuel efficiency endured. It features a conventional long-nose body style, known for its distinctive sloped hood. Key trims included day cabs and various AeroCab sleeper configurations. New pricing historically ranged from $100,000 to $160,000+. It stands out for its blend of Kenworth's legendary durability, driver comfort, and pioneering aerodynamic efficiency.
The Good
The 2009 Kenworth T600 offers robust performance with powerful engine options and Kenworth's renowned reliability. Its aerodynamic design provides practical fuel efficiency, appealing to cost-conscious buyers. Drivers appreciate the superior comfort, spacious cabs, and quiet ride, fostering a sense of pride of ownership. This blend of durable construction, driver appeal, and potential for long service life ensures lasting value.
The Bad
Known weaknesses for the 2009 Kenworth T600 primarily revolve around the early generation EPA 2007 emissions systems, including frequent Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) issues. Potential electrical gremlins, aging suspension components, and higher maintenance costs compared to pre-emissions models are also common concerns to watch out for.
2009 Kenworth T600: Quick Overview
- Engine Options: Typically offered with robust Class 8 diesel engines, primarily the Cummins ISX (CM871) and Caterpillar C15 (ACERT, though less common for 2009 models with EPA 2007 emissions standards). Detroit Diesel Series 60 was also an option, particularly in earlier T600s.
- Horsepower: Common ranges from 400 HP to 600 HP, with many units spec'd in the 450-550 HP range, providing ample power for diverse hauling needs.
- Fuel Economy: Highly variable based on engine, gearing, load, terrain, and driver habits. The aerodynamic design aimed for efficiency, typically achieving 5-7 MPG under real-world conditions.
- 0-60 Times: Not applicable. Performance for Class 8 trucks is measured by pulling power and hill-climbing ability, not acceleration metrics like 0-60 mph.
- Towing Capacity: Rather than "towing capacity," Class 8 trucks are rated by Gross Combination Weight Rating (GCWR). Standard GCWR is 80,000 lbs, but can be higher with proper permits and configurations for specialized heavy-haul applications.
- Trim-Level Features:
- Day Cab: Designed for shorter hauls, offering a functional and comfortable driver environment without a sleeper compartment.
- AeroCab/Sleeper Options: Ranged from mid-roof to high-roof configurations, including 62-inch, 72-inch, and 86-inch lengths. These often featured:
- Interior: Premium materials like wood grain accents, upgraded upholstery (cloth or optional leather), and full instrumentation.
- Driver Comfort: Air-ride seats (driver and passenger), tilt/telescoping steering column, power windows and locks, cruise control, and advanced climate control.
- Sleeper Amenities: Configurable with single or double bunks, ample storage, refrigerator prep, microwave shelves, TV mounts, auxiliary heating/AC, and improved insulation for driver comfort on long hauls.
- Exterior Enhancements: Various chrome packages, aerodynamic fairings, polished aluminum wheels, and custom paint options to enhance appearance and efficiency.
2009 Kenworth T600 Specifications
Vehicle Information
| Year | 2009 |
| Make | Kenworth |
| Model | T600 |
| 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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Analysis
Analysis
What Problems Does the 2009 Kenworth T600 Have?
For the 2009 Kenworth T600 (or its contemporary, the T660, sharing similar technology), frequently reported problems are heavily influenced by the introduction of stringent EPA 2007 emissions standards. The primary concern across the industry for this model year involves the early generation Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) systems. Owners commonly experienced issues such as:
- Frequent DPF regenerations, leading to increased fuel consumption and downtime.
- Clogged DPFs and failed sensors, causing engine derates or breakdowns.
- EGR cooler failures and issues with EGR valves, leading to coolant consumption and performance problems.
- Engine-specific problems: The Cummins ISX CM871 engine (common for this era) was particularly known for issues with its EGR system, rocker arm failures, and fuel system component wear. Caterpillar ACERT engines, while powerful, also had their own complexities with multiple turbochargers and emissions controls.
- Electrical System Issues: Aging wiring harnesses, sensor failures, and issues with the multiplexing system can lead to intermittent electrical problems and diagnostic trouble codes.
- Air System Leaks: Common for any high-mileage truck, leaks in air brake lines, suspension airbags, and dryer systems require regular attention.
- HVAC System Malfunctions: Blower motors, blend doors, and AC compressor failures are not uncommon.
- Suspension Wear: Components like kingpins, bushings, and shocks naturally wear out, particularly on units with extensive mileage or heavy load history.
How long will the 2009 Kenworth T600 last?
A well-maintained 2009 Kenworth T600 can easily achieve 1,000,000 to 1,500,000 miles or more, demonstrating Kenworth's fundamental long-term durability. With average annual mileage of 100,000-150,000, this equates to 10-15 years of primary service, with many continuing for longer in secondary roles. The robust PACCAR chassis, sturdy frame, and durable cab design are built for longevity. However, long-term weaknesses, particularly for this model year, stem from the early EPA 2007 emissions systems (DPF/EGR). These components are prone to failures, requiring costly repairs or replacement over time and impacting operational efficiency. Additionally, general wear on suspension components, electrical systems, and interior amenities becomes more pronounced with age and high mileage, necessitating consistent preventative maintenance and budget for inevitable repairs.
What Technology & Safety Features are Included?
When new, the 2009 Kenworth T600 offered a blend of practical technology and driver-focused amenities for its era.
Built-in Tech & Entertainment:
Standard features typically included an AM/FM stereo with a CD player. The dashboard featured a comprehensive array of analog gauges for critical information (speedometer, tachometer, air pressure, oil pressure, coolant temperature, fuel level, voltmeter) complemented by a digital driver information display. This display provided basic trip data, diagnostic codes, and maintenance reminders. Optional entertainment features often included upgraded audio systems, satellite radio (SiriusXM was becoming popular), and integrated CB radio setups. In the sleeper, provisions for TV/DVD player installation, power inverters, and enhanced lighting were common to improve driver comfort and convenience.
Driver-Assistance & Safety Features:
Safety in a 2009 Class 8 truck primarily centered on robust construction and reliable braking. Standard safety features included a full air-brake system with Anti-lock Braking System (ABS) and often Traction Control System (TCS) for improved stopping power and stability. The T600's strong cab structure and large, power-adjustable heated mirrors contributed to passive safety and visibility. While modern advanced driver-assistance systems (ADAS) were still nascent, some emerging optional features might have included electronic stability control (ESC), although it wasn't as universally mandated or integrated as it is today. Features like collision mitigation (e.g., Bendix Wingman), lane departure warning, or driver drowsiness monitoring were generally not standard or widely available on commercial trucks of this vintage, typically becoming more common in the mid-2010s.
Crash-Test Ratings:
Commercial heavy-duty trucks like the Kenworth T600 are not subjected to the same standardized crash-test ratings (e.g., star ratings from NHTSA or IIHS) as passenger vehicles. Their design adheres to stringent commercial vehicle safety regulations for structural integrity, occupant protection, and braking performance. Safety is inherent in their massive construction and engineering designed for durability in commercial operations.
Built-in Tech & Entertainment:
Standard features typically included an AM/FM stereo with a CD player. The dashboard featured a comprehensive array of analog gauges for critical information (speedometer, tachometer, air pressure, oil pressure, coolant temperature, fuel level, voltmeter) complemented by a digital driver information display. This display provided basic trip data, diagnostic codes, and maintenance reminders. Optional entertainment features often included upgraded audio systems, satellite radio (SiriusXM was becoming popular), and integrated CB radio setups. In the sleeper, provisions for TV/DVD player installation, power inverters, and enhanced lighting were common to improve driver comfort and convenience.
Driver-Assistance & Safety Features:
Safety in a 2009 Class 8 truck primarily centered on robust construction and reliable braking. Standard safety features included a full air-brake system with Anti-lock Braking System (ABS) and often Traction Control System (TCS) for improved stopping power and stability. The T600's strong cab structure and large, power-adjustable heated mirrors contributed to passive safety and visibility. While modern advanced driver-assistance systems (ADAS) were still nascent, some emerging optional features might have included electronic stability control (ESC), although it wasn't as universally mandated or integrated as it is today. Features like collision mitigation (e.g., Bendix Wingman), lane departure warning, or driver drowsiness monitoring were generally not standard or widely available on commercial trucks of this vintage, typically becoming more common in the mid-2010s.
Crash-Test Ratings:
Commercial heavy-duty trucks like the Kenworth T600 are not subjected to the same standardized crash-test ratings (e.g., star ratings from NHTSA or IIHS) as passenger vehicles. Their design adheres to stringent commercial vehicle safety regulations for structural integrity, occupant protection, and braking performance. Safety is inherent in their massive construction and engineering designed for durability in commercial operations.
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 T600 Prices and Market Value
A new 2009 Kenworth T600 (or its close contemporary, the T660) typically had a sticker price ranging from approximately $100,000 to $160,000+, depending on engine, transmission, and sleeper specifications. Today, current used market prices for a 2009 model typically fall between $20,000 and $50,000, varying greatly with condition, mileage, and maintenance history. Class 8 trucks experience significant depreciation in their initial years. The 2007-2009 emissions era saw accelerated depreciation due to widespread DPF/EGR system reliability issues and higher operating costs, making these models less desirable for a period. Factors affecting resale value include engine make/model, total mileage/hours, overall mechanical condition (especially the emissions system), interior/exterior appearance, and verifiable maintenance records. A clean title and clear operational history are crucial for maximizing resale value.
2009 Kenworth T600 Cost of Ownership
Owning a 2009 Kenworth T600 is generally a costly endeavor. Commercial truck insurance can range from $8,000 to $20,000+ annually, depending on the carrier, driver, and usage. Fuel is the largest expense, with the truck averaging 5-7 MPG, leading to substantial daily costs. Maintenance is critical, with routine servicing required every 15,000-25,000 miles. Repairs, particularly for the problematic 2007 emissions systems (DPF/EGR) or major engine/drivetrain components, can easily run into thousands or even tens of thousands of dollars. Long-term ownership demands a significant budget for proactive maintenance and unexpected breakdowns, making it far from economical, despite its lower upfront used price.
2009 Kenworth T600 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2009 Kenworth T600 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 T600 Insurance
Insurance for a 2009 Kenworth T600 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 T600 Compare to Other Truck?
The 2009 Kenworth T600 (or T660, its close contemporary) competes in the Class 8 aerodynamic tractor segment against rivals like the Freightliner Cascadia, Peterbilt 386/387, Volvo VN, and International ProStar.
Performance: The T600/T660 typically offered powerful Cummins ISX or Caterpillar C15 engines, providing strong pulling power and a robust feel. It stood comparable to rivals like the Peterbilt 386/387 (often sharing powertrain components due to the PACCAR family) and generally felt more substantial than a Freightliner Cascadia of the same vintage.
Features: Kenworth was known for its premium, driver-centric interiors and durable construction. While the Cascadia might have had slightly more advanced electronics for its time and the Volvo VN emphasized integrated powertrain and safety, the T600/T660 excelled in build quality, comfort, and a classic aesthetic. Peterbilt offered a very similar feature set.
Reliability: All manufacturers struggled with the early EPA 2007 emissions technology. Therefore, the reliability of the DPF/EGR systems was a common weak point across the T600/T660 and its rivals (Cascadia, VN, ProStar). However, Kenworth's underlying chassis and cab structure maintained a strong reputation for durability, often outlasting some competitor frames.
Price: New, Kenworths generally commanded a higher price point than Freightliners or Internationals, similar to Peterbilt. On the used market today, a 2009 T600/T660 tends to hold its value slightly better than a comparable Freightliner Cascadia, often on par with a Peterbilt 386/387, reflecting its perceived quality.
Alternatives:
Performance: The T600/T660 typically offered powerful Cummins ISX or Caterpillar C15 engines, providing strong pulling power and a robust feel. It stood comparable to rivals like the Peterbilt 386/387 (often sharing powertrain components due to the PACCAR family) and generally felt more substantial than a Freightliner Cascadia of the same vintage.
Features: Kenworth was known for its premium, driver-centric interiors and durable construction. While the Cascadia might have had slightly more advanced electronics for its time and the Volvo VN emphasized integrated powertrain and safety, the T600/T660 excelled in build quality, comfort, and a classic aesthetic. Peterbilt offered a very similar feature set.
Reliability: All manufacturers struggled with the early EPA 2007 emissions technology. Therefore, the reliability of the DPF/EGR systems was a common weak point across the T600/T660 and its rivals (Cascadia, VN, ProStar). However, Kenworth's underlying chassis and cab structure maintained a strong reputation for durability, often outlasting some competitor frames.
Price: New, Kenworths generally commanded a higher price point than Freightliners or Internationals, similar to Peterbilt. On the used market today, a 2009 T600/T660 tends to hold its value slightly better than a comparable Freightliner Cascadia, often on par with a Peterbilt 386/387, reflecting its perceived quality.
Alternatives:
- Similar Alternative: A 2009 Peterbilt 386 or 387 is a very strong alternative, offering a comparable experience due to shared PACCAR engineering and similar engine options.
- Better Alternatives (depending on priority):
- For those seeking to avoid complex emissions systems entirely, a pre-2007 Kenworth T600 would be a "better" choice for simpler maintenance.
- If initial purchase cost is paramount and minor compromises on interior finish are acceptable, a 2009 Freightliner Cascadia might offer a lower entry point.
- For potentially improved emissions system refinement, considering a 2010+ model from any brand, as manufacturers gradually improved the DPF/EGR systems post-2009.
Final Verdict: Is the 2009 Kenworth T600 a Good Truck?
The 2009 Kenworth T600 is ideal for owner-operators or small fleets who value Kenworth's legendary build quality, driver comfort, and classic aerodynamic styling, and who possess strong mechanical aptitude or a reliable network of heavy-duty mechanics. It's suitable for various applications, from long-haul to regional.
Is it worth buying? Yes, but with significant caution. Its attractive used price makes it accessible, yet buyers must understand the high operational costs. The truck comes from the challenging EPA 2007 emissions era, meaning the DPF/EGR systems are prone to expensive, frequent repairs.
Therefore, it's best as a used purchase under specific conditions: a thorough pre-purchase inspection is mandatory, prioritize units with impeccable maintenance records, and ensure the engine (especially the emissions system) is in verifiable good health. Be prepared for substantial ongoing maintenance and repair expenses. Consider investing in a well-maintained sleeper trim for enhanced driver comfort and better resale potential.
Is it worth buying? Yes, but with significant caution. Its attractive used price makes it accessible, yet buyers must understand the high operational costs. The truck comes from the challenging EPA 2007 emissions era, meaning the DPF/EGR systems are prone to expensive, frequent repairs.
Therefore, it's best as a used purchase under specific conditions: a thorough pre-purchase inspection is mandatory, prioritize units with impeccable maintenance records, and ensure the engine (especially the emissions system) is in verifiable good health. Be prepared for substantial ongoing maintenance and repair expenses. Consider investing in a well-maintained sleeper trim for enhanced driver comfort and better resale potential.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.