The 2009 Mack GU813 is a heavy-duty conventional truck known for its robust construction and legendary durability. As part of Mack's long-standing tradition in commercial vehicles, the GU813 is primarily available as a tractor or a vocational truck chassis. While specific trims are less defined than in passenger vehicles, its popularity stems from its powerful performance and ability to handle demanding tasks. Pricing for a used 2009 GU813 can vary significantly based on condition and configuration, often ranging from $30,000 to $80,000 or more.
The Good
The 2009 Mack GU813 excels in raw performance and unwavering reliability, offering a sense of security for demanding jobs. Its sturdy, no-nonsense design resonates with those who value a workhorse, while surprisingly comfortable cabin features provide a practical advantage for long hauls.
The Bad
Potential buyers of the 2009 Mack GU813 should watch out for aging emissions systems, especially on pre-DEF models. Drivetrain wear, including clutch and transmission issues, is also common in high-mileage units. Electrical gremlins and rust on frame components can be problematic.
2009 Mack GU813: Quick Overview
- Engine Options: The 2009 Mack GU813 was commonly equipped with Mack's own MP8 or MP10 engines, as well as Cummins ISX engines. These are powerful, inline-six diesel engines designed for heavy-duty applications.
- Horsepower: Horsepower ratings typically ranged from approximately 400 hp to over 500 hp, depending on the specific engine model and configuration chosen by the original owner. Higher torque figures were also standard.
- Fuel Economy: Fuel economy for heavy-duty trucks like the GU813 is highly variable and depends heavily on the load, terrain, driving style, and specific powertrain. It's generally measured in miles per gallon (MPG), and figures could range from 4-7 MPG under optimal conditions.
- 0-60 Times: 0-60 mph times are not a primary metric for this class of vehicle and are largely irrelevant due to its intended purpose. Acceleration is focused on hauling power rather than speed.
- Towing Capacity: The towing capacity is substantial, designed for Class 8 applications. Depending on the axle configuration, fifth wheel rating, and chassis setup, it could handle Gross Combined Weights (GCW) well over 80,000 lbs, often exceeding 100,000 lbs for specialized applications.
- Trim-Level Features: The GU813 was not typically offered in distinct passenger-car-like trims. Instead, features were highly customizable based on vocational needs and customer specifications. Common configurations included day cabs, extended cabs, and various sleeper configurations. Key features often included robust transmissions (manual or automatic), heavy-duty axles, air suspension systems, powerful braking systems, and integrated PTO (Power Take-Off) capabilities for vocational use.
- Cab Design: The interior of the GU813 focused on functionality and driver comfort for long hours. Features included ergonomic seating, clear gauge layouts, and durable materials designed to withstand continuous use. Optional features could include upgraded infotainment systems, auxiliary heaters, and enhanced climate control.
2009 Mack GU813 Specifications
Vehicle Information
| Year | 2009 |
| Make | Mack |
| Model | GU813 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Heavy Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | MACUNGIE |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 330001 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 12.7L I6 |
| Engine Size | 12.7L |
| Engine Cylinders | 6 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
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 Mack GU813 Have?
The 2009 Mack GU813, like many heavy-duty trucks of its era, can experience issues related to its powertrain and emissions systems. A significant concern for trucks around this model year is the complexity and potential failure points of the Exhaust Gas Recirculation (EGR) system and Diesel Particulate Filters (DPF), which were becoming more stringent. These systems, if not properly maintained, can lead to reduced engine performance, increased fuel consumption, and costly repairs. Owners have reported issues with EGR cooler leaks, clogged DPFs, and associated sensors.
Another area to scrutinize is the transmission. While Mack's own Maxitorque transmissions are generally robust, wear and tear over time, especially with heavy use or improper shifting, can lead to clutch issues, synchronizer wear, or gear problems. Automatic transmissions, such as the Allison units often paired with these engines, can also develop electronic or hydraulic faults.
The electrical system is another common source of problems in older heavy-duty trucks. Wiring harnesses can degrade over time, leading to intermittent issues with lights, gauges, or various control modules. Corrosion, especially in trucks operating in harsh environments or coastal areas, can exacerbate these electrical problems.
Regarding recalls, it's essential to check the National Highway Traffic Safety Administration (NHTSA) database for any specific recalls that may have been issued for the 2009 GU813 model year. Recalls for trucks of this age often pertain to braking system components, steering system integrity, or potential fire hazards related to fuel or electrical systems. Owners should also be aware of potential long-term reliability concerns with the aging of major components like the engine and transmission, which can be expensive to rebuild or replace. Regular and thorough maintenance is paramount to mitigating these issues.
Another area to scrutinize is the transmission. While Mack's own Maxitorque transmissions are generally robust, wear and tear over time, especially with heavy use or improper shifting, can lead to clutch issues, synchronizer wear, or gear problems. Automatic transmissions, such as the Allison units often paired with these engines, can also develop electronic or hydraulic faults.
The electrical system is another common source of problems in older heavy-duty trucks. Wiring harnesses can degrade over time, leading to intermittent issues with lights, gauges, or various control modules. Corrosion, especially in trucks operating in harsh environments or coastal areas, can exacerbate these electrical problems.
Regarding recalls, it's essential to check the National Highway Traffic Safety Administration (NHTSA) database for any specific recalls that may have been issued for the 2009 GU813 model year. Recalls for trucks of this age often pertain to braking system components, steering system integrity, or potential fire hazards related to fuel or electrical systems. Owners should also be aware of potential long-term reliability concerns with the aging of major components like the engine and transmission, which can be expensive to rebuild or replace. Regular and thorough maintenance is paramount to mitigating these issues.
How long will the 2009 Mack GU813 last?
The 2009 Mack GU813 is built for longevity, with many units still actively operating well beyond 500,000 miles, and some exceeding 1 million miles. With diligent maintenance, including regular fluid changes, filter replacements, and proactive component checks, these trucks can achieve an impressive service life of 15-20 years or more. Their long-term durability is a hallmark of Mack's engineering. However, weaknesses can emerge over time, particularly with the emissions control systems (EGR, DPF), which may require significant attention or replacement. Drivetrain components like clutches and transmissions, as well as the chassis frame and suspension, can also experience wear under continuous heavy loads, necessitating eventual repairs or rebuilds to maintain optimal performance and safety.
What Technology & Safety Features are Included?
The 2009 Mack GU813, as a heavy-duty work truck, prioritizes functionality and driver-focused technology over extensive infotainment or advanced driver-assistance systems common in passenger vehicles. Built-in tech primarily revolves around the truck's operational aspects. Standard features would include a comprehensive analog and digital gauge cluster providing vital information on engine performance, fluid levels, and system diagnostics. Basic climate control (heating and air conditioning) was standard, with manual adjustments. Audio systems were typically simple AM/FM radios, with optional CD players or even satellite radio integration available on higher specifications.
Driver-assistance features were very limited in 2009 for this class. While advanced cruise control or lane departure warnings were not common, robust anti-lock braking systems (ABS) were standard for safety. Electronic stability control was beginning to be implemented in heavy trucks, but its availability on the GU813 would depend on specific configurations and optional packages.
Safety features were centered on structural integrity and braking. The heavy-duty chassis and robust cab construction offered inherent protection. Optional safety features could include enhanced lighting packages, heated mirrors for improved visibility, and sometimes backup alarms. Fog lights and work lights were also common additions for vocational applications.
Crash-test ratings for heavy-duty commercial trucks like the Mack GU813 are not typically conducted or published by organizations like the NHTSA in the same manner as passenger cars. The design focus is on mitigating damage and protecting occupants in severe conditions, often through a combination of frame strength, cab reinforcement, and engineered crumple zones. Specific optional packages might have included features like limited slip differentials for improved traction in adverse conditions, which indirectly contribute to safety.
Driver-assistance features were very limited in 2009 for this class. While advanced cruise control or lane departure warnings were not common, robust anti-lock braking systems (ABS) were standard for safety. Electronic stability control was beginning to be implemented in heavy trucks, but its availability on the GU813 would depend on specific configurations and optional packages.
Safety features were centered on structural integrity and braking. The heavy-duty chassis and robust cab construction offered inherent protection. Optional safety features could include enhanced lighting packages, heated mirrors for improved visibility, and sometimes backup alarms. Fog lights and work lights were also common additions for vocational applications.
Crash-test ratings for heavy-duty commercial trucks like the Mack GU813 are not typically conducted or published by organizations like the NHTSA in the same manner as passenger cars. The design focus is on mitigating damage and protecting occupants in severe conditions, often through a combination of frame strength, cab reinforcement, and engineered crumple zones. Specific optional packages might have included features like limited slip differentials for improved traction in adverse conditions, which indirectly contribute to safety.
What Colors Options are Available?
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2009 Mack GU813 Prices and Market Value
When new, a 2009 Mack GU813 could range from approximately $100,000 to $180,000 or more, depending heavily on the engine, transmission, axle configurations, and specific vocational upfitting. As a used vehicle, the 2009 Mack GU813 currently (as of late 2023/early 2024) typically sells for between $30,000 and $80,000. Depreciation is less steep in the commercial truck market compared to passenger vehicles, as these trucks are built for long service lives and maintain utility. Factors significantly affecting resale value include mileage, overall condition (engine, transmission, body), maintenance history, emissions compliance, and specific vocational features (e.g., dump body, crane). Trucks with lower mileage, well-maintained records, and desirable configurations hold their value better.
2009 Mack GU813 Cost of Ownership
Owning a 2009 Mack GU813 is generally considered costly, reflecting its heavy-duty nature. Insurance premiums will be significantly higher than for a standard vehicle, depending on usage, cargo, and driver history. Fuel costs are substantial, with MPG typically in the 4-7 range, highly dependent on load and terrain. Maintenance and repair costs are also considerable; while built tough, parts and labor for a Class 8 truck are expensive. Routine maintenance is crucial for longevity. Overall, the GU813 is a powerful work tool, but its operational and maintenance expenses make it a costly vehicle to own, justified by its productivity and durability in demanding applications.
2009 Mack GU813 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2009 Mack GU813 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 Mack GU813 Insurance
Insurance for a 2009 Mack GU813 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2009 Mack GU813 Compare to Other Truck?
The 2009 Mack GU813 competes in the highly demanding Class 8 vocational and over-the-road truck segment. Its primary rivals include trucks from manufacturers like Peterbilt (e.g., Model 379, 386), Kenworth (e.g., T800, W900), Freightliner (e.g., Columbia CL112, Argosy), and International (e.g., ProStar).
Performance: The GU813, typically featuring Mack's own robust MP series engines or Cummins ISX powerplants, offers strong hauling performance and torque suitable for heavy loads and demanding vocational applications. Rivals generally offer comparable engine options with similar horsepower and torque figures. Mack's C-ride or Airglide suspension systems provided a good balance of ride comfort and load-carrying capability, competing well with the suspension offerings from Peterbilt and Kenworth.
Features: In 2009, feature sets in this segment were focused on utility and driver ergonomics rather than advanced tech. The GU813 offered a practical, no-frills interior designed for durability. Competitors like Peterbilt and Kenworth were also known for their driver-centric cabins and robust build quality. Freightliner sometimes offered more modern, aerodynamic designs with its Argosy model, appealing to a slightly different aesthetic. International's ProStar aimed for a balance of efficiency and comfort.
Reliability: Mack trucks have a long-standing reputation for durability and robust construction, often seen as a strong point for the GU813. While all heavy trucks require significant maintenance, Macks are generally considered very reliable and built to last. Peterbilt and Kenworth are also renowned for their build quality and longevity, often considered peer competitors in terms of reliability. Freightliner and International, while capable, sometimes had a perception of being slightly less robust in the long term compared to the traditional American brands, though this can vary significantly by specific model and maintenance.
Price: Used prices for a 2009 GU813 are competitive. Trucks from Peterbilt and Kenworth of similar age and configuration often command slightly higher resale values due to strong brand loyalty and perceived prestige. Freightliner and International might be found at slightly lower price points, potentially offering a better value for buyers on a tighter budget, provided they meet specific operational needs.
Alternatives: Similar alternatives include the Peterbilt 379/386, Kenworth T800/W900, and Freightliner FLD/Columbia. For a slightly different approach to aerodynamics and potentially better fuel efficiency on long-haul routes, the Freightliner Argosy or International ProStar could be considered. However, for raw vocational capability and proven durability, the 2009 Mack GU813 remains a very strong contender.
Performance: The GU813, typically featuring Mack's own robust MP series engines or Cummins ISX powerplants, offers strong hauling performance and torque suitable for heavy loads and demanding vocational applications. Rivals generally offer comparable engine options with similar horsepower and torque figures. Mack's C-ride or Airglide suspension systems provided a good balance of ride comfort and load-carrying capability, competing well with the suspension offerings from Peterbilt and Kenworth.
Features: In 2009, feature sets in this segment were focused on utility and driver ergonomics rather than advanced tech. The GU813 offered a practical, no-frills interior designed for durability. Competitors like Peterbilt and Kenworth were also known for their driver-centric cabins and robust build quality. Freightliner sometimes offered more modern, aerodynamic designs with its Argosy model, appealing to a slightly different aesthetic. International's ProStar aimed for a balance of efficiency and comfort.
Reliability: Mack trucks have a long-standing reputation for durability and robust construction, often seen as a strong point for the GU813. While all heavy trucks require significant maintenance, Macks are generally considered very reliable and built to last. Peterbilt and Kenworth are also renowned for their build quality and longevity, often considered peer competitors in terms of reliability. Freightliner and International, while capable, sometimes had a perception of being slightly less robust in the long term compared to the traditional American brands, though this can vary significantly by specific model and maintenance.
Price: Used prices for a 2009 GU813 are competitive. Trucks from Peterbilt and Kenworth of similar age and configuration often command slightly higher resale values due to strong brand loyalty and perceived prestige. Freightliner and International might be found at slightly lower price points, potentially offering a better value for buyers on a tighter budget, provided they meet specific operational needs.
Alternatives: Similar alternatives include the Peterbilt 379/386, Kenworth T800/W900, and Freightliner FLD/Columbia. For a slightly different approach to aerodynamics and potentially better fuel efficiency on long-haul routes, the Freightliner Argosy or International ProStar could be considered. However, for raw vocational capability and proven durability, the 2009 Mack GU813 remains a very strong contender.
Final Verdict: Is the 2009 Mack GU813 a Good Truck?
The 2009 Mack GU813 is ideal for owner-operators, small fleets, and businesses requiring a robust, reliable, and powerful workhorse for demanding vocational applications or heavy-duty hauling. It's particularly well-suited for construction, logging, refuse, or long-haul freight where durability and uptime are paramount. This truck is worth buying if acquired at a fair price with a thorough inspection, especially on the used market. Given its age, purchasing a well-maintained unit with documented service history is crucial. While new models offer modern amenities, a carefully selected used GU813 can provide exceptional value for its longevity and capability, provided the buyer is prepared for the associated maintenance costs typical of heavy-duty trucks.
Drew B
Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma