2012 Mack GU700 Overview, Reviews, Ratings & Specs
The 2012 Mack GU700 is a robust vocational truck, often utilized in construction, refuse, and heavy-duty hauling. As part of Mack's esteemed lineup, the GU700 is known for its durable construction and powerful performance. While specific trim levels can vary based on application, its core design emphasizes ruggedness and functionality. Pricing can range significantly based on configuration and condition, but it remains a popular choice for its long-term value and reliability in demanding environments.
The Good
The 2012 Mack GU700 excels with its legendary reliability and powerful, workhorse performance. Its robust design inspires confidence for tough jobs, while surprisingly comfortable cabins offer a degree of driver ease. This truck represents enduring value, a solid investment for operators who demand dependability and longevity from their equipment.
The Bad
Potential weaknesses for the 2012 Mack GU700 can include its age, leading to wear and tear on various components like suspension and braking systems. Some owners report that fuel efficiency might not be competitive with newer models, and diagnostic systems can sometimes be complex to troubleshoot. Regular maintenance is crucial to mitigate these issues.
2012 Mack GU700: Quick Overview
- Engine Options: The 2012 Mack GU700 typically features Mack's renowned MP8 or MP7 engines. These are heavy-duty diesel engines designed for durability and power. The MP8 is a 12.8-liter inline-6, while the MP7 is a 10.8-liter inline-6. Both are known for their robust construction and performance in demanding vocational applications.
- Horsepower: Horsepower ratings for the Mack MP8 engine typically range from 435 to 505 horsepower. For the MP7 engine, horsepower generally falls between 325 and 405 horsepower. These figures are more than adequate for the challenging tasks these trucks are designed for, providing ample power for hauling and uphill climbs.
- Fuel Economy: Specific MPG figures for heavy-duty vocational trucks like the 2012 Mack GU700 are not typically published in the same way as light-duty vehicles. Fuel economy is highly dependent on the specific engine, transmission, axle ratios, payload, terrain, and driving style. Owners often report that fuel economy can range from 5-8 miles per gallon under heavy load conditions.
- 0-60 Times: 0-60 mph times are largely irrelevant for this class of vehicle and are not a meaningful metric. These trucks are built for hauling and work, not for rapid acceleration. When empty, acceleration would be brisk for their size, but laden times would be significantly longer and dependent on the weight being carried.
- Towing Capacity: The towing capacity of the 2012 Mack GU700 is substantial and depends heavily on its specific configuration, including chassis, axle ratings, fifth-wheel rating (if applicable), and braking system. For typical vocational applications like dump trucks or heavy haulers, towing capacities can range from 50,000 lbs to well over 100,000 lbs when properly equipped and within legal limits.
- Trim-Level Features: While not segmented into traditional consumer trim levels, the GU700 is highly customizable based on its intended vocational use. Key features often include heavy-duty frames, robust suspension systems (e.g., parabolic taper leaf springs, multi-leaf springs), various axle configurations (single, tandem, tridem), powerful braking systems (air brakes), and specialized bodies such as dump beds, concrete mixers, or van bodies. Interior features focus on durability and functionality, with sturdy materials and straightforward controls.
2012 Mack GU700 Specifications
Vehicle Information
| Year | 2012 |
| Make | Mack |
| Model | GU700 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Medium Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | MACUNGIE |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 33001 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 12.7L L6 |
| 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 2012 Mack GU700 Have?
The 2012 Mack GU700, like many heavy-duty trucks of its era, can experience common issues related to high mileage and continuous use. Frequently reported problems often revolve around the powertrain and its related systems. Owners sometimes cite issues with the fuel injection system, particularly with older diesel technology where injectors can become clogged or fail over time, leading to reduced performance and increased emissions. Transmission problems, while generally robust, can emerge, especially with the automated manual transmissions (AMTs) if not properly maintained, leading to shifting issues or clutch wear. The exhaust gas recirculation (EGR) system is another area that can be prone to clogging or sensor failures, especially when subjected to frequent short trips or less than ideal fuel quality, which can impact engine performance and trigger check engine lights. Electrical gremlins are also not uncommon in older trucks, with wiring harnesses potentially becoming brittle or connections corroding, leading to intermittent issues with lights, sensors, or control modules. The air brake system requires diligent maintenance; leaks or worn components can affect braking performance and safety.
Regarding recalls, specific to the 2012 model year, it is essential to check the National Highway Traffic Safety Administration (NHTSA) database for any issued recalls that might apply to a particular VIN. Recalls can cover a range of issues from potential fire hazards to braking system defects.
Long-term reliability concerns often hinge on the quality of maintenance performed. Trucks that have been regularly serviced with genuine parts, had fluid changes performed on schedule, and been operated within their designed parameters tend to be far more reliable. Conversely, trucks used in extremely harsh conditions or those with neglected maintenance may experience premature failures of major components like the engine or transmission. While Mack trucks are built for durability, the sheer age of a 2012 model means that component fatigue is a factor, and owners should be prepared for potential repairs, especially on aging cooling systems, suspension components, and driveline parts.
Regarding recalls, specific to the 2012 model year, it is essential to check the National Highway Traffic Safety Administration (NHTSA) database for any issued recalls that might apply to a particular VIN. Recalls can cover a range of issues from potential fire hazards to braking system defects.
Long-term reliability concerns often hinge on the quality of maintenance performed. Trucks that have been regularly serviced with genuine parts, had fluid changes performed on schedule, and been operated within their designed parameters tend to be far more reliable. Conversely, trucks used in extremely harsh conditions or those with neglected maintenance may experience premature failures of major components like the engine or transmission. While Mack trucks are built for durability, the sheer age of a 2012 model means that component fatigue is a factor, and owners should be prepared for potential repairs, especially on aging cooling systems, suspension components, and driveline parts.
How long will the 2012 Mack GU700 last?
Estimating average mileage for a 2012 Mack GU700 is challenging due to the wide variety of vocational uses, but it's not uncommon to see these trucks operating well beyond 500,000 miles, and many can reach over 1 million miles with diligent maintenance. With typical usage in construction or long-haul applications, a 2012 model might accumulate 50,000 to 100,000 miles per year. Long-term durability is a hallmark of Mack trucks; their robust chassis and powertrain are designed for longevity. However, over time, owners might encounter increased wear on suspension components, exhaust systems, and engine accessories. Weaknesses that can develop with age include potential corrosion on the frame and body, especially in areas with harsh climates, and the gradual degradation of seals and hoses throughout the vehicle. Regular preventative maintenance and prompt attention to minor issues are key to maximizing the lifespan and minimizing costly repairs, ensuring the GU700 remains a dependable workhorse for many years.
What Technology & Safety Features are Included?
The 2012 Mack GU700, as a vocational truck, prioritizes functionality and durability over cutting-edge infotainment or extensive driver-assistance systems often found in modern passenger vehicles. Built-in technology typically focuses on operational efficiency and diagnostics. The instrument cluster provides essential information regarding engine status, fuel levels, air pressure, and system warnings. Some models may have basic radio and CD player options for driver comfort, but advanced infotainment systems with touchscreens or integrated navigation are rare.
Driver-assistance features are minimal by today's standards. While ABS (Anti-lock Braking System) is a standard safety feature for its class, more advanced systems like lane departure warning, adaptive cruise control, or forward collision mitigation were generally not available or were highly specialized optional add-ons for specific fleet applications. The emphasis is on the driver's direct control and awareness.
Safety features are primarily focused on structural integrity and essential active safety systems. This includes the robust frame construction, heavy-duty braking systems, and potentially features like hill start assist. Visibility is generally good due to the truck's commanding driving position.
Crash-test ratings are not typically performed or published by organizations like the IIHS or NHTSA for heavy-duty vocational trucks in the same way they are for light-duty vehicles. The design inherently addresses the significant forces involved in commercial vehicle operation and potential collisions through reinforced cab structures and safety glass. Optional features might include enhanced lighting packages, various camera systems for improved visibility during maneuvering, or specialized telematics for fleet management and driver behavior monitoring. The 2012 GU700 relies on its sheer strength and the experience of its operator for safety.
Driver-assistance features are minimal by today's standards. While ABS (Anti-lock Braking System) is a standard safety feature for its class, more advanced systems like lane departure warning, adaptive cruise control, or forward collision mitigation were generally not available or were highly specialized optional add-ons for specific fleet applications. The emphasis is on the driver's direct control and awareness.
Safety features are primarily focused on structural integrity and essential active safety systems. This includes the robust frame construction, heavy-duty braking systems, and potentially features like hill start assist. Visibility is generally good due to the truck's commanding driving position.
Crash-test ratings are not typically performed or published by organizations like the IIHS or NHTSA for heavy-duty vocational trucks in the same way they are for light-duty vehicles. The design inherently addresses the significant forces involved in commercial vehicle operation and potential collisions through reinforced cab structures and safety glass. Optional features might include enhanced lighting packages, various camera systems for improved visibility during maneuvering, or specialized telematics for fleet management and driver behavior monitoring. The 2012 GU700 relies on its sheer strength and the experience of its operator for safety.
What Colors Options are Available?
2012 Mack GU700 Prices and Market Value
When new, the 2012 Mack GU700, being a configurable vocational truck, had a price range that varied immensely based on its specific configuration, engine, chassis, and any specialized bodywork. Base models could start in the $100,000s, but highly customized units for demanding applications could easily exceed $200,000 or more. On the used market today, the 2012 Mack GU700 typically ranges from $25,000 to $70,000, heavily dependent on mileage, condition, maintenance history, and the specific vocational setup (e.g., dump truck, tractor, etc.).
Depreciation is less about a fixed percentage and more about utility value for these workhorses. A well-maintained GU700 in a sought-after configuration will hold its value significantly better than one that is heavily used, neglected, or has an outdated vocational setup. Factors affecting resale value include the overall condition of the engine and transmission, the integrity of the chassis and body, tire condition, and any recent major repairs or upgrades. Reputation for reliability also plays a crucial role in its desirability in the used market.
Depreciation is less about a fixed percentage and more about utility value for these workhorses. A well-maintained GU700 in a sought-after configuration will hold its value significantly better than one that is heavily used, neglected, or has an outdated vocational setup. Factors affecting resale value include the overall condition of the engine and transmission, the integrity of the chassis and body, tire condition, and any recent major repairs or upgrades. Reputation for reliability also plays a crucial role in its desirability in the used market.
2012 Mack GU700 Cost of Ownership
Owning a 2012 Mack GU700 is generally considered costly due to its heavy-duty nature. Insurance premiums will be substantial, reflecting the vehicle's value, payload capacity, and risk profile. Fuel costs are significant; while specific MPG varies, expect to pay a premium for diesel, especially when under load. Maintenance and repair costs are considerable. While built for durability, components are larger, more expensive, and labor rates for heavy-duty mechanics are higher. Regular, preventative maintenance is crucial to avoid costly breakdowns. Overall, the 2012 Mack GU700 is not an economical vehicle to own for casual use; its cost is justified by its capability and longevity in demanding commercial operations.
2012 Mack GU700 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2012 Mack GU700 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
2012 Mack GU700 Insurance
Insurance for a 2012 Mack GU700 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2012 Mack GU700 Compare to Other Truck?
The 2012 Mack GU700 competes in the heavy-duty vocational truck segment against strong contenders like the International WorkStar, Peterbilt Model 367/384, and Kenworth T800/T880.
Performance: In terms of raw power and hauling capability, the GU700, with its Mack MP engines, is generally on par with its rivals. Mack engines are known for their torque and durability, often preferred for severe service applications. International WorkStar also offers robust powertrains, while Peterbilt and Kenworth are renowned for their strong performance in both on-road and off-road vocational roles.
Features: When comparing features, the 2012 GU700, like its contemporaries, is more function-oriented than feature-rich compared to modern trucks. Basic amenities are standard, but advanced tech and driver aids are sparse. Rivals like Peterbilt and Kenworth may have offered slightly more advanced cab designs or optional comfort features, catering to longer haul vocational needs. International's WorkStar is also a direct competitor in offering ruggedness and a focus on specific vocational needs.
Reliability: Mack has a legendary reputation for reliability and durability, especially in harsh working conditions, which the GU700 embodies. This is a significant selling point. International, Peterbilt, and Kenworth also have strong reliability records in their respective classes, often considered equally dependable, though specific model strengths can vary.
Price: As a used vehicle, the 2012 Mack GU700 typically offers competitive pricing within its segment. Its value proposition lies in its robust build quality and the potential for a long service life. Depending on the specific configuration and condition, it often provides a strong balance of capability and cost compared to its rivals.
Alternatives:
* Similar Alternatives: If you are looking for a direct competitor with a similar philosophy of ruggedness and reliability, consider a used **Peterbilt Model 367** or **Kenworth T800**. These trucks offer comparable performance and durability. The **International WorkStar** is another strong contender, especially if specific vocational needs align with its offerings.
* Potentially Better Alternatives (depending on needs): For slightly more modern features or improved fuel efficiency (though this is subjective in heavy vocational trucks), a newer model from any of these brands (e.g., a 2015+ Kenworth T880 or Peterbilt 567) might be considered, but at a higher price point. For extreme off-road or specialized applications, some might look at models with specific chassis designs that exceed the GU700's capabilities, though these are often more niche.
Performance: In terms of raw power and hauling capability, the GU700, with its Mack MP engines, is generally on par with its rivals. Mack engines are known for their torque and durability, often preferred for severe service applications. International WorkStar also offers robust powertrains, while Peterbilt and Kenworth are renowned for their strong performance in both on-road and off-road vocational roles.
Features: When comparing features, the 2012 GU700, like its contemporaries, is more function-oriented than feature-rich compared to modern trucks. Basic amenities are standard, but advanced tech and driver aids are sparse. Rivals like Peterbilt and Kenworth may have offered slightly more advanced cab designs or optional comfort features, catering to longer haul vocational needs. International's WorkStar is also a direct competitor in offering ruggedness and a focus on specific vocational needs.
Reliability: Mack has a legendary reputation for reliability and durability, especially in harsh working conditions, which the GU700 embodies. This is a significant selling point. International, Peterbilt, and Kenworth also have strong reliability records in their respective classes, often considered equally dependable, though specific model strengths can vary.
Price: As a used vehicle, the 2012 Mack GU700 typically offers competitive pricing within its segment. Its value proposition lies in its robust build quality and the potential for a long service life. Depending on the specific configuration and condition, it often provides a strong balance of capability and cost compared to its rivals.
Alternatives:
* Similar Alternatives: If you are looking for a direct competitor with a similar philosophy of ruggedness and reliability, consider a used **Peterbilt Model 367** or **Kenworth T800**. These trucks offer comparable performance and durability. The **International WorkStar** is another strong contender, especially if specific vocational needs align with its offerings.
* Potentially Better Alternatives (depending on needs): For slightly more modern features or improved fuel efficiency (though this is subjective in heavy vocational trucks), a newer model from any of these brands (e.g., a 2015+ Kenworth T880 or Peterbilt 567) might be considered, but at a higher price point. For extreme off-road or specialized applications, some might look at models with specific chassis designs that exceed the GU700's capabilities, though these are often more niche.
Final Verdict: Is the 2012 Mack GU700 a Good Truck?
The 2012 Mack GU700 is ideal for businesses and owner-operators who require a no-nonsense, highly durable vocational truck for demanding applications such as construction, refuse hauling, or heavy material transport. It's a workhorse built for longevity and tough jobs, not for comfort or advanced technology.
It is absolutely worth buying if you prioritize robust construction, proven reliability, and a truck that can withstand extreme conditions, and if you have a solid maintenance plan in place. The primary condition for purchase should be as a used vehicle, as new models would be significantly different and more expensive.
Buying used is the only practical option for most. Focus on specific configurations that match your intended use. Thorough pre-purchase inspection by a qualified heavy-duty mechanic is paramount to identify any potential wear or issues. If you find a well-maintained GU700 with a good service history that fits your operational needs, it represents excellent value and a sound investment for long-term service.
It is absolutely worth buying if you prioritize robust construction, proven reliability, and a truck that can withstand extreme conditions, and if you have a solid maintenance plan in place. The primary condition for purchase should be as a used vehicle, as new models would be significantly different and more expensive.
Buying used is the only practical option for most. Focus on specific configurations that match your intended use. Thorough pre-purchase inspection by a qualified heavy-duty mechanic is paramount to identify any potential wear or issues. If you find a well-maintained GU700 with a good service history that fits your operational needs, it represents excellent value and a sound investment for long-term service.