Mack Granite Dump Truck Specifications: Power, Durability, and Performance catdumptruck.com | When it comes to rugged performance and reliable hauling, the Mack Granite dump truck stands as one of the most recognized and trusted names in the trucking industry.
Known for its tough build, versatile configuration options, and powerful engine choices, the Mack Granite is engineered to meet the toughest demands in construction, mining, and heavy-duty hauling.
If you’re considering adding one to your fleet or simply want to learn more, here’s a detailed look at the Mack Granite dump truck specifications that make it a standout in its class.
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Mack Granite Dump Truck Specifications: Power, Durability, and Performance
Overview of the Mack Granite Series
The Mack Granite series was introduced to offer a modern take on Mack’s heavy-duty vocational trucks. It replaced older models like the RD and CL series and quickly became a go-to option for businesses that prioritize durability and efficiency.
The Granite is a versatile platform designed to handle a variety of tasks, from aggregate hauling to snowplowing, thanks to its customizable frames, axle configurations, and engine options.
Engine Specifications
The heart of any Mack Granite dump truck is its engine, and Mack offers several powerhouse options under the hood. The most popular engines for the Granite series are the Mack MP7 and MP8 diesel engines.
Mack MP7 Engine:
- Displacement: 11.0 Liters
- Horsepower: 325 to 425 HP
- Torque: 1,260 to 1,560 lb-ft
Known for fuel efficiency and ideal for medium to heavy vocational work.
Mack MP8 Engine:
- Displacement: 13.0 Liters
- Horsepower: 415 to 505 HP
- Torque: 1,460 to 1,860 lb-ft
Built for more power-demanding jobs, ideal for larger loads and steeper gradients.
Both engines are known for their reliability, fuel efficiency, and long service life, especially when maintained according to Mack’s standards.
Transmission Options
Mack Granite dump trucks offer a variety of transmission systems, designed to suit different driving preferences and job site needs:
- Mack mDRIVE Automated Manual Transmission (AMT):
- Offers smooth shifting and superior fuel economy.
- Reduced driver fatigue compared to manual gearboxes.
Available with 12-speed and 14-speed variants, including vocational-focused configurations.
Manual Transmissions:
- Mack Maxitorque ES Manual: Built for drivers who prefer complete control over gear changes.
- Available in 9-, 10-, 13-, and 18-speed configurations.
Axles and Suspension
Depending on the job, the Granite can be configured with single, tandem, or tri-drive axles. Here are some typical specs:
Front Axles:
- Ratings from 12,000 to 20,000 lbs.
- Standard or optional Mack proprietary axles.
Rear Axles:
- Ratings from 23,000 to 46,000 lbs.
- Options for Mack proprietary axles or Meritor axles.
Suspension Options:
- Mack Camelback: Known for toughness and ideal for off-road and heavy load conditions.
- mRIDE: Enhanced articulation for rough terrain and comfortable ride quality.
- Air Ride Suspension: For highway and mixed-use jobs requiring smoother handling.
Frame and Body Specifications
Mack Granite dump trucks offer high tensile strength frames built for heavy-duty performance:
Frame Rail Options:
- 300-120K PSI tensile strength steel.
- Customizable rail sizes and thickness for varying load demands.
Wheelbase Range:
- Flexible wheelbase configurations from around 180 to 300 inches depending on the body and axle setup.
Body Length and Capacity:
Dump bodies generally range from 10 to 20 feet, with payload capacities between 10 and 20 cubic yards depending on the material and body style.
Cab and Comfort Features
Although the Mack Granite is primarily a workhorse, comfort and functionality have not been overlooked. The modern Granite cab is designed with operator efficiency and safety in mind:
Cab Construction:
- High-strength steel for occupant protection.
- Ergonomically designed dash for easy access to controls.
Interior Features:
- Air-suspended driver’s seat.
- Integrated HVAC systems.
- Multiple storage compartments and cupholders.
Technology and Safety:
- Available Mack Co-Pilot driver information display.
- Advanced braking systems including ABS and traction control.
- Optional camera systems for enhanced visibility.
Fuel Capacity
- Mack Granite dump trucks typically come with a dual or single tank setup:
Fuel Tank Sizes:
- Ranges from 50 to 150 gallons per tank.
- Total fuel capacity can exceed 200 gallons for long-haul or high-demand operations.
Versatility and Customization
One of the Mack Granite’s standout qualities is its ability to be tailored to specific industries and applications. Whether you need a lightweight setup for local hauling or a heavy-spec rig for rough terrain, Mack dealers offer a wide variety of configurations, including:
- Dump trucks
- Snowplows
- Flatbeds
- Mixers
- Tankers
Why Choose a Mack Granite Dump Truck?
If you value strength, serviceability, and long-term value, the Mack Granite is hard to beat. Its specifications allow for diverse configurations, whether you prioritize maximum payload or all-terrain mobility.
Designed to withstand years of rugged worksite abuse, the Granite provides an ideal blend of modern technology and old-school durability.
Conclusion
The Mack Granite dump truck is an industry icon for a reason. Whether it’s the powerful MP7 and MP8 engines, versatile axle configurations, or comfortable cab design, every element of the Granite is built for demanding applications and operator satisfaction.
When properly spec’d and maintained, the Mack Granite isn’t just a dump truck—it’s a reliable business asset that delivers consistent performance year after year.
For anyone considering a Mack Granite dump truck, understanding its specifications is the first step in making an investment that will pay dividends in productivity, uptime, and durability. From construction sites to quarries and everything in between, the Granite is engineered to handle it all.
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