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| Mack Granite | |
|---|---|
| Name | Mack Granite |
| Manufacturer | Mack Trucks |
| Production | 2001–present |
| Class | Heavy-duty truck |
| Body style | Conventional cab |
| Layout | Front-engine, rear-wheel drive |
| Related | Mack Pinnacle |
Mack Granite is a series of heavy-duty vocational trucks produced by Mack Trucks designed for severe-duty applications such as construction, refuse, concrete, and heavy-haul operations. Launched in the early 2000s, the Granite line competes in markets alongside vehicles from Peterbilt Motors Company, Kenworth, Volvo Trucks, and Freightliner Trucks, and has been adopted by fleets operated by Caterpillar Inc., Komatsu, and municipal agencies including the New York City Department of Sanitation.
Introduced by Mack Trucks in 2001, the Granite succeeded earlier Mack models such as the Mack DM and drew on design language from the Mack Pinnacle and Mack CH series. The platform development involved suppliers like Cummins Inc. and Allison Transmission Holdings and reflected regulatory drivers including U.S. Environmental Protection Agency emissions rules and California Air Resources Board standards. Early fleet customers included construction contractors associated with Bechtel, waste haulers contracting with Republic Services, and transit authorities such as the Chicago Department of Streets and Sanitation.
The Granite employs a conventional hood-forward configuration developed by in-house teams at Mack Trucks in collaboration with engineers from Daimler Truck North America partner firms and component vendors like Dana Incorporated and BorgWarner. The chassis integrates axles from Mack Trucks and steering components similar to those used by Western Star Trucks under contract. Cab ergonomics reflect inputs from occupational studies conducted with Occupational Safety and Health Administration-aligned consultants and trade customers from Associated Builders and Contractors and Associated General Contractors of America.
The Granite family includes vocational derivatives such as the Granite GU, Granite CV, and Granite landfill specialists, adapted for bodies by manufacturers including McNeilus Truck and Manufacturing, Heil Environmental Industries, and Mack Granite refuse bodies-style vendors. Variants cover axle configurations ranging from 4x2 to 8x6, models with set-forward axles for municipal suppliers like Los Angeles County Public Works, and heavy-haul versions used by logistics firms like Ryder System and XPO Logistics.
Powertrain options originally included diesel engines from Mack Trucks' MP series and offerings compatible with Cummins ISX families, paired with transmissions from Allison Transmission and manual gearboxes sourced historically from Eaton Corporation. Performance tuning addressed torque characteristics for mixers used by Holcim and LafargeHolcim and dump operations for contractors associated with Fluor Corporation. Emissions control systems incorporated selective catalytic reduction components tied to Bosch and exhaust aftertreatment technologies aligned with EPA Tier 4 and later standards.
The Granite is widely used in construction by firms such as Skanska, Turner Construction Company, and Bechtel Corporation for dump, mixer, and heavy-haul roles. Municipal uses include refuse collection by teams at the San Francisco Public Works and snow removal fleets at the Massachusetts Department of Transportation. Industrial applications span mining support for companies like Rio Tinto and material delivery for manufacturers including Caterpillar Inc. and Deere & Company.
Safety systems integrate features compliant with standards promoted by National Highway Traffic Safety Administration and operational telematics from providers such as Teletrac Navman and Fleetmatics. Advanced braking and stability packages use air brake components from Haldex and electronic controls influenced by research at National Transportation Safety Board investigations. Operator assistance options have included camera systems supplied by Garmin-partner vendors and fleet-management software interoperable with Oracle Corporation and SAP SE enterprise systems.
Manufactured at Mack facilities historically associated with Mack Trucks in Pennsylvania and in joint production arrangements involving Volvo Group affiliates, the Granite has been sold across North America and exported to markets served by distributors such as Mack Trucks Australia and Mack Trucks Latin America. Commercial reception among fleets including Waste Management, Inc., Balfour Beatty, and municipal agencies has emphasized chassis durability and parts support through dealer networks like Rush Enterprises and Royal Truck & Equipment. Industry coverage in publications such as Transport Topics, Heavy Duty Trucking, and Fleet Owner has tracked upgrades and model year changes.
Category:Trucks