Mack mDRIVE

Mack’s mDRIVE® is a two-pedal, automated manual built to work as a fully integrated powertrain with Mack MP® engines and Mack axles. It delivers smooth, fast shifts, reduced driver fatigue, and lower total cost of ownership. The latest mDRIVE features updated electronics, a redesigned clutch system, and up to 30% faster shifting, with selectable drive modes and intelligent shift logic that adapts to load and terrain.

For severe duty, Mack offers mDRIVE HD and mDRIVE XHD variants with optional deep-reduction (creeper) gearing and multi-speed reverse, giving precise low-speed control, better startability with heavy loads, and lighter weight than many competing transmissions.

Key Features:

• Automated Manual Transmission (AMT): The mDRIVE is an automated manual transmission, meaning it retains the mechanical advantages of a manual gearbox but automates the shifting process. This eliminates the need for a clutch pedal, offering smoother gear changes and improving driver comfort during long-haul or stop-and-go driving.
• Integrated powertrain control. The TCM coordinates with MP® engines for predictive shifts, fuel-saving strategies, and grade-aware operation; available Predictive Cruise uses map/topography data to optimize shifting on hills. Econo-Roll and Auto Neutral are also available.
• Driver-assist functions (HD/XHD). Grade Gripper anti-rollback, Rock Free, and Power Launch improve control on grades and soft surfaces; Enhanced Construction Shift and Heavy Haul Shift tailor shift schedules for rough terrain and high GCW work.
• PTO flexibility. Factory PTO integration supports single/dual/triple PTOs (DIN or SAE) and multiple speed outputs, simplifying body upfits.
• Lightweight, durable design. HD/XHD units are hundreds of pounds lighter than some alternatives, improving payload without sacrificing strength.

Popular Options & Service Notes:

• Shifter packages: Fleet and Premium (Premium unlocks added modes such as Dynamic Overdrive and comprehensive logic sets).
• PTO configurations: Rear-mounted, multiple combinations; piston or gear-driven pump options available from factory.
• Integration with PowerLeash™ engine brake: Coordinated downshifts maximize retarding on descents.

Download Mack mDRIVE Brochure

Technical Specifications:

mDRIVE
(On-Highway)

• Transmission Type: Automated Manual Transmission (AMT)
• Speeds: 12-speed (Direct or Overdrive); 13-speed (Direct, Overdrive, or Dynamic Overdrive) with low/ultra-low creepers.
• Reverse: up to 6 speeds (model/config dependent).
• Max input torque: up to 1,920–1,950 lb-ft (application/engine dependent).
• Drive modes: Economy+, Economy, Performance; manual mode via premium shifter.
• Applications: Highway haul, regional, general freight; MP7/MP8/MP8HE/MP13 engines.

mDRIVE HD / XHD
(Off-Highway)

• Transmission Type: Automated Manual Transmission (AMT)
• Speeds: 12, 13, or 14 (with deep-reduction creeper gears) and multi-speed reverse options.
• Max input torque: up to 2,060 lb-ft; HP ranges commonly 315–605 hp with MP engines.
• Special modes: Grade Gripper, Rock Free, Power Launch, Enhanced Construction Shift, Heavy Haul Shift.
• Weight advantage: Lighter than many competing HD AMTs for higher payload.
• Standard/available models: Granite®, Titan (legacy), Pinnacle®, Anthem®, TerraPro® (availability varies by market).

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800-621-3914

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