m DRIVETM HD & m DRIVETM XHD
Now available with optional 13- and 14-speed deep reduction gears, the new mDRIVE™ HD and XHD provides flexible gearing for low-speed applications, as well as improved startability for heavy loads, while maintaining proper gearing for fuel efficiency at speed.
HARDENED GEARS
REINFORCED SYNCHRONISERS
MULTIPLE PTO LOCATIONS
HIGH-VISCOSITY OIL
LIGHTER THAN COMPETITORS
UP TO 2,800 LB.-FT.TORQUE
435 TO 780 HORSEPOWER
GRADE GRIPPER
Winning the uphill battle
Grade Gripper eliminates rollback by keeping your position steady on an incline for up to three seconds after the brake pedal is released.
Low-Speed Deep Reduction Gears
Geared up for any job
Mack’s mDRIVE™ HD and XHD are now engineered with additional deep reduction gears for demanding work, plus multi-speed reverse gears for more startability, maneuverability and flexibility in low-speed applications. So no matter the jobs you face, you’ve got the ability to dominate.
Power Launch
Get out of the toughest spots
When rocking won’t release your truck from sand and loose soil, mDRIVE™ HD and XHD allows you to raise the engine RPM and torque before engaging drive mode to free your vehicle from spots that would sink the other guys.
Complete integration
Part of our legendary integrated powertrain, mDRIVE™ HD and XHD work seamlessly with Mack engines and axles for better efficiency, more uptime and lower costs.
Lighter than the rest
Even though it’s built strong, mDRIVE™ HD and XHD is kilograms lighter than the competitors, so you can ditch dead weight and increase your payload.
Increased driver productivity
mDRIVE™ HD and XHD are automated, and that means less physical stress on drivers. So they can finish the job strong and stay focused.
13-GEAR Direct Drive Gear Ratios
13-GEAR Direct Drive Specifications
14-GEAR Direct Drive Gear Ratios
14-GEAR Direct Drive Specifications
13-GEAR Overdrive Gear Ratios
13-GEAR Overdrive Specifications
14-GEAR Overdrive Gear Ratios
14-GEAR Overdrive Specifications
FORWARD GEAR |
RATIO |
STEP |
| Deep Reduction Gear | 19.38 | |
| 1st | 14.94 | |
| 2nd | 11.73 | 27% |
| 3rd | 9.04 | 30% |
| 4th | 7.09 | 28% |
| 5th | 5.54 | 28% |
| 6th | 4.35 | 27% |
| 7th | 3.44 | 26% |
| 8th | 2.70 | 27% |
| 9th | 2.08 | 30% |
| 10th | 1.63 | 28% |
| 11th | 1.27 | 28% |
| 12th | 1.00 | 27% |
REVERSE GEAR |
RATIO |
STEP |
| RC | 37.49 | |
| R1 | 17.48 | |
| R2 | 13.73 | |
| R3 | 8.62 | |
| R4 | 4.02 | |
| R5 | 3.16 |
Direct Drive Specifications 13-Gear
LENGTH
40" [1016 MM]
WEIGHT (DRY)
321 kg
OIL CAPACITY
17.6 L
TORQUE RATING
2300 lb. ft. [3150 N•m]
NUMBER OF SPEEDS - FORWARD
14
NUMBER OF SPEEDS - REVERSE
4
NUMBER OF SPEEDS – MULTISPEED REVERSE
2
CASE, BELL HOUSING MATERIAL
One piece Heat treated aluminum
CASE, BELL HOUSING TYPE
SAE #1
TYPE OF GEARS
Helical
CONTROL
D panel dash mounted shifter
SHIFTER INDICATORS
R-Reverse / N-Nuetral / D-Drive / M-Manual
LUBRICATION
Splash & Pressure
FORWARD GEAR |
RATIO |
STEP |
| Deep Reduction Gear (1) | 32.04 | |
| Deep Reduction Gear (2) | 19.38 | |
| 1st | 11.73 | |
| 2nd | 9.21 | 27% |
| 3rd | 7.09 | 30% |
| 4th | 5.57 | 28% |
| 5th | 4.35 | 28% |
| 6th | 3.41 | 27% |
| 7th | 2.70 | 26% |
| 8th | 2.12 | 27% |
| 9th | 1.63 | 30% |
| 10th | 1.28 | 28% |
| 11th | 1.00 | 28% |
| 12th | 0.78 | 27% |
REVERSE GEAR |
RATIO |
STEP |
| RC | 37.49 | |
| R1 | 13.73 | |
| R2 | 10.78 | |
| R3 | 8.62 | |
| R4 | 3.16 | |
| R5 | 2.48 |
Direct Drive Specifications 14-Gear
LENGTH
40" [1016 MM]
WEIGHT (DRY)
312 kg
OIL CAPACITY
17.6 L
TORQUE RATING
2300 lb. ft. [3150 N•m]
NUMBER OF SPEEDS - FORWARD
14
NUMBER OF SPEEDS - REVERSE
4
NUMBER OF SPEEDS – MULTI REVERSE
2
CASE, BELL HOUSING MATERIAL
One piece Heat treated aluminum
CASE, BELL HOUSING TYPE
SAE #1
TYPE OF GEARS
Helical
CONTROL
D panel dash mounted shifter
SHIFTER INDICATORS
R-Reverse / N-Nuetral / D-Drive / M-Manual
LUBRICATION
Splash & Pressure
FORWARD GEAR |
RATIO |
STEP |
| Deep Reduction Gear | 17.54 | |
| 1st | 11.73 | |
| 2nd | 9.21 | 27% |
| 3rd | 7.09 | 30% |
| 4th | 5.57 | 28% |
| 5th | 4.35 | 28% |
| 6th | 3.41 | 27% |
| 7th | 2.70 | 26% |
| 8th | 2.12 | 27% |
| 9th | 1.63 | 30% |
| 10th | 1.28 | 28% |
| 11th | 1.00 | 28% |
| 12th | 0.78 | 27% |
REVERSE GEAR |
RATIO |
STEP |
| RC | 20.53 | |
| R1 | 13.73 | |
| R2 | 10.78 | |
| R3 | 3.16 | |
| R4 | 2.48 |
Over Drive Specifications 13 Gear
LENGTH
40" [1016 MM]
WEIGHT (DRY)
312 kg
OIL CAPACITY
17.6 L
TORQUE RATING
2300 lb. ft. [3150 N•m]
NUMBER OF SPEEDS - FORWARD
13
NUMBER OF SPEEDS - REVERSE
4
NUMBER OF MULTISPEEDS - REVERSE
2
CASE, BELL HOUSING MATERIAL
One piece Heat treated aluminum
CASE, BELL HOUSING TYPE
SAE #1
TYPE OF GEARS
Helical
CONTROL
D panel dash mounted shifter
SHIFTER INDICATORS
R-Reverse / N-Nuetral / D-Drive / M-Manual
LUBRICATION
Splash & Pressure
FORWARD GEAR |
RATIO |
STEP |
| Deep Reduction Gear (1) | 32.04 | |
| Deep Reduction Gear (2) | 19.38 | |
| 1st | 11.73 | |
| 2nd | 9.21 | 27% |
| 3rd | 7.09 | 30% |
| 4th | 5.57 | 28% |
| 5th | 4.35 | 28% |
| 6th | 3.41 | 27% |
| 7th | 2.70 | 26% |
| 8th | 2.12 | 27% |
| 9th | 1.63 | 30% |
| 10th | 1.28 | 28% |
| 11th | 1.00 | 28% |
| 12th | 0.78 | 27% |
REVERSE GEAR |
RATIO |
STEP |
| RC | 37.49 | |
| R1 | 13.73 | |
| R2 | 10.78 | |
| R3 | 8.62 | |
| R4 | 3.16 | |
| R5 | 2.48 |
Over Drive Specifications 14 Gear
LENGTH
40" [1016 MM]
WEIGHT (DRY)
312 kg
OIL CAPACITY
17.6 L
TORQUE RATING
2300 lb. ft. [3150 N•m]
NUMBER OF SPEEDS - FORWARD
14
NUMBER OF SPEEDS - REVERSE
4
NUMBER OF MULTISPEEDS - REVERSE
2
CASE, BELL HOUSING MATERIAL
One piece Heat treated aluminum
CASE, BELL HOUSING TYPE
SAE #1
TYPE OF GEARS
Helical
CONTROL
D panel dash mounted shifter
SHIFTER INDICATORS
R-Reverse / N-Nuetral / D-Drive / M-Manual
LUBRICATION
Splash & Pressure
Resources
mDRIVE
- AUTOMATED MANUAL TRANSMISSION
- 12-SPEEDTORQUE: 1920 LB.-FT.
- DIRECT DRIVE AND OVERDRIVE