Name: Mack Trucks
Address: 7825 National Service Rd, Greensboro, NC, 27409
Telephone: 336-291-9001

mDRIVE HD and 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 2,300 lb.-ft.torque
435 to 685 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.
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.
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.

Direct Drive Specifications
+
- 13-Gear
  - Gear Ratios
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    312 kg
    Oil Capacity
    17.6 L
    Torque Capacity
    1920 lb. ft. [2600 N•m]
    Number of Speeds - Forward
    13
    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-Neutral / D-Drive / M-Manual
    Lubrication
    Splash & Pressure
- 14-Gear
  - Gear Ratios
    
    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
    
    27%
    
    5th
    
    4.35
    
    28%
    
    6th
    
    3.41
    
    28%
    
    7th
    
    2.70
    
    26%
    
    8th
    
    2.12
    
    27%
    
    9th
    
    1.63
    
    30%
    
    10th
    
    1.28
    
    27%
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    312 kg
    Oil Capacity
    17.6 L
    Torque Capacity
    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-Neutral / D-Drive / M-Manual
    Lubrication
    Splash & Pressure
Overdrive Specifications
+
- 13-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    Deep Reduction Gear
    
    17.54
    
    1st
    
    11.73
    
    2nd
    
    9.21
    
    27%
    
    3rd
    
    7.09
    
    30%
    
    4th
    
    5.57
    
    27%
    
    5th
    
    4.35
    
    28%
    
    6th
    
    3.41
    
    28%
    
    7th
    
    2.70
    
    26%
    
    8th
    
    2.12
    
    27%
    
    9th
    
    1.63
    
    30%
    
    10th
    
    1.28
    
    27%
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    312 kg
    Oil Capacity
    17.6 L
    Torque Capacity
    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-Neutral / D-Drive / M-Manual
    Lubrication
    Splash & Pressure
- 14-Gear
  - Gear Ratios
    
    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
    
    27%
    
    5th
    
    4.35
    
    28%
    
    6th
    
    3.41
    
    28%
    
    7th
    
    2.70
    
    26%
    
    8th
    
    2.12
    
    27%
    
    9th
    
    1.63
    
    30%
    
    10th
    
    1.28
    
    27%
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    312 kg
    Oil Capacity
    17.6 L
    Torque Capacity
    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-Neutral / D-Drive / M-Manual
    Lubrication
    Splash & Pressure

Resources

Mack_mDRIVE-HD-XHD_InfoSheet
Download brochure

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mDRIVE HD and XHD

Grade gripper

Winning the uphill battle

Low-Speed Deep Reduction Gears

Geared up for any job

Power Launch

Get out of the toughest spots

Complete integration

Increased driver productivity

Lighter than the rest

Length

40" [1016 MM]

Weight (Dry)

312 kg

Oil Capacity

17.6 L

Torque Capacity

1920 lb. ft. [2600 N•m]

Number of Speeds - Forward

13

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-Neutral / D-Drive / M-Manual

Lubrication

Splash & Pressure

Length

40" [1016 MM]

Weight (Dry)

312 kg

Oil Capacity

17.6 L

Torque Capacity

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-Neutral / D-Drive / M-Manual

Lubrication

Splash & Pressure

Length

40" [1016 MM]

Weight (Dry)

312 kg

Oil Capacity

17.6 L

Torque Capacity

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