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

mDRIVE™ HD

Now available with optional 13- and 14-speed creeper gears, the new mDRIVE™ HD 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 synchronizers
Multiple PTO locations
High-viscosity oil
237 lbs. lighter than competitors
2,060 lb.-ft.torque
315 to 605 horsepower

Low-speed Creeper Gears

Geared up for any job

Mack’s mDRIVE™ HD is now engineered with two additional low gear ratios for vocational work, plus multi-speed reverse gears for more startability, maneuverability and flexibility in low-speed applications. So no matter the job, 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 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. (Available with Performance shifter package)
Grade Gripper

Winning the uphill battle

Grade Gripper holds the truck on an incline for up to three seconds after the brake pedal is released. So there’s no dangerous or awkward rolling backwards when stopping on a grade.

Complete integration

Part of our legendary integrated powertrain, mDRIVE™ HD works seamlessly with Mack engines and axles for better efficiency, more uptime and lower costs.
Increased driver productivity

mDRIVE™ HD is 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 is hundreds of pounds lighter than the competitors, so you can ditch dead weight and increase your payload.

Direct Drive Specifications
+
- 12-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    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
    
    1st
    
    17.48
    
    2nd
    
    13.73
  - Specifications
    Length
    35.1" [891 MM]
    Weight (Dry)
    597 lb. [271 kg]
    Oil Capacity
    16.9 Quarts [16 L]
    Torque Rating
    1920 lb. ft. [2600 N•m]
    Number of Speeds - Forward
    12
    Number of Speeds - 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
- 13-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    Creeper
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    687 lb. [312 kg]
    Oil Capacity
    19.5 Quarts [18.5 L]
    Torque Rating
    1920 lb. ft. [2600 N•m]
    Number of Speeds - Forward
    13
    Number of Speeds - Reverse
    4
    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
Overdrive Specifications
+
- 12-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    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
    
    1st
    
    13.73
    
    2nd
    
    10.78
  - Specifications
    Length
    35.1" [891 MM]
    Weight (Dry)
    597 lb. [271 kg]
    Oil Capacity
    16.9 Quarts [16 L]
    Torque Rating
    1920 lb. ft. [2600 N•m]
    Number of Speeds - Forward
    12
    Number of Speeds - 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
- 13-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    Creeper
    
    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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    687 lb. [312 kg]
    Oil Capacity
    19.5 Quarts [18.5 L]
    Torque Rating
    1920 lb. ft. [2600 N•m]
    Number of Speeds - Forward
    13
    Number of Speeds - Reverse
    3
    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
- 14-Gear
  - Gear Ratios
    
    Forward Gear
    
    Ratio
    
    Step
    
    Creeper (1)
    
    32.04
    
    Creeper (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
  - Specifications
    Length
    40" [1016 MM]
    Weight (Dry)
    687 lb. [312 kg]
    Oil Capacity
    19.5 Quarts [18.5 L]
    Torque Rating
    2360 lb. ft. [3200 N•m]
    Number of Speeds - Forward
    14
    Number of Speeds - Reverse
    4
    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
Software Options
+
- AVO-BAS
  
  Basic Shift
  
  Standard gear shift strategy. Tuned for maximum fuel economy.
- AVO-COMF
  
  Easy Shift
  
  A feature package targeting livestock haul and recreational vehicle applications and similar applications where load shifting must be minimized. It revises the AMT’s shift strategy to provide smoother launches, less aggressive shifting and more gentle driving.
- AVO-ENH
  
  Enhanced "Bad Roads" Shifting
  
  Targeting vocational vehicles such as construction and heavy construction. Includes the Performance Mode for best performance and driveability in exchange for fuel economy. Kick-down pedal for best acceleration and performance. Premium gear lever with “Perf” button and gear selection buttons. Performance mode maximizes gradeability and improves starting and shifting in rough or hilly terrain.
- AVO-HD
  
  Heavy Duty Shifting
  
  A more aggressive shift strategy than “Bad Roads” for heavy haul applications with more performance-oriented shift points, less skip shifting and more. Recommended to be used with Titan Heavy Haul over 80 metric tons / 176k lbs.

Maintenance Intervals

mDRIVE™		Normal Duty Greater than 6 mpg Less than 39L/100km	Heavy Duty Greater than 5 mpg Less than 50L/100km	Severe Duty Less than 5 mpg Greater than 50L/100km
Transmission oil and filter (Replace) Oil quality: Mack Transmission Oil 97318*	Miles	500,000		Not Allowed
	Km	800,000		Not Allowed
	Hours	60 months		Not Allowed
mDRIVE™; mDRIVE™ Severe Duty and mDRIVE™ with Crawler Gears
Transmission oil and filter (Replace) Oil quality: Mack Transmission Oil 97319* * Approved oils only, lists can be made available	Miles	500,000		250,000
	Km	800,000		400,000
	Hours	60 months		2500 h
T300 SERIES TRANSMISSION
Highway Standard and Extended Oil (Replace)	Miles	Std: 250,000 / Ext: 500,000		-
	Km	Std: 400,000 / Ext: 800,000		-
	Hours	Std: 24 months / Ext: 36 months		-
Vocational Standard and Extended Oil (Replace)	Miles	-	Std: 40,000 / Ext: 80,000
	Km	-	Std: 64,000 / Ext: 128,000
	Hours	-	Std: 12 months / Ext: 12 months
AXLES
Rear Axle Oil (Replace)	Miles	500,000		80,000
	Km	800,000		125,000
	Hours	36 months		12 months

Resources

Mack Mdrive Hd Heavy-Duty Sellsheet
Download brochure
Mack Construction Brochure
Download brochure
Maintenance Intervals At A Glance
Download Brochure

Find a Mack dealer near you.

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mDRIVE™ HD

Low-speed Creeper Gears

Geared up for any job

Power Launch

Get out of the toughest spots

Grade Gripper

Winning the uphill battle

Complete integration

Increased driver productivity

Lighter than the rest

Length

35.1" [891 MM]

Weight (Dry)

597 lb. [271 kg]

Oil Capacity

16.9 Quarts [16 L]

Torque Rating

1920 lb. ft. [2600 N•m]

Number of Speeds - Forward

12

Number of Speeds - 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

Length

40" [1016 MM]

Weight (Dry)

687 lb. [312 kg]

Oil Capacity

19.5 Quarts [18.5 L]

Torque Rating

1920 lb. ft. [2600 N•m]

Number of Speeds - Forward

13

Number of Speeds - Reverse

4

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

Length

35.1" [891 MM]

Weight (Dry)

597 lb. [271 kg]

Oil Capacity

16.9 Quarts [16 L]

Torque Rating

1920 lb. ft. [2600 N•m]

Number of Speeds - Forward

12

Number of Speeds - 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