Mack Trucks MD Series (MD6/MD7)

Stock: MD Series (MD6/MD7) Last Updated: 01/14/2026 04:43 PM

Detailed Specs

Mack Trucks

MD Series (MD6/MD7)

Additional Information

6 & 7
220 – 300 hp (Max)
560 – 660 lb-ft (Max)
25,995 – 33,000 lbs (GVW)
Not specified on page.
Day Cab (Longer cab with 4” more interior room and a 107” BBC).
Cummins B6.7 (Efficiency Series: 220–260 HP; Performance Series: 280–300 HP). Battery Electric (MD Electric available).
Automatic Allison 2500 HS/RDS (6-speed) or Allison 3000 RDS (6-speed).
Meritor Front Axle, Meritor Drive Axle (Implied single rear axle configurations).
Leaf: Mack Multi Leaf (Standard rear). Air: Mack AL AirRide (Optional). Standard: Dual-airbag cab suspension.

Description

Mack’s heavy-duty toughness applied to a medium-duty truck. Built for regional haul, refuse, and vocational applications with enhanced driver comfort.