Mack Trucks

MD (2024)

Introduced 2024

About this generation

The refreshed Mack MD Series was introduced in 2024 with a larger cab, improved driver environment and additional safety technology. The updated MD6 and MD7 retain the medium-duty platform's focus on urban delivery, regional distribution and vocational applications while improving body integration and driver comfort.

Key Features

Class 6 and Class 7 medium-duty truck
Larger cab
Improved driver environment
Updated safety technology
MD6 and MD7 ratings
Urban delivery
Regional distribution
Vocational applications
Dry van and refrigerated bodies
Stake and flatbed bodies
Dump applications
Tank applications
Improved body-builder integration

Technical Overview

Production: Introduced 2024
Replaced: MD (2020)
Succeeded by: Current generation

Cab & Transmission

Cab Types: Day Cab
Transmissions: Allison automatic transmission

Engines

6 engines

B6.7

6 variants

6.7 L • Diesel • Turbocharged inline-6 • 6 cyl

MD (2020)

2020–2024