Mack® MD Series

So many possibilities.
One medium-duty truck.

Discover the new class of medium-duty capability.

Available in Class 6 and Class 7 applications, MD Series trucks are engineered to be anything you need them to be.


  • 220-300 HP
  • 600-660 lb.-ft. Torque
  • 10,000 lbs. Front Axle Capacity
  • 17,000 lbs. Rear Axle Capacity
  • 25,995 lbs. GVWR

Download MD6 Brochure


  • 220-300 HP
  • 600-660 lb.-ft. Torque
  • 12,000 lbs. Front Axle Capacity
  • 21,000 lbs. Rear Axle Capacity
  • 33,000 lbs. GVWR

Download MD7 Brochure

Upfits made easy.

See why professionals across every industry are choosing to build their businesses on Mack MD.

“The guys love the visibility and how quiet and comfortable the cab is.”

Christy Webber
Christy Webber Landscapes
Chicago, IL

“It has all the bells and whistles and works perfectly with our equipment, safety wise.”

Lloyd Hardy
Petersen Industries
Lake Wales, FL

“Our driver loves how it handles, the turning radius and the dock height. It's a gamechanger for us”

Elaine Pivinsky
Franklin Hills Winery
Bangor, PA

“We got the body installed without complications and put it right to work. Our driver loves the way it handles. It really gets the job done.”

Scott Sullivan
Sullivan Eastern

Built for every custom build.

Choose from eight wheelbases to accommodate trucks 10 - 26 feet in length and get the perfect size for your application needs.

Partners in production.

We work with a wide variety of body and equipment partners across North America to ensure your MD Series is the perfect fit for your upfit.

Fontaine Modification Crysteel® McNeilus® General Truck Body
Morgan Corp. Knapheide® Venco Venturo Industries, LLC Commercial Truck & Van Equipment
Summit Body Works Godwin Manufacturing Co. Inc.™ Valew Amthor® International
U.S. Truck Body™ Ox Bodies® SkyMark Refuelers, LLC Tremcar®
Utilimaster Rockport Trucks ITI Trailers and Truck Bodies Inc. Kentucky Trailer
Collins Manufacturing Company LTD Stahl Truck Bodies Hackney Complete Moving and Storage
Mickey Truck Bodies Palfinger Wabash™ Heil®
E-TECH® Nozzle and Holder Assemblies Galbreath® Marion® E-Z Pack
Multivans New Way Trucks Petersen Industries And more.

Talk to Mack to find a trusted partner near you.

Let's Talk

More fuel efficient and easier to use.

Now featuring the Allison 3000 RDS Transmission, the MD Series is engineered to adapt and operate efficiently in a variety of applications. The optional 3000 Series addition helps improve fuel efficiency and increases PTO, making it easier to operate.

Put comfort in the driver's seat.

Engineered to put a premium on driver comfort and control, the MD Series cab puts every detail right where it ought to be.

Confidence in control.

With our standard tilt and telescopic steering column, our signature flat-bottomed steering wheel gives driver confidence at every turn.

Everything is within reach

Every Mack MD truck is built around the driver's needs, meaning our intuitive dash design puts every dial right where you'd expect it.

Seriously smooth suspension.

Spare your drivers the bounce and bump of every drive with our dual-airbag cab suspension system, standard on every Mack MD.

Improve productivity

Collect truck performance data to improve productivity, fuel consumption and driver safety with Geotab® telematics.

Instant service history access

Give your entire service network instant access to service history and updates in one place with Mack ASSIST.

24/7 roadside support

With our extensive dealer network and OneCall®-our standard 24/7 roadside assistance service-there's always a Mack dealer nearby to lend a helping hand.

Customized finance solutions.

Whether you have a small business or are managing a large fleet, Mack Financial Services offer flexible and innovative finance programs for your business. You can rely on the strength of an industry leader that will support you in both good and challenging times.

Connect with Us

Talk to your local Mack dealer about what a Mack MD Series can do for your business.

Fill out the form below to connect with your local Mack MD Series Dealer.