Current Mack Trucks MD Series

2026 Mack Trucks MD Series 274"

2026 Mack Trucks MD Series 274"

Swipe to View More

Exterior Colors:

  • Year 2026
  • Make Mack Trucks
  • Model MD Series
  • Engine Cummins B6.7 - Efficiency Series | Cummins B6.7 - Performance Series
Shop Mack Trucks Pre-Owned
Product Details Specifications Photos
2026 Mack Trucks MD Series 274"

2026 Mack Trucks MD Series 274"

  • Year 2026
  • Manufacturer Mack Trucks
  • Model Name MD Series
  • Trim Name 274"
  • Generic Type (Primary) Cab & Chassis
  • Engine Cummins B6.7 - Efficiency Series | Cummins B6.7 - Performance Series
  • Displacement Cummins B6.7 - Efficiency Series: 6.7 Liter | Cummins B6.7 - Performance Series: 6.7 Liter
  • Engine Power Cummins B6.7 - Efficiency Series: 220 – 260 HP | Cummins B6.7 - Performance Series: 280 – 300 HP
  • Engine Torque Cummins B6.7 - Efficiency Series: 520 – 660 lb-ft | Cummins B6.7 - Performance Series: 660 lb-ft

2026 Mack Trucks MD Series 274"

Business ready. Budget friendly.

The Mack® MD is built for your business. Now available with a limited-time 4.99% APR

Features may include:

  • Steering

Flat-bottom steering wheel with cruise control, telephone, and radio/audio controls gives drivers more room for entry/exit and operation. Tilt-telescopic steering column lets drivers adjust their comfort.

  • Seating

  • Storage and lighting

New overhead console provides additional storage and improved interior lighting replaces two halogen bulbs with four LED dome lights

  • Body Builder

Pre-wired Body Builder connections to Cummins & Allison

  • 120,000 PSI yield frame rails

Heavy-duty steel frame rails ensure years of dependable service.

  • Standard rear leaf spring suspension

The standard rear leaf spring suspension is engineered to take on heavy loads with ease.

Engine

Engine Cummins B6.7 - Efficiency Series | Cummins B6.7 - Performance Series
Displacement Cummins B6.7 - Efficiency Series: 6.7 Liter | Cummins B6.7 - Performance Series: 6.7 Liter
Engine Power Cummins B6.7 - Efficiency Series: 220 – 260 HP | Cummins B6.7 - Performance Series: 280 – 300 HP
Engine Torque Cummins B6.7 - Efficiency Series: 520 – 660 lb-ft | Cummins B6.7 - Performance Series: 660 lb-ft

Drivetrain

Transmission Allison 2500 HS Highway Series | Allison 2500 RDS Rugged Duty Series | Allison 3000 RDS Rugged Duty Series
Steering Tilt & Telescopic Steering Column | Power Steering

Suspension

Suspension LEAF: Mack Multi Leaf | AIR: Mack AL

Brakes

Brake System Type Anti-lock brakes with automatic traction control

Dimensions

Wheelbase 274"

Weights

GVWR 25,995 – 33,000 lbs

Features

Features AM/FM w/ Bluetooth | Air Suspension Driver's Seat | Dual, Airbag Cab Suspension | 120k PSI Steel Frame Rails | Overhead console with storage | Air Conditioning
Mirrors Bright Finish & Lower Convex Mirrors

Lights and Safety

Lighting Four Interior LED dome lights

Product Photography