Commercial Value Meets Military Readiness
M917A3 HEAVY DUMP TRUCK
Class
8
Heavy-Duty
Power
440
Max HP
Torque
1650
LB-FT Max
Built on the rugged Mack Granite® platform, the Heavy Dump Truck (HDT) is engineered by Mack Defense to deliver unmatched durability, mobility, and protection in the toughest environments. Designed with the warfighter in mind, the HDT features all-wheel drive capability, a replaceable armored cab, advanced communications integration, and an upgraded suspension system for superior off-road performance and fording. With mission-ready enhancements like blackout lighting and scalable force protection, the HDT combines the reliability of a commercial truck with the specialized features required for today’s military operations.
WEIGHTS/DIMENSIONS
- Make: Mack
- Model: Granite
- Sub-model: Axle forward
- Base cab: Granite day cab
- Optional cab: Armored
- Wheel configuration: 8x8 (1+3)
- Frame: 300 x 90 x 11.1 with full liner
- Wheelbase: 243
- GVWR (lbs): 94,500
POWERTRAIN
- Make: Mack
- Model: MP8
- Displacement: 13
- Type: I6 Turbo diesel
- Emissions: Exempt
- Power rating (hp): 440
- Torque rating (ft-lbs.): 1650
CAB/CHASSIS
- Alternator (Volt, Amps): 24v /275 amp
- Body Type: Dump body
- Body Make: Crysteel
- Body model: 18 cu yd/ 22 cu yd with sideboards
- Fuel capacity (gals): 100
AXLES/SUSPENSION
- Front axle make: Meritor
- Front axle model: MX810
- Front brakes type: Disc
- Rear axle make: Meritor
- Rear axle model: ProTec Series 50 Beam
- Rear brakes type: Drum S-cam
- Tire make model, all locations: Michelin XZY3
- Tire size, all locations: 445/65R22.5 L
- Wheels: Steel 22.5 x 13
DRIVELINE/TRANSMISSION
- Transmission make:Allison
- Transmission model: 4500SP
- Transmission type: Automatic w/ fluid convertor
- Transfer case make: Meritor
- Transfer case model: TC142
- Transfer case type: 2 speed part-time
- Transfer case ranges: High/low/neutral
Press Links
- Mack Defense Secures A New Five-Year Contract For M917A3 Heavy Dump Trucks With U.S. Army
- David Hartzell On SiriusXM’s Road Dog Trucking To Discuss Strengthening Defense Logistics Through Mack’s Legacy
- Mack Defense Reaches Milestone With 500th U.S. Army M917A3 Heavy Dump Truck
- Mack Defense Featured On WFMZ-TV 69 News Celebrating 500th Dump Truck Produced For US Army
- Mack Defense Receives Order For The U.S. Army M917A3 Heavy Dump Truck Program
- SnowRunner Season 10 Game Features the Mack Defense M917A3 Heavy Dump Truck
- Mack Defense Is Featured In Mack Bulldog Magazine
- Mack Defense Receives Order for 135 Additional Trucks For The U.S. Army M917A3 Heavy Dump Truck Program
- The American Company Mack Defense Presents The Production Version Of Its M917A3 HDT At AUSA 2022
- David Hartzell, President & CEO of Mack Defense, Talks About The Latest Generation M917A3 At AUSA 2022
- Mack Defense - Check Out Our M917A3 HDT Milestones Video!
- Mack Defense to Showcase Production M917A3 Heavy Dump Truck at AUSA
- Mack Defense Receives Order for 144 Additional Trucks for the U.S. Army M917A3 Heavy Dump Truck Program
- Michigan Engineer Company One Of First National Guard Units To Test Mack Truck In Field
- Mack Defense’s M917A3 Heavy Dump Truck Aired On WDAM7 For Army’s Newest Delivery
- Inside Defense Highlights Mack Defense’s HDT Order
- Fort Stewart Public Affairs Office Published M917A3 HDT Soldier Feedback
- Mack Defense Partners With TenCate Advanced Armor USA In Developing Armored Cab
- Transport Topics News Features The Mack Defense M917A3 Heavy Dump Truck
- Mack Defense M917A3 HDT Featured On Construction Equipment
- M917A3 Heavy Dump Truck Production Line Ceremony 9.23.21
- M917A3 Heavy Dump Truck Featured In Snowrunner Game
- AUSA 2021: Mack Defense Seeks To Expand Military Activities
- Mack Defense M917A3 Heavy Dump Truck Featured In Fleet Equipment Magazine
- Mack Defense Presents First Production M917A3 Heavy Dump Trucks To U.S. Army
- Mack Defense Starts M917A3 Heavy Dump Truck Production At Mack Experience Center
- U.S. Army Orders 99 Heavy Dump Trucks from Mack Defense
- Mack Defense M917A3 Heavy Dump Truck Ready for the Harsh Cold
- Mack Defense Partners With XPER For Spare Tire Carrier and Transparent Armor On M917A3 Heavy Dump Truck
