Mack MD
{{More footnotes needed|date=December 2024}}
{{infobox
| abovestyle =
| above = Mack MD
| image = File:Mack MD 7 box van truck 2020.jpg
| caption = Mack MD at TEC Equipment in Portland, OR
| headerstyle = background:#B0C4DE;
| header10 = Production history
| label12 = Type
| data12 = Medium duty conventional cab
| label14 = Manufacturer
| data14 = Mack Trucks
| label16 = Also sold as
| data16 =
| label18 = Years built
| data18 = from June 2020
| label20 = Plant built
| label21 = Plants built
| data21 =
| label22 = Total built
| data22 =
| label24 = Variants
| data24 = MD and MD Elec. 6, 7
| label26 = Successor
| data26 =
| header100 = Maximum weights
| label112 = Weight class
| data112 = 6, 7
| label114 = Truck
| data114 = {{convert|29,995|lb|abbr=on}} (MD6)
{{convert|33,000|lb|abbr=on}} (MD7
| label118 = Front axle
| data118 =
| label120 = Rear axle
| data120 =
| header200 = Drivetrain
| label214 = Diesel engine
| data214 = Cummins B6.7L
| label216 = CNG engine
| data216 =
| label218 = Transmission
| data218 = Allison 6-speed
| label232 = Electric motor
| data232 = {{convert|260|hp|kW|abbr=on}}
| label233 = Electric motors
| data233 =
| label237 = Batteries
| data237 = 150 (2) or 240 (3) KWH NMC
| header300 =
| label316 = Drive layout
| data316 = 4x2
}}
The Mack MD is a series of medium-duty (Class 6 and 7) trucks built by Mack Trucks. It has a short, low-profile hood and a high-visibility cab. It is designed as straight trucks for local delivery, construction, and other vocational jobs. The MD was introduced in February 2020 entered full production in July 2020.
Design
The MD is a short-hood conventional. Designed for local use it has a day-cab only. It has two axles with the rear one driven. Total loaded weight can be up to {{convert|25,995|lb}} for the MD6 and {{convert|33,000|lb}} for the MD7.
Mack doesn't build any medium-duty components and uses a vendor engine, transmission, and axles.
Engine and transmission
A Cummins B6.7L diesel engine is used. It is a 6.7L turbocharged inline six-cylinder engine. It develops {{convert|220|to|300|hp}} and {{convert|560|to|660|lb.ft}} of torque.
An Allison 6-speed transmissions is used. They are fully automatic planetary gear transmission with a lock-up torque converter.
Chassis
A ladder frame with beam axles is used. Meritor supplies both the front and driven rear axles.
Applications
Mack is marketing the MD for local box van, stake/flatbed, dump, and tanker use.
BEV
240 kWh NMC battery, 19.2 kW AC or 80 kW DC charging. 260hp, 1850lb-ft. 19400lb payload. Dual-airbag cab suspension and air ride seat. Led headlights, steel front bumper, galvanized steel cab, 120k psi steel frame, 5 wheelbase options.{{Cite web |title=MD Electric {{!}} Mack Trucks |url=https://www.macktrucks.com/trucks/md-electric/ |access-date=2024-02-13 |website=www.macktrucks.com}}
References
{{reflist}}
{{cite journal|url=https://www.truckinginfo.com/350106/mack-attack-truck-maker-is-back-in-medium-duty-market|title=Mack Arttack: Truck Maker Is Back in Medium-Duty market|journal=Heavy Duty Trucking|date=January 30, 2020|access-date=February 3, 2020}}
{{cite journal|url=https://www.mcall.com/business/mc-biz-mack-trucks-launches-medium-duty-trucks-roanoke-valley-virginia-20200130-qjprra3c45ecli34cboewzrooy-story.html|title=Mack launches medium-duty truck line, will invest $13 million in new manufacturing plant in Virginia|journal=The Morning Call|date=January 30, 2020|access-date=February 3, 2020}}
{{cite journal|url=https://www.macktrucks.com/mack-news/2020/mack-trucks-launches-mack-md-series-medium-duty-truck/|title=Mack Trucks Launches Mack MD Series Medium-Duty Truck|journal=Mack Trucks|date=January 30, 2020|access-date=February 3, 2020}}
{{Mack Trucks}}