This Mack Medium Duty Electric (MDe) features a Terex Optima HR55 aerial work platform, 240 kWh battery system, and innovative SmartPTO technology.

Mack Trucks featured the Mack MD6 water truck, a 1960 Mack B-61T, and a Mack Medium Duty Electric in its booth during the NTEA – Work Truck Association’s Work Truck Week 2025, held March 4-7, at the Indiana Convention Center in Indianapolis, Indiana.

Work Truck Week is North America’s largest work truck event. For 25 years, the people who design, build, use, and maintain commercial vehicles and equipment have gathered to see the latest products and technology. 

The breadth of the product lineup on display at Work Truck Week 2025 spotlights Mack’s commitment to vocational applications and making sure customers have several options available. From the historic 1960 B-61T that represents Mack’s renowned heritage to today’s advanced electric vehicles, Mack showcased the company’s 125-year evolution.

The trucks on display were configured for a variety of applications, with the Mack MD Electric also offering the benefits of reduced tailpipe emissions.

Trucks on display in Mack Booth No. 3123:

2026 MACK MD6 4X2 WATER TRUCK

Body: Curry Supply 2,000 U.S. gallon On-Road Water Truck

Engine: Cummins ISB6.7 diesel, 260 horsepower, up to 660 lb.-ft. torque

Transmission: 2500 RDS six-speed Allison Gen6 with Prognostics, with PTO provision

Front Axle: Meritor MFS+ rated up to 10,000 lbs.

Rear Axle: Meritor MS-21-13X rated up to 21,000 lbs.

Features: LED Headlamps, full-color instrument cluster with 5-inch copilot screen, power windows and locks, Premium Mack-Air High Back driver seat, and GeoTab telematics

2025 MACK MEDIUM DUTY ELECTRIC (MDE7)

Body: Terex Optima HR55

Motor: Three-Phase Permanent Magnet Synchronous Motor, 195 kW (260 hp) peak, 2500 Nm (1850 lb-ft) peak torque

Battery: 240 kWh

Front Axle: Meritor MFS+ 12,000 lb. Taperleaf suspension

Rear Axle: Meritor MS-21-13X 21,000 lb.

Features: 28.8 kWh SmartPTO by Viatec, full color dash and instrument cluster with 5-inch copilot screen, power windows and locks, and GeoTab telematics

1960 MACK B-61T

Engine: Mack END 673

Transmission: Mack TRD67, 10-speed direct

Front Axle: Mack FA505, forged I-beam, 8,000 lb.

Rear Axle: Mack RAS508, 22,500 lb.

Features: 146.5-in. wheelbase, 9×3.25×0.25-in. chrome-manganese steel heat-treated frame

Today, Mack is one of North America’s largest producers of heavy-duty trucks, which are sold and serviced through a distribution network in more than 45 countries. Mack trucks, diesel engines, and transmissions sold in North America are assembled in the United States. Mack is also a sponsor of Share the Road, an American Trucking Association’s public information campaign aimed at enhancing the safety of our nation’s roadways. 


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Mack Trucks is part of the Volvo Group, offering trucks, buses, construction equipment, power solutions for marine and industrial applications, financing, and services that increase customer uptime and productivity. For more, visit www.macktrucks.com