On June 28, 2023, General Motors Defense unveiled the Electric Military Concept Vehicle (eMCV) during the Modern Day Marine 2023 exhibition held in Washington, DC. This event showcased the eMCV as part of GM Defense's participation in the Army's Electric Light Reconnaissance Vehicle (eLRV) prototyping competition. The Army's objective is to equip its Infantry Brigade Combat Teams (IBCTs) with the eLRV to enhance their mobility, protection, and onboard power capabilities.
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The Electric Military Concept Vehicle (eMCV), based on a GMC Hummer EV (Picture source GM Defense)
GM Defense's successful history of delivering vehicles to the Army includes notable achievements such as the Infantry Squad Vehicle based on the Chevrolet Colorado ZR2. These accomplishments provide a solid foundation for the ongoing development of the Next Generation Light Tactical Wheeled Vehicle, with the Electric Military Concept Vehicle (eMCV) as a significant addition to this lineage.
The Army's interest in electric off-road vehicles is evident as they procured a civilian version of the Hummer EV from GM Defense for evaluation purposes last year. This vehicle arrived at the Detroit Arsenal by August 31, 2022, according to The Drive, and while the purchase price remains undisclosed, this acquisition underscores the Army's commitment to exploring electric vehicle options. The Hummer EV has emerged as a promising candidate for evaluation, reflecting the Army's dedication to sustainable and forward-thinking technologies.
The eMCV draws upon the chassis, electric vehicle propulsion system, and suspension system of the GMC Hummer EV. A noteworthy feature is the 24-module, double-stacked Ultium battery pack with a capacity of 212-kWh, providing substantial power, with 1,000 horsepower and 1,627 Nm of torque. This vehicle's battery pack employs a liquid-cooled lithium-ion system.
Dimensions of the eMCV are expected to be similar to those of the GMC Hummer EV, with a wheelbase of 3,447 mm, a length of 5,506 mm and a width of 2,202 mm. Its powertrain consists of three electric engines: a front motor (permanent-magnet synchronous AC), and two rear motors (permanent-magnet synchronous AC).
Regarding charging capabilities, the eMCV benefits from the 800-volt battery architecture, enabling rapid charging at 350 kW, significantly reducing recharge times. Moreover, it incorporates a 12-kilowatt diesel-powered generator for limited charging, ensuring sustained operation in challenging situations.
Enhancements in off-road performance make the eMCV a robust option. These include larger tires, an improved brake system, and Fox performance shocks. The vehicle's improved approach and departure angles enable seamless navigation across rugged terrain. Additionally, the eMCV offers "Silent Watch" and "Silent Drive" modes, enhancing its stealth capabilities for military operations.
Inside the eMCV, the minimalist six-passenger interior of the Hummer EV remains intact, providing ample seating capacity for military personnel. Safety features include a robust tubular roll cage designed to protect occupants in challenging environments. Furthermore, the vehicle boasts a 46-inch gun ring and a swing side-arm mount, increasing its versatility.
With a combined driving range of 300 miles and the ability to charge enough for a 100-mile drive in just 12 minutes, the eMCV offers excellent range and quick recharge times. Additionally, it retains the Hummer EV's impressive towing capacity of up to 7,500 pounds.
The eMCV represents the Army's exploration of electric off-road vehicles as part of their efforts to reduce dependence on fossil fuels and evaluate sustainable solutions for defense purposes. While electric vehicles present logistical challenges, they are deemed a sensible option, considering the limitations and vulnerabilities associated with fossil fuel supplies in conflict situations.
