Allison Transmission Introduces eGen Force™ Hybrid Electric Propulsion System for Armored Fighting Vehicles
INDIANAPOLIS, October 10, 2022–(BUSINESS WIRE)–Allison Transmission, a leading designer and manufacturer of propulsion solutions for conventional, hybrid electric and all-electric vehicles, is pleased to introduce the eGen Force™ hybrid electric propulsion system for tracked combat vehicles. Designed for 50-ton tracked vehicles, the eGen Force meets the requirements of the US Army’s Optionally Piloted Fighting Vehicle (OMFV) program. The eGen Force is also upgradable for 70-ton tracked vehicles, making it capable of meeting future main battle tank requirements as well.
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Allison Transmission showcases the eGen Force, its first hybrid-electric propulsion solution for tracked combat vehicles, at AUSA 2022. (Photo: Business Wire)
“This product is more than a drivetrain – it’s a power distribution system comprising an electric motor and inverter for onboard vehicle power and parallel hybrid operation,” said Dana Pittard, vice president, Defense Programs, Allison Transmission. “This allows for off-engine mobility to reduce enemy detection – both acoustic and thermal – ideally increasing the survivability of the soldier.”
Allison has combined its decades of experience with combat vehicles and hybrid-electric propulsion solutions to develop the new eGen Force system. Prior to initiating the eGen Force design, Allison leveraged the voice of the customer by conducting a comprehensive business study based on over 70 years of cross-development to select the optimal architecture for a hybrid-electric combat vehicle in the aim to optimize efficiency, performance, reliability and manufacturability. To reduce development risk, Allison has combined established parts from its X1100-3B1 transmission, used in the Abrams main battle tank, with new components that follow proven design strategies for gearing. The high-output range pack uses eight forward gears and three reverse gears providing efficient 12:1 ratio coverage and generates 220 kilowatts of electric power.
“We are very pleased with the testing and validation of subsystem performance,” said Michael York, Executive Director, Defense Engineering, Allison Transmission. “Currently, the eGen Force has commenced dyno and engine bench testing, followed by vehicle testing in early 2023. System and vehicle level integration expertise is a critical skill and a differentiator for Allison, and we’re proud to deliver these next-generation capabilities in partnership with our defense customers.”
Allison is proud to partner with American Rheinmetall Vehicles (ARV) to integrate the eGen Force into their OMFV offering. The ARV vehicle offers best-in-class mobility and unparalleled power in a modern, highly maneuverable chassis that will transform the way soldiers and squads accomplish their mission.
The eGen Force, as well as the eGen Power® electric axle for medium and heavy vehicles, will be on display at the AUSA Annual Meeting and Exposition October 10-12, 2022, at the Walter E. Washington Convention Center, Washington DC, Hall E, Booth #8409.
About Allison Transmission
Allison Transmission (NYSE: ALSN) is a leading designer and manufacturer of propulsion solutions for commercial and defense vehicles and the world’s largest manufacturer of medium and heavy-duty fully automatic transmissions that Improve the way the world works. Allison products are used in a wide variety of applications, including highway trucks (distribution, waste, construction, fire and emergency), buses (school, transit and coach), RVs, vehicles and off-road equipment (energy, mining and construction applications) and defense vehicles (wheeled and tracked tactical). Founded in 1915, the company is headquartered in Indianapolis, Indiana, USA. With a presence in more than 150 countries, Allison has regional headquarters in the Netherlands, China and Brazil, manufacturing facilities in the United States, Hungary and India, and global engineering resources, including electrification engineering centers in Indianapolis, Indiana, Auburn Hills, Michigan and London in the UK. Allison also has more than 1,400 independent distributors and resellers worldwide. For more information, visit allisontransmission.com
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Director, Global External Communications