Allison Transmission Announces B400 and B3400 xFE Uprate to Support Cummins X10 Engine Launch

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Allison Transmission has announced an uprate to its B400 and B3400 xFE fully automatic transmissions, including retarder models. The uprated versions will now support ratings up to 350 horsepower and 1,150 ft. lbs. of torque, enabling non-articulated bus fleets to continue using these transmissions as the industry transitions to the Cummins X10 engine for EPA27 Phase 3 emissions compliance.

This announcement follows a recent collaboration between Allison Transmission and Cummins to integrate and certify a Cummins B-Series engine with Allison's eGen Flex® electric hybrid propulsion system. The partnership aims to deliver advanced solutions for the transit market for model year 2027 and beyond, demonstrating both companies' commitment to innovation and environmental responsibility.

Positive

• Increased transmission ratings to support up to 350 horsepower and 1,150 ft. lbs. of torque
• Compatibility with Cummins X10 engine for EPA27 Phase 3 emissions compliance
• Collaboration with Cummins on integrating B-Series engine with eGen Flex® electric hybrid propulsion system

Negative

• None.

Collaboration will achieve EPA27 Phase 3 Emissions Standards compliance.

INDIANAPOLIS, Oct. 21, 2024 /PRNewswire/ -- Allison Transmission is pleased to announce an uprate to its proven B400 and B3400 xFE fully automatic transmissions, including retarder models. The increased ratings will ensure Allison continues to offer unrivaled total economic value to bus fleets across North America. 

The uprated transmission models will now support ratings up to 350 horsepower and 1,150 ft. lbs. of torque. This increase in ratings will enable fleets operating non-articulated buses to continue specifying B400 and B3400 transmissions as the industry transitions to the Cummins X10 engine for EPA27 Phase 3 emissions compliance.

"At Allison, we are dedicated to advancing our technology to comply with upcoming emissions regulations while continuing to deliver differentiated value that supports our customers' operational and sustainability goals," said Branden Harbin, Executive Director of Global Marketing at Allison Transmission. "The uprated B400 and B3400 xFE transmissions are a testament to our commitment to providing a diverse array of propulsion solutions that contribute to a reliable, more sustainable future in transportation."

This announcement comes on the heels of a recent collaboration between Allison Transmission and Cummins to integrate and certify a Cummins B-Series engine with the Allison eGen Flex^® electric hybrid propulsion system. The partnership is aimed at delivering cutting-edge solutions for the transit market for model year 2027 and beyond, further underscoring both companies' dedication to innovation and environmental responsibility.

To learn more about Allison transit propulsion solutions, visit allisontransmission.com.

About Allison Transmission
Allison Transmission (NYSE: ALSN) is a leading designer and manufacturer of propulsion solutions for commercial and defense vehicles and the largest global 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 on-highway vehicles (distribution, refuse, construction, agriculture, fire and emergency), buses (school, transit and coach), motorhomes, off-highway vehicles and equipment (energy, mining and construction applications) and defense vehicles (tactical wheeled and tracked). 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 USA, Hungary and India, as well as global engineering resources, including electrification engineering centers in Indianapolis, Indiana, Auburn Hills, Michigan and London in the United Kingdom. Allison also has approximately 1,600 independent distributor and dealer locations worldwide. For more information, visit allisontransmission.com.

 

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SOURCE Allison Transmission Holdings Inc.

FAQ

What are the new ratings for Allison's uprated B400 and B3400 xFE transmissions?

The uprated B400 and B3400 xFE transmissions now support ratings up to 350 horsepower and 1,150 ft. lbs. of torque.

How does the Allison transmission uprate relate to EPA27 Phase 3 emissions standards?

The uprated transmissions enable non-articulated bus fleets to continue using Allison B400 and B3400 transmissions while transitioning to the Cummins X10 engine for EPA27 Phase 3 emissions compliance.

What recent collaboration has Allison Transmission (ALSN) announced with Cummins?

Allison Transmission and Cummins are collaborating to integrate and certify a Cummins B-Series engine with Allison's eGen Flex® electric hybrid propulsion system for the transit market in model year 2027 and beyond.