Allison transmission announces b400 and b3400 xfe uprate to support cummins x10 engine launch

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.
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