The longstanding partnership between general motors (gm) and allison transmission is set to end after this year This development will see the chevy silverado hd and gmc sierra hd models drop the. After decades of gm hd trucks using allison transmissions, the partnership is ending on december 31, 2025 due to not coming to an agreement. General motors is done with allison transmission as their contract ends They'll no longer wear that beautiful name. Allison products are specified by over 250 vehicle manufacturers and are used in many market sectors, including bus, refuse, fire, construction, distribution, military, and specialty applications.
Gm is taking the unprecedented step of removing some of the badging on its unsold trucks starting in 2026 Here's how gm ended up in this weird situation. After more than 20 years of collaboration, gm and allison transmission will end their licensing agreement at the end of 2025.
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