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 The longstanding partnership between general motors (gm) and allison transmission is set to end after this year
ALISON BRIE at Today Show in New York 08/24/2022 – HawtCelebs
This development will see the chevy silverado hd and gmc sierra hd models drop the.
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