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Allison Transmission announces global availability of 9-speed transmission, expanded electrification portfolio at IAA CV

Green Car Congress

Allison first announced the 9-speed model in 2017 at the North American Commercial Vehicle Show in Atlanta. With its deep first gear ratio and industry-leading ratio coverage, the Allison 9-speed transmission provides fuel savings as the efficient gear train allows the torque converter to lock up early in first gear.

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