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Description
The GM 1500 3.0L Duramax features a 10-speed Hydra-Matic 10L80 Automatic Transmission that is a heavy duty varient of The 10L Hydra-Matic family. This transmission helps with better overall performance due to the smaller steps between each gear ratio. The 10L80 transmission maximizes engine power under acceleration while reducing engine revolutions at highway speeds aiding in better fuel economy. Adding a larger capacity transmission pan can add reliability and ease of service when the time comes.