A heavy-duty automatic gearbox built for strength, longevity, and seamless shifting is the Allison 1000. The Allison 1000 transmission is renowned for its robustness and dependability in both personal and commercial vehicles, and it is frequently seen in GM trucks with Duramax diesel engines, such as the Chevrolet Silverado and GMC Sierra. We provide premium rebuilt and secondhand Allison 1000 transmissions that have undergone extensive testing and inspection to satisfy OEM requirements.
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