Allison Automatics in Chevrolet Silverado’s new 4500HD/5500HD/6500HD medium-duty trucks will be paired with the reliable Duramax diesel engine – a…
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Allison Gears Up for First-Ever Chevrolet Silverado Medium-Duty Truck
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Allison Automatics in Chevrolet Silverado’s new 4500HD/5500HD/6500HD medium-duty trucks will be paired with the reliable Duramax diesel engine – a…