GM's 2017 6.6L L5P Duramax V-8 Turbo Diesel

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GM's 2017 6.6L L5P Duramax V-8 Turbo Diesel
GM's Next-Gen 6.6L Duramax

Beginning production in July 2000 with the 6.6L LB7 Duramax V-8 diesel engine, the current L5P 6.6L Duramax is the most recent and most powerful. Replacing the outgoing LML engine, the 2017 L5P incorporates a long list of advancements produced exclusively for General Motors' full-size heavy-duty (HD) Chevrolet and GMC pickup trucks. Go here for the specifications and all-important details.