Duramax Sizes & Engines: Full Breakdown by Generations

Duramax generations feature distinct engine sizes and models across their lineup. The duramax generations include the LB7, LLY, LBZ, LMM, LML, and L5P duramax models, each with evolving displacements from 6.6L V8 configurations. Key changes involve power output, torque ratings, emissions systems, and durability enhancements. These duramax models power heavy-duty trucks with progressive improvements in performance and efficiency throughout the generations.