2021 Sierra 2500 L5P 6.6 Duramax Engine & Transmission

Are you in the market for a reliable and powerful engine and transmission combination for your heavy-duty truck? Look no further! Our 2021 Sierra 2500 L5P 6.6 Duramax engine and transmission, with only 18,000 miles on the odometer, is the perfect solution for your needs. This engine and transmission combination is designed to deliver exceptional power, torque, and reliability, making it ideal for heavy-duty applications such as towing, hauling, and off-road driving. The 6.6 Duramax engine produces 445 horsepower and 910 lb-ft of torque, while the Allison 10-speed automatic transmission provides smooth and seamless shifting. Whether you’re a contractor, farmer, or outdoor enthusiast, this engine and transmission combination is sure to meet your needs.