Looking for a top-notch truck dealership in Memphis, Tennessee, or nearby Mississippi? Rush Truck Center has you covered. Conveniently located, we offer a vast selection of trucks, including the renowned 2021 Peterbilt 579 equipped with a Cummins engine. For those interested in the technical details, we provide comprehensive specifications of the Cummins engine used in the 2021 Peterbilt 579. From horsepower and torque to fuel efficiency and emissions compliance, we've got you covered with all the information you need to make an informed decision. Curious about real-world performance? Our dealership offers a plethora of reviews and feedback from owners and experts regarding the Cummins engine's reliability, durability, and overall satisfaction in the Peterbilt 579. Plus, we provide insights into common issues, problems, and recalls associated with the engine, along with troubleshooting tips and solutions. Concerned about fuel economy? Look no further. We provide detailed information about the fuel efficiency and mileage of the Cummins engine in the 2021 Peterbilt 579, including comparisons with other engines or truck models. Ready to make a purchase? Our dealership offers competitive pricing, and we're transparent about the cost of purchasing or leasing a Peterbilt 579 equipped with the Cummins engine. With financing options available, including financing with approved credit, we make it easy to drive off the lot in your dream truck. And if you're in the market for a used 2021 Peterbilt 579 with a Cummins engine, we've got you covered there too. Our dealership offers listings of new and used trucks available for sale, ensuring you find the perfect fit for your needs. Visit Rush Truck Centers today in Memphis, Tennessee, to explore our extensive inventory and experience our exceptional customer service. Your next truck awaits!