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The 2018 Peterbilt 337 is a medium-duty conventional truck designed for versatility, durability, and heavy vocational use. Built with Peterbilt’s reputation for rugged construction, it’s commonly used for applications such as delivery, towing, construction, and utility work. It typically features a PACCAR PX-7 diesel engine producing around 200–325 horsepower, paired with various transmission and chassis configurations to suit different job needs. With a gross vehicle weight rating (GVWR) often around 26,000–33,000 lbs or higher depending on setup, the 337 is capable of handling substantial loads while maintaining a driver-focused, comfortable cab. Overall, the 2018 Peterbilt 337 is known as a reliable, customizable workhorse built to perform in demanding commercial environments. Call Martha Servin