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The Peterbilt Model 337 is built to take on the big jobs. That’s why it’s available as a Class 7 truck or tractor with a GVW up to 33,000 lbs. With a full range of suspensions and in an all-wheel-drive configuration, the 337 delivers an ideal match for applications such as wrecker, tanker, beverage delivery, municipal utilities – just about any job you can throw at it. The Model 337 is constructed with an all-aluminum cab that is lightweight for fuel efficiency and corrosion-resistant for durability.

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