2020 Peterbilt 337 Service Truck – PACCAR PX-7 300 HP – Allison Automatic – 67k Miles For sale by Friedrich’s Auto & Truck Sales. This 2020 Peterbilt 337 is a clean, well-equipped service truck powered by a PACCAR PX-7 diesel engine rated at 300 horsepower and paired with an Allison automatic transmission. This truck is equipped with a Summit 10620 crane, Stellar 40P air compressor, wireless remote control, multiple locking compartments, and drawer storage. With only 67,369 miles this service truck is ready to go to work! Specifications & Equipment • PACCAR PX-7 diesel engine • 300 HP • Allison automatic transmission • Service truck • 67,369 miles • 26,000 lb GVWR • 5.57 axle ratio • 11R22.5 tires • Air brakes • Locking differential • Aluminum wheels • Summit 10620 crane • Wireless crane remote control • Stellar 40P air compressor • Outriggers / stabilizers • Rear work platform and deck area • Service body with locking compartments • Toolbox cabinet with drawers • Power windows • Power locks • Cruise control • Air conditioning • Tilt / telescoping steering column • Bluetooth / USB radio