• Power offerings: PACCAR PX-9 and PX-7 diesel engines, Cummins B6.7N and L9 natural gas engines
• Medium duty and heavy duty options for fleets to choose powertrain applications
• Benefits: Lower operating expenses, reduced maintenance, increased productivity
• TX-8 automatic transmission features: Best-in-class power-to-weight ratio, lifetime oil filter, extended service intervals, smooth and quiet shifting, easy-to-use column-mounted shift stalk, up to 5% fuel economy benefit over competitive transmissions

• The Model 548 features a strong, lightweight, corrosion-resistant all-aluminum cab
• 3-piece aero hood is lightweight and sloped for maximum visibility and maneuverability
• Anti-blow down lock cylinder prevents accidental hood closing
• Signature stainless steel Peterbilt grille protects vital engine components
• Look-down hood and side mirrors provide clear line of sight
• 3-piece metal bumper with breakaway features for quick access and repairability
• Integrated LED fog lights and easy-to-replace halogen lights, daytime running lamp and turn signals
• Easy access with self-cleaning stair-style steps and internal/external grab handles
• Wide door opening with impact-resistant optional kick plate

New LED headlights are available on Peterbilt Medium Duty Trucks. The new LED headlight option provides numerous benefits including:  

• Enhanced Visibility: Experience greater light output, increased range, and wider beam spread, ensuring optimal visibility on the road. 
• Reduced Glare: Our low-beam headlights are designed to minimize glare to oncoming traffic, surpassing the requirement by 28 percent. 
• Extended Reach: With high-beam headlights that radiate 65 percent further than traditional halogen lights, you can navigate the road with confidence and clarity.
• Energy Efficiency: Enjoy the benefits of high performance while conserving energy, as our LED headlights consume only half the power of conventional halogen lights. 

• The Model 548 offers a quiet, comfortable and ergonomic interior with customizable dash design
• It provides best-in-class storage volume of 6.1 cu. ft. and a spacious cab that seats three people comfortably
• The switches and controls are conveniently located within easy reach of the driver’s seat
• The center console features smart storage solutions with pockets, shelves and hooks for easy organization
• It has “tip-proof” cup holders for up to three drink cups and offers two standard USB ports and two 12-volt power outlets
• The 7-inch display and driver interface are intuitive and all switches and controls are conveniently located to reduce driver fatigue
• The HVAC system delivers rapid cooling, heating and defrosting, and the reconfigurable B-panel allows customization for storage, gauges or customer-installed items
• Optional RAM mounts can be attached to the dash for additional functionality
• Power door locks, window and mirror controls are conveniently located on the door armrest and a chambered map pocket in the door provides storage space