2025 Peterbilt 548 Base
Exterior Colors:
- Year 2025
- Make Peterbilt
- Model 548
2025 Peterbilt 548
Makes light work of heavy jobsThe new Model 548 is built to exceed the demands of Class 8 specialty applications. It features seamless body integration thanks in part to the VMUX multiplex electrical system, and is available with a wide range of options, including two roof height configurations, a full range of suspension options, and a variety of hood and cab configurations.
Features may include:
Customize your powertrain to your power need- 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
- 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
Engine
Engine Type
PX-9, Configuration: Inline 6-Cylinder | PX-7, Configuration: Inline 6-Cylinder | Cummins L9N (Natural Gas), Configuration: Inline 6-Cylinder
Displacement
PX-9: 8.9 L | PX-7: 6.7 L | Cummins L9N (Natural Gas): 8.9 L
Engine Power
PX-9: 260-380 hp | PX-7: 280-325 hp | Cummins L9N (Natural Gas): 300 hp
Engine Torque
PX-9: 860-1,250 lb.-ft. | PX-7: Up to 750 lb.-ft. | Cummins L9N (Natural Gas): 860 lb.-ft.
Bore
PX-9: 114mm | PX-7: 107mm
Stroke
PX-9: 145mm | PX-7: 124
Clutch
PX-9, Engagement Torque1: 500 lb.-ft. @ 700 RPM | PX-7, Engagement Torque2: 400 lb.-ft. @ 700 RPM
Performance
Top Speed
PX-9, Governed: 2,100-2,200 RPM | PX-7, Governed: 2,600 RPM
Drivetrain
Transmission
PACCAR TX-8: 8-Speed Automatic | Allison: 6-Speed Automatic | Eaton FR/RT: Manual | Eaton UltraShift: Automated
Suspension
Front Suspension
8,000 – 20,000 lbs. | Mono Leaf | Taper Leaf
Rear Suspension
13,500 – 46,000 lbs. | Mono Leaf | Taper Leaf | NeWay
Capacities
Oil capacity
PX-9, System: 29 U.S. qts | PX-7, System: 19.5 U.S. qts
Axle Capacity, Front
12,000 – 20,000 lbs.
Axle Capacity, Rear
19,000 – 46,000 lbs.
Weights
Dry Weight
PX-9: 1,695 lbs. | PX-7: 1,150 lbs.
Features
Features
Pusher & Tag Axles: Up to Two Lift Axles, 8,000 – 20,000 lbs., Hendrickson, Watson & Chalin