2025 Peterbilt 537 Base

2025 Peterbilt 537

The new Model 537 is available as a Class 7 truck or tractor with a GVWR up to 33,000 lbs. It is highly versatile and can be configured to exceed the demands of many vocational applications. It has two cab roof heights, three hood configurations, through rail option, and a variety of bumper and electrical wiring options.

Features may include:

• Four engine options available, providing durability, efficiency and lower operating expenses.

9-liter PACCAR PX-9 engine: High power-to-weight ratio, suitable for heavy payloads (260 to 450 horsepower, up to 1,250 lb.-ft. of torque)

7-liter PACCAR PX-7 engine: Superior performance, minimized costs and increased uptime for medium-duty customers (260 horsepower and up to 750 lb.-ft. of torque)

Two natural gas alternatives include the Cummins L9N engine (250-320 horsepower, 660-1,000 lb.-ft. of torque) and the Cummins B6.7N engine (200-240 horsepower, 520-560 lb.-ft. of torque)

• PACCAR TX-8 automatic transmissions: Optimize PX engines for medium duty applications, with a maximum torque rating of 1,000 lb.-ft., best-in-class power-to-weight ratio and up to 5% fuel savings compared to competitors

• Other transmissions options are available from Allison Automatics and Eaton, including manual and UltraShift

Built for long-term durability

• Three Bumper Options: One-piece channel painted or chrome, one-piece aero composite painted and in-mold color, and three-piece aero metal

• High-Performing Halogen Headlights: For excellent light coverage and excellent serviceability

• Hood Options: SMC aero hoods in 107" and 109" BBC configurations, both designed to maximize visibility

• Sturdy Fixed Grille: Available for the 109" BBC FEPTO. The grille is stationary, has pull through rails and a 24” bumper extension for front end mounted equipment

• Robust Cab-Mounted Mirrors: For optimized visibility and durability

• Mirrors: Large flat glass and integrated convex mirrors with available heating elements and motorized glass

• Fuel Tanks: D-shaped to maximize volume in a small space in sizes from 50 to 100 gallons

• Battery Box: Under-the-cab battery box features best-in-class stair-style steps for easy cab entry

• 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.