New Peterbilt 579
| Specification | Details |
|---|---|
| Class | 8 |
| Used For | On-Highway |
| Max Horsepower | Up to 605 hp |
| Peak Torque | Up to 2,050 lb.-ft. |
| Front Axle & Suspension | 12,000 - 14,600 lbs. |
| Rear Axle & Suspension | 21,000 - 46,000 lbs. (available lift axles) |
| Sleeper | 44" - 80" |
The New Peterbilt Model 579 sets the benchmark for Class 8 aerodynamic efficiency and fuel economy. Engineered with a sloped Metton hood, sculpted bumper, air-dam, and optimal airflow fairings, the 579 delivers a bold exterior presence alongside industry-leading performance and uptime for regional and long-haul operations.
Powered by the integrated PACCAR Powertrain featuring MX-13 or MX-11 engines, or available Cummins X15 engines, the 579 delivers up to 605 HP and 2,050 lb.-ft. of torque. Paired with the PACCAR TX-12 automated transmission, it optimizes shifting precision, reduces overall maintenance, and maximizes payload payload efficiency.
Designed around driver comfort and productivity, the 2.1-meter quiet cab features a 15-inch customizable digital display, smart steering wheel controls, and integrated driver assistance safety systems. Available in Day Cab or sleeper configurations up to 80 inches, including the UltraLoft sleeper with maximum headroom and premium storage.
Flexible Financing & Full-Service Leasing for Your New Peterbilt 579
Whether you are acquiring a single custom chassis or expanding a commercial fleet, JX® Financial delivers structured purchasing, leasing, and rental programs tailored directly to your cash flow and operational requirements.
TRAC Leases
Lower your monthly investment while enjoying flexible residual structures, potential tax benefits, and end-of-term options designed for commercial equipment.
Full-Service Leasing
Drive a new Peterbilt 579 under one predictable monthly payment that integrates complete preventative maintenance and repair support across the JX network.
Retail Equipment Loans
Traditional equipment financing featuring competitive interest rates and customized term lengths engineered to help owner-operators build equity in their chassis.
Commercial Truck Rentals
Flexible daily, weekly, or monthly rental options via JX Rental to manage seasonal freight surges, unexpected contract growth, or emergency fleet needs.
Custom Cash-Flow Scheduling
Structured payment plans aligned directly with your business revenue cycles, reducing financial strain during off-peak seasonal freight months.
First-Time Buyer Solutions
Dedicated credit and guidance programs engineered specifically to help independent drivers and start-up carriers establish their trucking operations.
The JX Financial Advantage
- Fast 24–48 Hour Credit Decisions: Streamlined online application processing to minimize downtime and get your truck on the road.
- Unified Fleet Credit Lines: One credit approval establishes your purchasing line across vehicle sales, long-term leasing, and short-term rentals.
- Parts & Service Credit Support: Dedicated credit lines for ongoing preventative maintenance, OEM parts, and major component repairs.