2003 Peterbilt 379 – CAT 3406E (2WS) – Fresh Engine Rebuild
$72000
If you’re looking for a 2003 Peterbilt 379 for sale powered by the legendary Caterpillar 3406E 2WS, this truck is ready to go to work. Featuring a professionally rebuilt engine completed in December 2025, approximately $35,000 invested, and only 79,288 miles since the rebuild, this Peterbilt is built for reliability and long service life.
The truck runs and drives exceptionally well with strong pulling power, smooth operation, and no unusual noises or vibrations. It has been maintained throughout its life and is ready for its next owner.
Specifications
Year: 2003
Make: Peterbilt
Model: 379
Wheelbase: 300”
Engine: Caterpillar 3406E (2WS)
Transmission: 10-Speed Manual
Rear Ratio: 3.55
Mileage Since Rebuild: 79,288
Location: Atlanta, Georgia
Price: $72000
Professional Engine Rebuild
The engine was professionally rebuilt in December 2025.
Approximately $35,000 was invested in the rebuild.
Warranty:
One-year warranty from the rebuild (include details if still applicable)
Receipts available.
2003 Peterbilt 379 Double Frame Chassis 300 inches wheelbase.
This 2003 Peterbilt 379 features a full double frame extending from the front drive axle airbag mounts all the way under the sleeper, providing exceptional structural strength compared to trucks with only a partial reinforcement.
The extended double frame is ideal for demanding applications such as:
Car hauling
Heavy hauling
Specialized vocational builds
Long wheelbase conversions
Custom equipment installations
Combined with the 300-inch wheelbase, this reinforced chassis offers outstanding durability, reduced frame flex under heavy loads, and long-term reliability.
Major Components Replaced
New Radiator
Six New Injectors
Camshaft
Turbocharger
Vibration Damper
Oil Cooler
Oil Pump
OEM Water Pump
Air Compressor
Front Structure Rebuilt
Drivetrain
10-Speed Manual Transmission
3.55 Rear Differential
Additional Maintenance
New Clutch (August 2022)
Complete Steering System Replaced (June 2022)
Steering Pump
Steering Gearbox
Condition
This truck starts easily, runs cool, pulls strong, and drives exactly as a freshly rebuilt CAT-powered Peterbilt should.
No unusual vibrations.
No abnormal engine noises.
Ready to work immediately.
Included
Rebuild receipts
Engine rebuild photos
Additional photos and videos available upon request
Contact
Call or Text
404-200-3484
FAQ
Is the rebuild documented?
Yes. Receipts and rebuild photos are available.
How many miles are on the rebuild?
79,288 miles.
What engine is in the truck?
1999 Caterpillar 3406E (2WS).
Is the truck ready to work?
Yes. It is fully operational and ready for immediate use.
Can delivery be arranged?
Yes. Delivery assistance may be available.
2003 Peterbilt 379 CAT 3406E (2WS) – Walkaround Video
Watch a complete walkaround of this 2003 Peterbilt 379 powered by the legendary Caterpillar CAT 3406E (2WS) engine. This truck features a 300-inch wheelbase, a 10-speed manual transmission, and a professional engine rebuild completed in December 2025.
The video shows the truck inside and out, including the exterior, frame, sleeper, interior, engine condition, and overall appearance. It also demonstrates the truck running and highlights its excellent mechanical condition.
Highlights
Price: $72,000
2003 Peterbilt 379
CAT 3406E (2WS)
Professional engine rebuild (December 2025)
Approximately $35,000 invested in the rebuild
Approximately 79,288 miles since rebuild
300-inch wheelbase
10-speed manual transmission
3.55 rear ratio
Rebuild receipts available
Runs and drives excellent
Ready to work immediately
If you have any questions or would like additional photos, videos, rebuild documentation, or shipping information, feel free to contact us. Delivery assistance may be available.

