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About the Peterbilt 378
The Peterbilt 378 is a heavy-duty Class 8 conventional truck built for demanding haulage and vocational jobs. Celebrated for its rugged construction, flexible configurations and driver-focused ergonomics, it’s a popular choice for fleets and owner-operators needing dependable long-haul performance.
1991 Peterbilt 378 Cab
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
(USED / REPAIRABLE) 1991 Peterbilt 378 Conventional Cab For Sale, 6x4, GVWR Class 8: 33,001 LB and Over, VIN: 1XPFL59X1MN308168, Stock # 8141
$1,000 USDOpa-locka, FL- Auction

2006 Peterbilt 378 Tri-Axle Truck Tractor
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
2006 Peterbilt 378 Tri-Axle Truck Tractor, 14.9L L6 diesel, manual, A/C, with sliding 5th wheel, wet kit & headache rack, (815,564 miles) (Not Running, Condition Unknown) (Reads 28,666 hours) This is a Titled Item*
Thonotosassa, FLVisit Auction Website 
2001 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 1,196,946 mi
FOR SALE: 2001 PETERBILT 378 – FULLY REFURBISHED – LOW MILES ON OVERHAUL If you’re looking for a clean, dependable, and work-ready long-nose Peterbilt, this 2001 Peterbilt 378 checks every box. Powered by the leg...

2002 PETERBILT 378 HOODS
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
2002 PETERBILT 378 HOODS , FOR SALE IN MIAMI, FL USA. USED 378 PETERBILT HOOD,2002, COMPLETE, ALSO MANY HOODS IN STOCK,
Miami, FL
2010 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
2010 Peterbilt 378 6x4 T/A Sleeper Truck Tractor Hours and condition are captured at the time of listing and are subject to change. Please contact a representative about this piece of equipment for an updated rea...

