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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.
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2007 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
2007 Peterbilt 378 with 36” flattop unibilt sleeper, truck is on AirTrac suspension and I think it’s 228 wheelbase, has C11 cat 370hp and an Eaton 8LL. It is an old Baker Oil field truck that has had the 4.88 rea...
Midland, NCVisit Auction Website - Trusted SellerAuction
2007 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 388,975 mi
As Is, Where Is 2007 Peterbilt 378 with 36” flattop unibilt sleeper, truck is on AirTrac suspension and I think it’s 228 wheelbase, has C11 cat 370hp and an Eaton 8LL. It is an old Baker Oil field truck that has ...
Midland, NCVisit Auction Website 
1998 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 1,396,000 mi
1998 Peterbilt 378, 1,400,000 miles, 10 speed, tires and brakes almost new, M11 Cummins engine, really nice.
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2005 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
Description: Used Peterbilt 378 Daycab for sale. Features: Painted Air Cleaners, Chrome Bumper, Chrome Sun Visor, Dual Vertical Exhaust, Block Heater, Chrome Quarter Fenders, Air Ride Cab, and more. Visit Liberty...
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1999 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 76,219 mi
1999 PETERBILT 378 Day Cab, **Low Miles**, 6X4, wet kit, Caterpillar C12/C13, 400 h.p.10 spd transmission, spring suspension, differential lock, sliding fifth wheel, double frame, 76,219 miles, chassis weight 17,...
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1993 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 732,994 mi
GOOD OLDER TRUCK, RUNS GREAT! DUMP VALVE, DIFFERENTIAL LOCK!
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2006 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
2006 Peterbilt 378 semi truck Engine Cummins ISX 450 Transmission Eaton Fuller UltraShift Automated manual Chassis Dump valves Interior AC, Heat Heated mirrors Cruise control Air ride cab Features Tires Notes Win...
1996 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
1996 Peterbilt 378 heavy spec daycab. 822,300 miles, 66,000 GVWR. CAT 550 power, brake saver, manual 18 speed transmission, 22,000lb steer axle, 44,000lb rears, 4.11 rear ratio, Peterbilt Air Trac suspension, dou...
2000 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 332,936 mi
2000 Peterbilt 378, 333,000 original miles, C-12 Cat, 425 hp, 13 speed, new tires, radiator, brakes, new paint, excellent condition.
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2003 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 932,334 mi
2003 PETERBILT 378 TRUCK TRACTOR WITH 5' SINGLE BED SLEEPER CATERPILLAR C-15. 475 HP DIESEL ENGINE. EATON FULLER MANUAL TRANSMISSION. *Scroll down to view additional photos*
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128 — 2004 PETERBILT 378 DAY CAB TRUCK
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
Showing: 3,308 Miles; 1,911 Hours. STARTED ON SITE, FULL OPERATIONS NOT TESTED.
Buckeye, AZVisit Auction Website - Trusted Seller
1994 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 1,000,000 mi
1994 Peterbilt 378, PRE-EMISSION, New Crate Motor Detroit 60 Series engine installed 170,000 miles ago w/paperwork, 450 HP, Reman 18 Speed Manual Transmission installed 170,000 miles ago w/paperwork, New 1,850 Cl...
1998 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
1998 PETERBILT 378 **HEAVY SPEC W/ ENGINE REBUILD** DETROIT 60 SERIES - 12.7 L 321,868 KM ON ENGINE REBUILD FROM 2022 ENGINE SWAPPED AND INSTALLED IN THIS PETERBILT 1,991,090 KM ON BODY 13 SPEED EATON FULLER 235"...
2004 Peterbilt 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Gross weight: 26,308,357 kg
🚛 2004 Peterbilt 378 – Heavy-Duty Power, Classic Long-Nose Design 💪 CAT Power | Manual Transmission | Built to Haul The 2004 Peterbilt 378 is a true workhorse with a reputation for durability, driver comfort, and...
Greensboro, NC- Trusted Seller
2006 PETERBILT 378
- Manufacturer: Peterbilt
- Model: 378
- Horsepower: 550 hp
- Mileage: 472,818.05 mi
2006 Peterbilt 378 Tri-axle Sleeper Truck Tractor Comes with a Caterpillar C-15 diesel engine, 760925 km showing, 21543 engine hours showing, engine brake, upgraded to bigger single turbo from twin turbo, Eaton F...
