Trucks · Make & Model reference
Peterbilt 378 Reefer
Peterbilt 378 Reefer — refrigerated / reefer truck used across construction, logistics, and vocational fleets.
Operating weight
17,000 lb
Horsepower
330-475 hp
Years produced
1986-2007
AI-updated · Last refresh 7/20/2026
Full specifications
Horsepower330-475 hp
GVWR (typical)17,000 lb
Transmission10 - 18 speed manual / automated manual
EngineCummins / Detroit / PACCAR class 8 diesel
Fuel tank capacity100 - 150 gal (dual)
Reefer unitCarrier / Thermo King
Trailer length pulled48 - 53 ft
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2002-2007 | under 500k mi | $50,500 | $38,000 | $66,000 |
| 1995-2001 | 500k - 800k mi | $34,000 | $25,500 | $44,000 |
| 1986-1994 | 800k+ mi | $21,000 | $16,000 | $27,500 |
AI price estimate
Excellent, low miles
2007 model year
$57,000
Good, average miles
2001 model year
$38,000
Fair, high miles
1986 model year
$21,000
Common problems to check
- Reefer unit belt and clutch wear
- Alternator load issues from reefer power
- Fuel contamination affecting reefer
- Trailer power cord corrosion
Why buyers pick it
- Iconic driver comfort and resale value
- Strong dealer network
- Durable aluminum cab
- Solid PACCAR / Cummins drivetrain options
Best jobs for this machine
Temperature-controlled freightProduce haulingFrozen food distributionPharma logistics
Peterbilt 378 Reefer for sale on Equip Place
No live listings yet. Set an alert →