Trucks · Make & Model reference
Peterbilt 379 Sleeper
Peterbilt 379 Sleeper — sleeper truck used across construction, logistics, and vocational fleets.
Operating weight
19,500 lb
Horsepower
400-600 hp
Years produced
1987-2007
AI-updated · Last refresh 7/20/2026
Full specifications
Horsepower400-600 hp
GVWR (typical)19,500 lb
Transmission10 - 18 speed manual / automated manual
EngineCummins / Detroit / PACCAR class 8 diesel
Fuel tank capacity100 - 150 gal (dual)
Sleeper size72 - 80 in
Wheelbase230 - 265 in
Recent auction history
| Year range | Hours | Avg | Low | High |
|---|---|---|---|---|
| 2002-2007 | under 500k mi | $52,500 | $39,500 | $68,500 |
| 1995-2001 | 500k - 800k mi | $35,000 | $26,500 | $45,500 |
| 1987-1994 | 800k+ mi | $22,000 | $16,500 | $28,500 |
AI price estimate
Excellent, low miles
2007 model year
$59,000
Good, average miles
2001 model year
$39,500
Fair, high miles
1987 model year
$22,000
Common problems to check
- EGR and DPF regeneration faults on emissions-era engines
- Air ride cab bushing wear
- APU / bunk HVAC failures
- Turbo actuator faults
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
Long-haul OTR freightTeam driving operationsCross-country dry vanReefer pulling
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