Trucks · Make & Model reference
Western Star 57X Sleeper
Western Star 57X Sleeper — sleeper truck used across construction, logistics, and vocational fleets.
Operating weight
17,500 lb
Horsepower
400-505 hp
Years produced
2021-Present
AI-updated · Last refresh 7/20/2026
Full specifications
Horsepower400-505 hp
GVWR (typical)17,500 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 |
|---|---|---|---|---|
| 2024-2026 | under 400k mi | $108,000 | $81,000 | $140,500 |
| 2021-2023 | 400k - 800k mi | $70,500 | $53,000 | $91,500 |
AI price estimate
Excellent, low miles
2024 model year
$127,000
Good, average miles
2021 model year
$84,500
Fair, high miles
2021 model year
$47,000
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
- Heavy vocational chassis
- Customizable for severe duty
- Strong frame and driveline
- Detroit powertrain options
Best jobs for this machine
Long-haul OTR freightTeam driving operationsCross-country dry vanReefer pulling
Western Star 57X Sleeper for sale on Equip Place
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