Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X43D594786 · Truck-Tractor · TRUCK
Carriers run under1
24 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 4, 2024
CO
Last seenJun 18, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X43D594786
Make
Peterbilt
Model
379
Model year
2003
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5DB9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2003 or 2033

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
594786

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2003

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 4, 2024 – Jun 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 18, 2026COII · Walk-around15OOSBAR 55 TRUCKING INC 2902385187XAW/CO
Jun 27, 2025NMI · Full4OOSBAR 55 TRUCKING INC 2902385187XAW/CO
Jan 9, 2025INIII · Driver-only1BAR 55 TRUCKING INC 2902385187XAW/CO
Oct 4, 2024COII · Walk-around1BAR 55 TRUCKING INC 2902385187XAW/CO
Aug 21, 2024MSIII · Driver-only0BAR 55 TRUCKING INC 2902385187XAW/CO
Jun 4, 2024COII · Walk-around5BAR 55 TRUCKING INC 2902385187XAW/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BAR 55 TRUCKING INC2902385Jun 4, 2024Jun 18, 20266CO
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
187XAWCO1BAR 55 TRUCKING INCJun 4, 2024Jun 18, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026