Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 379

1XP5DB9XX4D830262 · Truck-Tractor · TRUCK
Carriers run under1
12 mo
Inspections5
all-time
OOS inspections0
of 5
First seenDec 31, 2024
IA
Last seenDec 18, 2025
MT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9XX4D830262
Make
Peterbilt
Model
379
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2004 or 2034

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

North American serial sequence
830262

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
2004

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 · Dec 31, 2024 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025MTIII · Driver-only1LAID BACK EXPRESS LLC 2785524FX3191/IA
Jun 17, 2025SDIII · Driver-only3LAID BACK EXPRESS LLC 2785524FX3191/IA
Jun 13, 2025NEIII · Driver-only2LAID BACK EXPRESS LLC 2785524FX3191/IA
May 5, 2025IAIII · Driver-only1LAID BACK EXPRESS LLC 2785524FX3191/IA
Dec 31, 2024IAIII · Driver-only2LAID BACK EXPRESS LLC 2785524FX3191/IA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LAID BACK EXPRESS LLC2785524Dec 31, 2024Dec 18, 20255IA
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.
FX3191IALAID BACK EXPRESS LLCDec 31, 2024Dec 18, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026