Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 379

1XP5DU9X7YN503751 · Truck-Tractor · TRUCK
Carriers run under1
27 mo
Inspections5
all-time
OOS inspections1
of 5
First seenFeb 26, 2024
LA
Last seenMay 26, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DU9X7YN503751
Make
Peterbilt
Model
379
Model year
2000
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
5DU9X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2000 or 2030

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

North American serial sequence
503751

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 · 492 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 492 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
2000

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 · Feb 26, 2024 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026LAIII · Driver-only0SPEARS TRANSPORTATION INC 3205015P259573/LA
Dec 2, 2025LAII · Walk-around0SPEARS TRANSPORTATION INC 3205015P259573/LA
May 19, 2025LAI · Full3OOSSPEARS TRANSPORTATION INC 3205015P259573/LA
Jul 30, 2024LAII · Walk-around2SPEARS TRANSPORTATION INC 3205015P259573/LA
Feb 26, 2024LAII · Walk-around3SPEARS TRANSPORTATION INC 3205015P259573/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEARS TRANSPORTATION INC3205015Feb 26, 2024May 26, 20265LA
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.
P259573LASPEARS TRANSPORTATION INCFeb 26, 2024May 26, 20265
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026