Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 379

1NP5XBEX4YN522396 · Truck · INCOMPLETE VEHICLE
Carriers run under2
10 mo
Inspections7
all-time
OOS inspections1
of 7
First seenSep 15, 2025
MD
Last seenJul 10, 2026
DE
Inspected under 2 different carriers in 10 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NP5XBEX4YN522396
Make
Peterbilt
Model
379
Model year
2000
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 23, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5XBEX

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
522396

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 · 55 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 55 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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Sep 15, 2025 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026DEIII · Driver-only1MARGOS TRUCKING INC 1123192378ED14/MD
Jun 10, 2026DEII · Walk-around0MARGOS TRUCKING INC 1123192378ED14/MD
Jun 5, 2026MDII · Walk-around0MARGOS TRUCKING INC 1123192378ED14/MD
May 12, 2026MDI · Full4OOSMARGOS TRUCKING INC 1123192378ED14/MD
Oct 15, 2025DEII · Walk-around0MARTINEZ HAULING INC 582145378ED14/MD
Sep 29, 2025MDII · Walk-around1MARGOS TRUCKING INC 1123192378ED14/MD
Sep 15, 2025MDI · Full2MARGOS TRUCKING INC 1123192378ED14/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARGOS TRUCKING INC1123192Sep 15, 2025Jul 10, 20266MD
MARTINEZ HAULING INC582145Oct 15, 2025Oct 15, 20251MD
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.
378ED14MD1MARGOS TRUCKING INCSep 15, 2025Jul 10, 20266
378ED14MDMARTINEZ HAULING INCOct 15, 2025Oct 15, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026