Equipment unit · VIN-decoded · NHTSA vPIC

2006 Peterbilt 379

1NP5DB9X66N635721 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under3
32 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 29, 2023
NY
Last seenFeb 9, 2026
NY
Inspected under 3 different carriers in 32 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
1NP5DB9X66N635721
Make
Peterbilt
Model
379
Model year
2006
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2006 or 2036

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

North American serial sequence
635721

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 · 475 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 475 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
2006

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
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 · Jun 29, 2023 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026NYIII · Driver-only0CONTRANS VRAC INC 526958LE60382/QC
May 14, 2024NYII · Walk-around0GTI ROLL TRANSPORTATION SERVICES INC 770582L730502/PQ
Oct 5, 2023NYIII · Driver-only1GTI ROLL TRANSPORTATION SERVICES INC 770582L730502/PQ
Jun 29, 2023NYII · Walk-around2EXPRESS RBR INC 3644957L730502/PQ
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONTRANS VRAC INC526958Feb 9, 2026Feb 9, 20261QC
GTI ROLL TRANSPORTATION SERVICES INC770582Oct 5, 2023May 14, 20242QC
EXPRESS RBR INC3644957Jun 29, 2023Jun 29, 20231QC
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.
LE60382QCCONTRANS VRAC INCFeb 9, 2026Feb 9, 20261
L730502PQGTI ROLL TRANSPORTATION SERVICES INCOct 5, 2023May 14, 20242
L730502PQEXPRESS RBR INCJun 29, 2023Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026