Equipment unit · VIN-decoded · NHTSA vPIC

2001 Peterbilt 379

1NP5DR9X51D560324 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under3
12 mo
Inspections5
all-time
OOS inspections5
of 5
First seenAug 6, 2024
TX
Last seenAug 28, 2025
TX
Inspected under 3 different carriers in 12 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
1NP5DR9X51D560324
Make
Peterbilt
Model
379
Model year
2001
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5DR9X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2001 or 2031

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

North American serial sequence
560324

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 · 19 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 19 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
2001

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 · Aug 6, 2024 – Aug 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2025TXII · Walk-around6OOSAGGREGATE HAULERS I L P 10214851N81483/TX
Aug 14, 2025TXII · Walk-around5OOSAGGREGATE HAULERS I L P 10214851N81483/TX
Jun 26, 2025TXII · Walk-around3OOSAGGREGATE HAULERS I L P 10214851N81483/TX
Mar 19, 2025TXII · Walk-around5OOSJ&M BURNS TRANSPORTATION INC 3059391R772695/TX
Aug 6, 2024TXII · Walk-around6OOSSVAZQUEZ TRUCKING LLC 3740451JD00HH/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AGGREGATE HAULERS I L P1021485Jun 26, 2025Aug 28, 20253TX
J&M BURNS TRANSPORTATION INC3059391Mar 19, 2025Mar 19, 20251TX
SVAZQUEZ TRUCKING LLC3740451Aug 6, 2024Aug 6, 20241TX
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.
1N81483TXAGGREGATE HAULERS I L PJun 26, 2025Aug 28, 20253
R772695TXJ&M BURNS TRANSPORTATION INCMar 19, 2025Mar 19, 20251
JD00HHFLSVAZQUEZ TRUCKING LLCAug 6, 2024Aug 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026