Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X3HD423759 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections5
all-time
OOS inspections1
of 5
First seenFeb 20, 2025
MD
Last seenOct 14, 2026
SC
Inspected under 2 different carriers in 20 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
1XPBDP9X3HD423759
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1987 or 2017

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

North American serial sequence
423759

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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.

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 20, 2025 – Oct 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2026SCII · Walk-around2OOSCAROLINA TRANSPORT OF OAK RIDGE INC 2951291TD2000/NC
Feb 17, 2026SCII · Walk-around0—CAROLINA TRANSPORT OF OAK RIDGE INC 2951291TD2000/NC
Dec 29, 2025SCII · Walk-around2—CAROLINA TRANSPORT OF OAK RIDGE INC 2951291TD2000/NC
Dec 29, 2025SCII · Walk-around0—CAROLINA TRANSPORT OF OAK RIDGE INC 2951291TD2000/NC
Feb 20, 2025MDII · Walk-around0—LPG LOGISTICS LLC 3142354TD2000/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAROLINA TRANSPORT OF OAK RIDGE INC2951291Dec 29, 2025Oct 14, 20264NC
LPG LOGISTICS LLC3142354Feb 20, 2025Feb 20, 20251NJ
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.
TD2000NC1CAROLINA TRANSPORT OF OAK RIDGE INCDec 29, 2025 → Oct 14, 20264
TD2000NC1LPG LOGISTICS LLCFeb 20, 2025 → Feb 20, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026