Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 389

1XPXD49X6JD486686 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJun 25, 2023
TX
Last seenNov 5, 2025
SD
Inspected under 2 different carriers in 29 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
1XPXD49X6JD486686
Make
Peterbilt
Model
389
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
XD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1988 or 2018

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

North American serial sequence
486686

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

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 · Jun 25, 2023 – Nov 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 5, 2025SDIII · Driver-only0WOOLLEY TRUCKING LLC 2178377P1266432/IL
Oct 3, 2025IAIII · Driver-only2WOOLLEY TRUCKING LLC 2178377P 1266432/IL
Feb 26, 2025ALII · Walk-around2OOSWOOLLEY TRUCKING LLC 2178377P1266432/IL
Jan 5, 2024NDIII · Driver-only0QUALITY TRANSPORTATION INC 265176PA28994/MT
Oct 9, 2023SDIII · Driver-only0QUALITY TRANSPORTATION INC 265176PA28994/MT
Aug 24, 2023NDI · Full0QUALITY TRANSPORTATION INC 265176PA28994/MT
Jun 25, 2023TXII · Walk-around0QUALITY TRANSPORTATION INC 265176PA28994/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WOOLLEY TRUCKING LLC2178377Feb 26, 2025Nov 5, 20253IL
QUALITY TRANSPORTATION INC265176Jun 25, 2023Jan 5, 20244MT
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.
P1266432ILWOOLLEY TRUCKING LLCFeb 26, 2025Nov 5, 20252
P 1266432ILWOOLLEY TRUCKING LLCOct 3, 2025Oct 3, 20251
PA28994MTQUALITY TRANSPORTATION INCJun 25, 2023Jan 5, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026