Equipment unit · VIN-decoded · NHTSA vPIC

1DW4C532XPPB28456

Not yet decoded
Carriers run under2
17 mo
Inspections2
all-time
OOS inspections1
of 2
First seenNov 13, 2024
WA
Last seenApr 18, 2026
WA
Inspected under 2 different carriers in 17 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4C532

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1993 or 2023

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

North American serial sequence
B28456

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
STOUGHTON TRAILERS

Prefix basis · 33 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 33 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 · Nov 13, 2024 – Apr 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 18, 2026WAI · Full8OOSG6 TRANSPORTATION LLC 4524684311328T/TN
Nov 13, 2024WAI · Full5J & H EXPRESS INC 1023155311328T/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
G6 TRANSPORTATION LLC4524684Apr 18, 2026Apr 18, 20261OR
J & H EXPRESS INC1023155Nov 13, 2024Nov 13, 20241WA
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.
311328TTNG6 TRANSPORTATION LLCApr 18, 2026Apr 18, 20261
311328TWAJ & H EXPRESS INCNov 13, 2024Nov 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC