Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A2817XS296928

Not yet decoded
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 28, 2025
CA
Last seenMar 20, 2026
WA
Inspected under 2 different carriers in 9 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
1A281

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1999 or 2029

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

North American serial sequence
296928

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 · 140 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 140 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 · Jun 28, 2025 – Mar 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2026WAIII · Driver-only1BOOMERANG EXPRESS LLC 28646474JP2945/CA
Jun 28, 2025CAIII · Driver-only0WEST TRANSPORT LLC 25918694JP2945/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOOMERANG EXPRESS LLC2864647Mar 20, 2026Mar 20, 20261OR
WEST TRANSPORT LLC2591869Jun 28, 2025Jun 28, 20251NV
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.
4JP2945CABOOMERANG EXPRESS LLCMar 20, 2026Mar 20, 20261
4JP2945CAWEST TRANSPORT LLCJun 28, 2025Jun 28, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC