Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A4823FS598901

Not yet decoded
Carriers run under2
17 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 30, 2025
IL
Last seenJun 29, 2026
IL
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
1A482

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
598901

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 · 96 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 96 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 · Jan 30, 2025 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026ILII · Walk-around0ROBERT L BOENTE 12794241040912ST/IL
Jan 30, 2025ILIII · Driver-only1JOHN O'BRIEN 765694536873ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERT L BOENTE1279424Jun 29, 2026Jun 29, 20261IL
JOHN O'BRIEN765694Jan 30, 2025Jan 30, 20251IL
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.
1040912STIL2ROBERT L BOENTEJun 29, 2026Jun 29, 20261
536873STILJOHN O'BRIENJan 30, 2025Jan 30, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC