Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5326PSB11093 · Trailer · TRAILER
Carriers run under1
3 mo
Inspections5
all-time
OOS inspections1
of 5
First seenDec 22, 2025
NM
Last seenMar 31, 2026
UT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1DW1A5326PSB11093
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
1DW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1A532

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
B11093

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 · 12,945 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 12,945 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
STOUGHTON TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Stoughton Trailers

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Dec 22, 2025 – Mar 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 31, 2026UTI · Full6OOSOPOL FREIGHT INC 3534004904566/IL
Mar 16, 2026IAIII · Driver-only0OPOL FREIGHT INC 3534004904566ST/IL
Mar 16, 2026IAIII · Driver-only0OPOL FREIGHT INC 3534004904566ST/IL
Jan 7, 2026NEIII · Driver-only0OPOL FREIGHT INC 3534004904566ST/IL
Dec 22, 2025NMIII · Driver-only0OPOL FREIGHT INC 35340049054566ST/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OPOL FREIGHT INC3534004Dec 22, 2025Mar 31, 20265IL
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.
904566ILOPOL FREIGHT INCMar 31, 2026Mar 31, 20261
904566STILOPOL FREIGHT INCJan 7, 2026Mar 16, 20263
9054566STILOPOL FREIGHT INCDec 22, 2025Dec 22, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026