Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5329PSB12402 · Trailer · TRAILER
Carriers run under4
24 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMay 13, 2024
NE
Last seenMay 11, 2026
KY
Inspected under 4 different carriers in 24 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
1DW1A5329PSB12402
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 27, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
B12402

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 · May 13, 2024 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026KYI · Full1SOSAD TRUCKIN LLC 4022220915211ST/IL
Oct 16, 2025NMII · Walk-around1OOSVANNER INC 3048083915211ST/IL
Sep 25, 2025INIII · Driver-only1NUKA EXPRESS INC 3564601915211ST/IL
Oct 7, 2024NMII · Walk-around0VANNER INC 3048083915211ST/IL
May 13, 2024NEIII · Driver-only0A F F TRANS LLC 1730271915211ST/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOSAD TRUCKIN LLC4022220May 11, 2026May 11, 20261OH
VANNER INC3048083Oct 7, 2024Oct 16, 20252IL
NUKA EXPRESS INC3564601Sep 25, 2025Sep 25, 20251OH
A F F TRANS LLC1730271May 13, 2024May 13, 20241IL
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.
915211STILSOSAD TRUCKIN LLCMay 11, 2026May 11, 20261
915211STILVANNER INCOct 7, 2024Oct 16, 20252
915211STILNUKA EXPRESS INCSep 25, 2025Sep 25, 20251
915211STILA F F TRANS LLCMay 13, 2024May 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026