Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5328PSB10723 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections7
all-time
OOS inspections2
of 7
First seenAug 30, 2023
UT
Last seenOct 22, 2025
IA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1DW1A5328PSB10723
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 19, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
B10723

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 · Aug 30, 2023 – Oct 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 22, 2025IAII · Walk-around1OOSWEST UA TRANSPORT INC 2163401E657452/MI
Jul 20, 2025NMII · Walk-around0WEST UA TRANSPORT INC 2163401E657452/MI
May 26, 2025TNIII · Driver-only0WEST UA TRANSPORT INC 2163401E657452/MI
Feb 13, 2025WAII · Walk-around0WEST UA TRANSPORT INC 2163401E657452/MI
Feb 2, 2025COIII · Driver-only0WEST UA TRANSPORT INC 2163401E657452/MI
Oct 11, 2023GAIII · Driver-only4OOSWEST UA TRANSPORT INC 2163401E657452/MI
Aug 30, 2023UTI · Full0WEST UA TRANSPORT INC 2163401E657452/MI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WEST UA TRANSPORT INC2163401Aug 30, 2023Oct 22, 20257MI
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.
E657452MIWEST UA TRANSPORT INCAug 30, 2023Oct 22, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026