Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A532XLSA30057 · Trailer · TRAILER
Carriers run under4
16 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJan 17, 2024
TX
Last seenMay 22, 2025
NM
Inspected under 4 different carriers in 16 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
1DW1A532XLSA30057
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 5, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1990 or 2020

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

North American serial sequence
A30057

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
2020

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 · Jan 17, 2024 – May 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2025NMII · Walk-around0ALIAKSANDR SHPAK 3681378TM5273/ID
Sep 16, 2024CAII · Walk-around3OOSCA STAFF INC 4095252TM5273/ID
Aug 29, 2024UTI · Full7OOSKANG TRANSPORT INC 2995410TM5273/ID
Jan 17, 2024TXII · Walk-around0BIRSAN EXPRESS INC 3038469TM5273/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALIAKSANDR SHPAK3681378May 22, 2025May 22, 20251CA
CA STAFF INC4095252Sep 16, 2024Sep 16, 20241WA
KANG TRANSPORT INC2995410Aug 29, 2024Aug 29, 20241WA
BIRSAN EXPRESS INC3038469Jan 17, 2024Jan 17, 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.
TM5273IDALIAKSANDR SHPAKMay 22, 2025May 22, 20251
TM5273IDCA STAFF INCSep 16, 2024Sep 16, 20241
TM5273IDKANG TRANSPORT INCAug 29, 2024Aug 29, 20241
TM5273IDBIRSAN EXPRESS INCJan 17, 2024Jan 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026