Equipment unit · VIN-decoded · NHTSA vPIC

2017 Stoughton Trailers

1DW1A532XHB731623 · Trailer · TRAILER
Carriers run under3
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenDec 19, 2023
NM
Last seenSep 24, 2026
CA
Inspected under 3 different carriers in 33 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
1DW1A532XHB731623
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
731623

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.

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 19, 2023 – Sep 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2026CAII · Walk-around0—TSST LLC 13566231046857/IL
Jun 26, 2026ILIII · Driver-only0—KIROV VM INC 39471721046857ST/IL
Dec 31, 2025KYIII · Driver-only0—KIROV VM INC 3947172TEMP/IL
Dec 19, 2023NMII · Walk-around2OOSIMG TRUCKING INC 1943083585562/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TSST LLC1356623Sep 24, 2026Sep 24, 20261IL
KIROV VM INC3947172Dec 31, 2025Jun 26, 20262IL
IMG TRUCKING INC1943083Dec 19, 2023Dec 19, 20231IL
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.
1046857IL2TSST LLCSep 24, 2026 → Sep 24, 20261
1046857STIL2KIROV VM INCJun 26, 2026 → Jun 26, 20261
TEMPIL—KIROV VM INCDec 31, 2025 → Dec 31, 20251
585562IL—IMG TRUCKING INCDec 19, 2023 → Dec 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026