Equipment unit · VIN-decoded · NHTSA vPIC

2022 Stoughton Trailers

1DW1A5326NSA87147 · Trailer · TRAILER
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMar 17, 2024
TN
Last seenOct 23, 2026
IN
Inspected under 2 different carriers in 31 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
1DW1A5326NSA87147
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 12, 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
1992 or 2022

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

North American serial sequence
A87147

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 · Mar 17, 2024 – Oct 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2026INIII · Driver-only1—KN EXPRESS INC 2480264866140ST/IL
Sep 23, 2026CTII · Walk-around2—PFH AIR LLC 3067240866140ST/IL
Feb 13, 2026GAIII · Driver-only1—PFH AIR LLC 3067240866140ST/IL
Mar 17, 2024TNI · Full0—PFH AIR LLC 3067240866140ST/UK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KN EXPRESS INC2480264Oct 23, 2026Oct 23, 20261IL
PFH AIR LLC3067240Mar 17, 2024Sep 23, 20263IL
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.
866140STIL2KN EXPRESS INCOct 23, 2026 → Oct 23, 20261
866140STIL2PFH AIR LLCFeb 13, 2026 → Sep 23, 20262
866140STUK—PFH AIR LLCMar 17, 2024 → Mar 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 12, 2026