Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5320LSA43139 · Trailer · TRAILER
Carriers run under5
32 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJul 29, 2023
IA
Last seenMar 4, 2026
PA
Inspected under 5 different carriers in 32 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
1DW1A5320LSA43139
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
A43139

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 · Jul 29, 2023 – Mar 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 4, 2026PAIII · Driver-only1KNL LUXURY INC 3192962PD73539/IN
Nov 26, 2025WYIII · Driver-only0A1A PRIME LOGISTICS LLC 4143263PD73539/IN
Jan 29, 2024MOII · Walk-around0CATOCAROL TRANSPORTATION LLC 3938500PD73539/IN
Sep 27, 2023NMIII · Driver-only0SAID TRANSPORTATION LLC 3675330TM8815/ID
Jul 29, 2023IAIII · Driver-only0JANA TRANSPORTATION INC 2805121TM6815/ID
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KNL LUXURY INC3192962Mar 4, 2026Mar 4, 20261CA
A1A PRIME LOGISTICS LLC4143263Nov 26, 2025Nov 26, 20251IL
CATOCAROL TRANSPORTATION LLC3938500Jan 29, 2024Jan 29, 20241LA
SAID TRANSPORTATION LLC3675330Sep 27, 2023Sep 27, 20231KY
JANA TRANSPORTATION INC2805121Jul 29, 2023Jul 29, 20231PA
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.
PD73539INKNL LUXURY INCMar 4, 2026Mar 4, 20261
PD73539INA1A PRIME LOGISTICS LLCNov 26, 2025Nov 26, 20251
PD73539INCATOCAROL TRANSPORTATION LLCJan 29, 2024Jan 29, 20241
TM8815IDSAID TRANSPORTATION LLCSep 27, 2023Sep 27, 20231
TM6815IDJANA TRANSPORTATION INCJul 29, 2023Jul 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026