Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A532XLBA44007 · Trailer · TRAILER
Carriers run under3
12 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 12, 2023
WA
Last seenSep 26, 2024
IA
Inspected under 3 different carriers in 12 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
1DW1A532XLBA44007
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
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
1990 or 2020

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

North American serial sequence
A44007

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 · Sep 12, 2023 – Sep 26, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 26, 2024IAIII · Driver-only0UNUM FREIGHT INC 3775825TM9781/ID
Mar 26, 2024CAII · Walk-around1REAL STAR LOGISTIC LLC 4069817TM9781/ID
Sep 12, 2023WAI · Full2ONYX LOGISTICS INC 3553264TM9781/ID
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNUM FREIGHT INC3775825Sep 26, 2024Sep 26, 20241OH
REAL STAR LOGISTIC LLC4069817Mar 26, 2024Mar 26, 20241CA
ONYX LOGISTICS INC3553264Sep 12, 2023Sep 12, 20231CA
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.
TM9781IDUNUM FREIGHT INCSep 26, 2024Sep 26, 20241
TM9781IDREAL STAR LOGISTIC LLCMar 26, 2024Mar 26, 20241
TM9781IDONYX LOGISTICS INCSep 12, 2023Sep 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026