Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5324LSA43144 · Trailer · TRAILER
Carriers run under4
21 mo
Inspections4
all-time
OOS inspections2
of 4
First seenApr 21, 2024
CA
Last seenJan 20, 2026
IN
Inspected under 4 different carriers in 21 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
1DW1A5324LSA43144
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
4 · valid

Deterministic · position 9; calculated value 4.

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
A43144

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 · Apr 21, 2024 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026INI · Full1OOSRAPID DOVE LLC 3485272TM6820/ID
Jun 27, 2025CAIII · Driver-only1SAHAR TRANSPORTATION INC 4124414TM6820/ID
Jun 12, 2025WIII · Walk-around1OOSSONGBIRD INC 3619448TM6820/ID
Apr 21, 2024CAIII · Driver-only1TRIPLE R LOGISTICS LLC 2538357TM6820/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAPID DOVE LLC3485272Jan 20, 2026Jan 20, 20261MI
SAHAR TRANSPORTATION INC4124414Jun 27, 2025Jun 27, 20251CA
SONGBIRD INC3619448Jun 12, 2025Jun 12, 20251IL
TRIPLE R LOGISTICS LLC2538357Apr 21, 2024Apr 21, 20241DE
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.
TM6820IDRAPID DOVE LLCJan 20, 2026Jan 20, 20261
TM6820IDSAHAR TRANSPORTATION INCJun 27, 2025Jun 27, 20251
TM6820IDSONGBIRD INCJun 12, 2025Jun 12, 20251
TM6820IDTRIPLE R LOGISTICS LLCApr 21, 2024Apr 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026