Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5329LSA31877 · Trailer · TRAILER
Carriers run under4
19 mo
Inspections4
all-time
OOS inspections3
of 4
First seenOct 8, 2024
WA
Last seenMay 29, 2026
WA
Inspected under 4 different carriers in 19 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
1DW1A5329LSA31877
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
9 · valid

Deterministic · position 9; calculated value 9.

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
A31877

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 · Oct 8, 2024 – May 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 29, 2026WAII · Walk-around2OOSSAFETY TRANSPORT LLC 3201461TM1795/ID
Mar 26, 2026PAI · Full13OOSMENOL TRUCKING LLC 3536897TM1795/ID
Feb 26, 2026ORIII · Driver-only1JERRY'S TRANSPORTATION INC 1452143TM1795/ID
Oct 8, 2024WAII · Walk-around1OOSLUNA TRANSPORT INC 4017469TM1795/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAFETY TRANSPORT LLC3201461May 29, 2026May 29, 20261KS
MENOL TRUCKING LLC3536897Mar 26, 2026Mar 26, 20261PA
JERRY'S TRANSPORTATION INC1452143Feb 26, 2026Feb 26, 20261NC
LUNA TRANSPORT INC4017469Oct 8, 2024Oct 8, 20241OR
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.
TM1795IDSAFETY TRANSPORT LLCMay 29, 2026May 29, 20261
TM1795IDMENOL TRUCKING LLCMar 26, 2026Mar 26, 20261
TM1795IDJERRY'S TRANSPORTATION INCFeb 26, 2026Feb 26, 20261
TM1795IDLUNA TRANSPORT INCOct 8, 2024Oct 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026