Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5325LSA43024 · Trailer · TRAILER
Carriers run under3
14 mo
Inspections3
all-time
OOS inspections3
of 3
First seenMay 14, 2024
TN
Last seenJul 10, 2025
WA
Inspected under 3 different carriers in 14 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
1DW1A5325LSA43024
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
5 · valid

Deterministic · position 9; calculated value 5.

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
A43024

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 · May 14, 2024 – Jul 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2025WAII · Walk-around2OOSAL-AMIN EXPRESS INC 3829280TM6700/ID
Mar 8, 2025CAI · Full1OOSUNITED INTERSTATE GROUP LLC 4253326TM6700/ID
May 14, 2024TNI · Full4OOSROYAL TRANSPORTATION LLC 3085669TM6700/UK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AL-AMIN EXPRESS INC3829280Jul 10, 2025Jul 10, 20251IL
UNITED INTERSTATE GROUP LLC4253326Mar 8, 2025Mar 8, 20251CA
ROYAL TRANSPORTATION LLC3085669May 14, 2024May 14, 20241TN
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.
TM6700IDAL-AMIN EXPRESS INCJul 10, 2025Jul 10, 20251
TM6700IDUNITED INTERSTATE GROUP LLCMar 8, 2025Mar 8, 20251
TM6700UKROYAL TRANSPORTATION LLCMay 14, 2024May 14, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026