Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5321LBA43926 · Trailer · TRAILER
Carriers run under4
20 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 9, 2024
CA
Last seenSep 30, 2025
VA
Inspected under 4 different carriers in 20 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
1DW1A5321LBA43926
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
1 · valid

Deterministic · position 9; calculated value 1.

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
A43926

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 · Jan 9, 2024 – Sep 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 30, 2025VAII · Walk-around4OOSUNI LOGISTICS LLC 4330853TM9700/ID
May 27, 2024CAIII · Driver-only1CHARRU TRANSPORT INC 3962657TM9700/ID
Jan 13, 2024CAI · Full4SHAH TRUCKING LLC 3512952TM9700/ID
Jan 9, 2024CAIII · Driver-only1S&S TRANSPORTATION INC 3776859TM9700/ID
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNI LOGISTICS LLC4330853Sep 30, 2025Sep 30, 20251OH
CHARRU TRANSPORT INC3962657May 27, 2024May 27, 20241CA
SHAH TRUCKING LLC3512952Jan 13, 2024Jan 13, 20241CA
S&S TRANSPORTATION INC3776859Jan 9, 2024Jan 9, 20241CA
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.
TM9700IDUNI LOGISTICS LLCSep 30, 2025Sep 30, 20251
TM9700IDCHARRU TRANSPORT INCMay 27, 2024May 27, 20241
TM9700IDSHAH TRUCKING LLCJan 13, 2024Jan 13, 20241
TM9700IDS&S TRANSPORTATION INCJan 9, 2024Jan 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026