Equipment unit · VIN-decoded · NHTSA vPIC

2021 Stoughton Trailers

1DW1A5323MSA48658 · Trailer · TRAILER
Carriers run under4
10 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 21, 2024
NM
Last seenSep 10, 2025
ME
Inspected under 4 different carriers in 10 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
1DW1A5323MSA48658
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2021
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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

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

North American serial sequence
A48658

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
2021

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 · Nov 21, 2024 – Sep 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 10, 2025MEII · Walk-around5UNIVERSAL GROUP TRANSPORT LLC 36092633230192/ME
Jul 31, 2025MEIII · Driver-only4FALCONWING HAULING INC 43797503230192/ME
May 23, 2025MAIII · Driver-only8OOSCARGO NETWORK EXPRESS INC 42731103230192/ME
Nov 21, 2024NMIII · Driver-only0JOSEPH FREIGHT EXPRESS LLC 38242883230192/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNIVERSAL GROUP TRANSPORT LLC3609263Sep 10, 2025Sep 10, 20251CA
FALCONWING HAULING INC4379750Jul 31, 2025Jul 31, 20251OR
CARGO NETWORK EXPRESS INC4273110May 23, 2025May 23, 20251OK
JOSEPH FREIGHT EXPRESS LLC3824288Nov 21, 2024Nov 21, 20241MD
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.
3230192MEUNIVERSAL GROUP TRANSPORT LLCSep 10, 2025Sep 10, 20251
3230192MEFALCONWING HAULING INCJul 31, 2025Jul 31, 20251
3230192MECARGO NETWORK EXPRESS INCMay 23, 2025May 23, 20251
3230192MEJOSEPH FREIGHT EXPRESS LLCNov 21, 2024Nov 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026