Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5328PBB11645 · Trailer · TRAILER
Carriers run under4
33 mo
Inspections4
all-time
OOS inspections2
of 4
First seenAug 1, 2023
CO
Last seenMay 20, 2026
TX
Inspected under 4 different carriers in 33 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
1DW1A5328PBB11645
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
B11645

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
2023

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 · Aug 1, 2023 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026TXII · Walk-around2OOSIQS GROUP LLC 34342905160202/ME
Feb 1, 2026TXII · Walk-around3OOSAMT EXPRESS LLC 33191825160202/ME
Dec 30, 2025ARIII · Driver-only0SEMAYAS TRANSPORTATION LLC 29198705160202/ME
Aug 1, 2023COIII · Driver-only0BLUJOY TRANSPORT LLC 36882045460202/ME
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
IQS GROUP LLC3434290May 20, 2026May 20, 20261OH
AMT EXPRESS LLC3319182Feb 1, 2026Feb 1, 20261TX
SEMAYAS TRANSPORTATION LLC2919870Dec 30, 2025Dec 30, 20251TX
BLUJOY TRANSPORT LLC3688204Aug 1, 2023Aug 1, 20231NV
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.
5160202MEIQS GROUP LLCMay 20, 2026May 20, 20261
5160202MEAMT EXPRESS LLCFeb 1, 2026Feb 1, 20261
5160202MESEMAYAS TRANSPORTATION LLCDec 30, 2025Dec 30, 20251
5460202ME2BLUJOY TRANSPORT LLCAug 1, 2023Aug 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026