Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A5322PSB12483 · Trailer · TRAILER
Carriers run under4
28 mo
Inspections8
all-time
OOS inspections2
of 8
First seenFeb 8, 2024
VA
Last seenJun 17, 2026
LA
Inspected under 4 different carriers in 28 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
1DW1A5322PSB12483
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
B12483

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 · Feb 8, 2024 – Jun 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 17, 2026LAIII · Driver-only1ALL ACES TRUCKING LLC 3787809879835ST/IL
Mar 30, 2026INIII · Driver-only2STEELWOLF LOGISTICS LLC 44608644WR4193/IN
Dec 26, 2025INIII · Driver-only0STEELWOLF LOGISTICS LLC 44608644WR4193/CA
May 11, 2025MOII · Walk-around3OOSCALZADA FAMILY TRANSPORT LLC 33760944WR4193/CA
Apr 8, 2025CTIII · Driver-only1CALZADA FAMILY TRANSPORT LLC 33760944WR4193/CA
Jun 20, 2024COII · Walk-around6OOSSPEAR LOGISTICS LLC 3199716879835ST/IL
Mar 14, 2024SDIII · Driver-only0SPEAR LOGISTICS LLC 3199716879835ST/IL
Feb 8, 2024VAIII · Driver-only0SPEAR LOGISTICS LLC 3199716879835ST/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALL ACES TRUCKING LLC3787809Jun 17, 2026Jun 17, 20261IA
STEELWOLF LOGISTICS LLC4460864Dec 26, 2025Mar 30, 20262IN
CALZADA FAMILY TRANSPORT LLC3376094Apr 8, 2025May 11, 20252PA
SPEAR LOGISTICS LLC3199716Feb 8, 2024Jun 20, 20243IA
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.
879835STIL2ALL ACES TRUCKING LLCJun 17, 2026Jun 17, 20261
4WR4193INSTEELWOLF LOGISTICS LLCMar 30, 2026Mar 30, 20261
4WR4193CASTEELWOLF LOGISTICS LLCDec 26, 2025Dec 26, 20251
4WR4193CACALZADA FAMILY TRANSPORT LLCApr 8, 2025May 11, 20252
879835STILSPEAR LOGISTICS LLCFeb 8, 2024Jun 20, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026