Equipment unit · VIN-decoded · NHTSA vPIC

2023 Stoughton Trailers

1DW1A532XPSB12487 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections13
all-time
OOS inspections0
of 13
First seenJul 28, 2023
CO
Last seenJul 27, 2026
SD
Inspected under 2 different carriers in 36 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
1DW1A532XPSB12487
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
X · valid

Deterministic · position 9; calculated value X.

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
B12487

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 · Jul 28, 2023 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026SDII · Walk-around1SPEAR LOGISTICS LLC 3199716984343ST/IL
Jul 16, 2026SCIII · Driver-only1SPEAR LOGISTICS LLC 3199716984343ST/IL
Feb 19, 2026MOII · Walk-around0ALL ACES TRUCKING LLC 3787809523AC447/IL
Jan 29, 2026TNIII · Driver-only0SPEAR LOGISTICS LLC 3199716523AC447/IL
Jan 5, 2026WIIII · Driver-only4SPEAR LOGISTICS LLC 3199716NO PLATE/IL
Oct 7, 2025WVII · Walk-around3SPEAR LOGISTICS LLC 3199716NOREG/IL
Aug 23, 2024TXII · Walk-around0SPEAR LOGISTICS LLC 3199716879884/IL
Jun 27, 2024MOII · Walk-around2SPEAR LOGISTICS LLC 3199716879884ST/IL
May 3, 2024ILIII · Driver-only0SPEAR LOGISTICS LLC 3199716879884ST/IL
Jan 27, 2024TNIII · Driver-only1SPEAR LOGISTICS LLC 3199716879884ST/IL
Jan 24, 2024KYII · Walk-around0SPEAR LOGISTICS LLC 3199716879884ST/IL
Aug 4, 2023KSIII · Driver-only0SPEAR LOGISTICS LLC 3199716879884ST/IL
Jul 28, 2023COIII · Driver-only1SPEAR LOGISTICS LLC 3199716879884ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPEAR LOGISTICS LLC3199716Jul 28, 2023Jul 27, 202612IA
ALL ACES TRUCKING LLC3787809Feb 19, 2026Feb 19, 20261IA
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.
984343STIL2SPEAR LOGISTICS LLCJul 16, 2026Jul 27, 20262
523AC447ILALL ACES TRUCKING LLCFeb 19, 2026Feb 19, 20261
523AC447ILSPEAR LOGISTICS LLCJan 29, 2026Jan 29, 20261
NO PLATEILSPEAR LOGISTICS LLCJan 5, 2026Jan 5, 20261
NOREGILSPEAR LOGISTICS LLCOct 7, 2025Oct 7, 20251
879884ILSPEAR LOGISTICS LLCAug 23, 2024Aug 23, 20241
879884STILSPEAR LOGISTICS LLCJul 28, 2023Jun 27, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026