Equipment unit · VIN-decoded · NHTSA vPIC

2026 Stoughton Trailers

1DW1A5327TSB99131 · Trailer · TRAILER
Carriers run under2
16 mo
Inspections7
all-time
OOS inspections0
of 7
First seenMar 18, 2025
WY
Last seenJul 30, 2026
CA
Inspected under 2 different carriers in 16 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
1DW1A5327TSB99131
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2026
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1996 or 2026

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

North American serial sequence
B99131

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
2026

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 · Mar 18, 2025 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026CAIII · Driver-only1FATHER & SON HAULING LLC 20032201012545ST/IL
Jul 30, 2026ORIII · Driver-only2FATHER & SON HAULING LLC 20032201012545ST/IL
Jun 30, 2026WYI · Full0FATHER & SON HAULING LLC 20032201012545ST/IL
Jun 17, 2026WYIII · Driver-only3FATHER & SON HAULING LLC 2003220104410ST/IL
Jan 21, 2026OHIII · Driver-only0CASPIAN EXPRESS INC 34764041012545ST/IL
Dec 29, 2025NVIII · Driver-only0CASPIAN EXPRESS INC 34764041012545ST/IL
Mar 18, 2025WYIII · Driver-only0CASPIAN EXPRESS INC 34764041012545ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FATHER & SON HAULING LLC2003220Jun 17, 2026Jul 30, 20264IL
CASPIAN EXPRESS INC3476404Mar 18, 2025Jan 21, 20263IL
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.
1012545STIL2FATHER & SON HAULING LLCJun 30, 2026Jul 30, 20263
104410STIL2FATHER & SON HAULING LLCJun 17, 2026Jun 17, 20261
1012545STILCASPIAN EXPRESS INCMar 18, 2025Jan 21, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026