Equipment unit · VIN-decoded · NHTSA vPIC

2015 Stoughton Trailers

1DW1A5324FS574104 · Trailer · TRAILER
Carriers run under3
5 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJan 21, 2026
SD
Last seenJun 30, 2026
UT
Inspected under 3 different carriers in 5 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
1DW1A5324FS574104
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2015
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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1985 or 2015

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

North American serial sequence
574104

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
2015

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 · Jan 21, 2026 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026UTIII · Driver-only0B&A TRANSPORTATION LLC 28258615609STN/MN
Jun 29, 2026WYIII · Driver-only0B&A TRANSPORTATION LLC 28258615609STN/MN
Apr 29, 2026PAIII · Driver-only3KC HAULERS LLC 11659505609STN/MN
Mar 9, 2026WYIII · Driver-only0BILL FUNK TRUCKING INC 751195609STN/MN
Jan 21, 2026SDIII · Driver-only0BILL FUNK TRUCKING INC 751195609STN/MN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
B&A TRANSPORTATION LLC2825861Jun 29, 2026Jun 30, 20262MN
KC HAULERS LLC1165950Apr 29, 2026Apr 29, 20261MN
BILL FUNK TRUCKING INC75119Jan 21, 2026Mar 9, 20262MN
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.
5609STNMN2B&A TRANSPORTATION LLCJun 29, 2026Jun 30, 20262
5609STNMNKC HAULERS LLCApr 29, 2026Apr 29, 20261
5609STNMNBILL FUNK TRUCKING INCJan 21, 2026Mar 9, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026