Equipment unit · VIN-decoded · NHTSA vPIC

2007 Stoughton Trailers

1DW1A53247B990915 · Trailer · TRAILER
Carriers run under3
13 mo
Inspections4
all-time
OOS inspections3
of 4
First seenApr 6, 2025
NV
Last seenMay 11, 2026
CA
Inspected under 3 different carriers in 13 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
1DW1A53247B990915
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2007
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
2007 or 2037

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

North American serial sequence
990915

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
2007

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 · Apr 6, 2025 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026CAII · Walk-around2OOSUSA JST LLC 44929354WR5413/CA
Apr 28, 2026CAIII · Driver-only0USA JST LLC 44929354WR5413/CA
Sep 19, 2025AZII · Walk-around6OOSJRT EXPRESS LLC 44039884WR5413/CA
Apr 6, 2025NVII · Walk-around3OOSUS CARGO DRAG INC 43400504WR5413/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
USA JST LLC4492935Apr 28, 2026May 11, 20262WA
JRT EXPRESS LLC4403988Sep 19, 2025Sep 19, 20251CA
US CARGO DRAG INC4340050Apr 6, 2025Apr 6, 20251CA
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.
4WR5413CAUSA JST LLCApr 28, 2026May 11, 20262
4WR5413CAJRT EXPRESS LLCSep 19, 2025Sep 19, 20251
4WR5413CAUS CARGO DRAG INCApr 6, 2025Apr 6, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026