Equipment unit · VIN-decoded · NHTSA vPIC

2017 Stoughton Trailers

1DW1A5320HB706570 · Trailer · TRAILER
Carriers run under3
27 mo
Inspections4
all-time
OOS inspections0
of 4
First seenMay 1, 2024
WV
Last seenAug 28, 2026
TX
Inspected under 3 different carriers in 27 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
1DW1A5320HB706570
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 12, 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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1987 or 2017

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

North American serial sequence
706570

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.

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 · May 1, 2024 – Aug 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2026TXII · Walk-around0—ONLINE TRANSPORT INC 848251P286441/IN
Aug 28, 2026TXII · Walk-around0—ONLINE TRANSPORT INC 848251P286441/IN
Oct 27, 2025NJIII · Driver-only0—WS THOMAS TRANSFER LLC 2093310P286441/IN
May 1, 2024WVIII · Driver-only1—FRONTIER TRANSPORT CORPORATION 2099205P286441/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ONLINE TRANSPORT INC848251Aug 28, 2026Aug 28, 20262IN
WS THOMAS TRANSFER LLC2093310Oct 27, 2025Oct 27, 20251IN
FRONTIER TRANSPORT CORPORATION2099205May 1, 2024May 1, 20241IN
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.
P286441IN2ONLINE TRANSPORT INCAug 28, 2026 → Aug 28, 20262
P286441IN—WS THOMAS TRANSFER LLCOct 27, 2025 → Oct 27, 20251
P286441IN—FRONTIER TRANSPORT CORPORATIONMay 1, 2024 → May 1, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 12, 2026