Equipment unit · VIN-decoded · NHTSA vPIC

2007 Stoughton Trailers

1DW1A53277S991363 · Trailer · TRAILER
Carriers run under4
22 mo
Inspections5
all-time
OOS inspections2
of 5
First seenAug 7, 2024
TN
Last seenJun 12, 2026
PA
Inspected under 4 different carriers in 22 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
1DW1A53277S991363
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2007
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
2007 or 2037

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

North American serial sequence
991363

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 · Aug 7, 2024 – Jun 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2026PAII · Walk-around4OOSTRIPLE B TRANSPORTATION CORP 3855185PT133U9/PA
May 12, 2026PAIII · Driver-only1TRIPLE B TRANSCORP 4492028PT133U9/PA
Jul 8, 2025PAIII · Driver-only2J&S TRANSPORTATIONS CORPORATION 3479693PT133U9/PA
May 15, 2025PAIII · Driver-only1J&S TRANSPORTATIONS CORPORATION 3479693PT133U9/PA
Aug 7, 2024TNII · Walk-around2OOSHIGHWAY FREIGHT SYSTEMS INC 1444559PT852M7/PA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE B TRANSPORTATION CORP3855185Jun 12, 2026Jun 12, 20261PA
TRIPLE B TRANSCORP4492028May 12, 2026May 12, 20261PA
J&S TRANSPORTATIONS CORPORATION3479693May 15, 2025Jul 8, 20252PA
HIGHWAY FREIGHT SYSTEMS INC1444559Aug 7, 2024Aug 7, 20241PA
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.
PT133U9PATRIPLE B TRANSPORTATION CORPJun 12, 2026Jun 12, 20261
PT133U9PATRIPLE B TRANSCORPMay 12, 2026May 12, 20261
PT133U9PAJ&S TRANSPORTATIONS CORPORATIONMay 15, 2025Jul 8, 20252
PT852M7PAHIGHWAY FREIGHT SYSTEMS INCAug 7, 2024Aug 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026