Equipment unit · VIN-decoded · NHTSA vPIC

1999 Stoughton Trailers

1DW1A5327XS307184 · Trailer · TRAILER
Carriers run under1
15 mo
Inspections4
all-time
OOS inspections1
of 4
First seenApr 11, 2024
NM
Last seenJul 7, 2025
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1DW1A5327XS307184
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
1999
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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1999 or 2029

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

North American serial sequence
307184

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
1999

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 11, 2024 – Jul 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2025NMII · Walk-around1HDR LOGISTICS LLC 309588294U915M/TX
Jun 7, 2025CAII · Walk-around4OOSHDR LOGISTICS LLC 3095882A93313A/TX
Jan 22, 2025NMIII · Driver-only0HDR LOGISTICS LLC 309588288P34M/TX
Apr 11, 2024NMIII · Driver-only2HDR LOGISTICS LLC 3095882A47928A/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HDR LOGISTICS LLC3095882Apr 11, 2024Jul 7, 20254TX
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.
94U915MTXHDR LOGISTICS LLCJul 7, 2025Jul 7, 20251
A93313ATXHDR LOGISTICS LLCJun 7, 2025Jun 7, 20251
88P34MTXHDR LOGISTICS LLCJan 22, 2025Jan 22, 20251
A47928ATXHDR LOGISTICS LLCApr 11, 2024Apr 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026