Equipment unit · VIN-decoded · NHTSA vPIC

2014 Stoughton Trailers

1DW1A5320ES477402 · Trailer · TRAILER
Carriers run under1
16 mo
Inspections4
all-time
OOS inspections2
of 4
First seenApr 15, 2024
AZ
Last seenAug 24, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1DW1A5320ES477402
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2014
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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1984 or 2014

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

North American serial sequence
477402

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
2014

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 15, 2024 – Aug 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 24, 2025TXII · Walk-around0SHENG UNITED LLC 4042729210C881/TX
Feb 26, 2025AZIII · Driver-only3SHENG UNITED LLC 4042729210C881/TX
Nov 20, 2024CAI · Full3OOSSHENG UNITED LLC 4042729210C881/TX
Apr 15, 2024AZII · Walk-around4OOSSHENG UNITED LLC 4042729210C881/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SHENG UNITED LLC4042729Apr 15, 2024Aug 24, 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.
210C881TXSHENG UNITED LLCApr 15, 2024Aug 24, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026