Equipment unit · VIN-decoded · NHTSA vPIC

2014 Stoughton Trailers

1DW1A5327ES439830 · Trailer · TRAILER
Carriers run under2
23 mo
Inspections6
all-time
OOS inspections0
of 6
First seenApr 2, 2024
SC
Last seenMar 2, 2026
SC
Inspected under 2 different carriers in 23 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
1DW1A5327ES439830
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2014
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
1984 or 2014

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

North American serial sequence
439830

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 2, 2024 – Mar 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 2, 2026SCII · Walk-around2RSM EXPRESS LLC 3306991219C587/TX
Dec 16, 2025LAIII · Driver-only0ZEL TRANSPORTATION LLC 2957344219C587/TX
Apr 25, 2025GAIII · Driver-only0ZEL TRANSPORTATION LLC 2957344219C587/TX
Mar 31, 2025TXII · Walk-around1ZEL TRANSPORTATION LLC 2957344219C587/TX
Dec 5, 2024ARIII · Driver-only0ZEL TRANSPORTATION LLC 2957344219C587/TX
Apr 2, 2024SCIII · Driver-only1ZEL TRANSPORTATION LLC 2957344219C587/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RSM EXPRESS LLC3306991Mar 2, 2026Mar 2, 20261TX
ZEL TRANSPORTATION LLC2957344Apr 2, 2024Dec 16, 20255TX
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.
219C587TXRSM EXPRESS LLCMar 2, 2026Mar 2, 20261
219C587TXZEL TRANSPORTATION LLCApr 2, 2024Dec 16, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026