Equipment unit · VIN-decoded · NHTSA vPIC

2018 Stoughton Trailers

1DW1A5321JS807140 · Trailer · TRAILER
Carriers run under4
25 mo
Inspections5
all-time
OOS inspections1
of 5
First seenApr 28, 2024
MO
Last seenMay 13, 2026
US
Inspected under 4 different carriers in 25 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
1DW1A5321JS807140
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 26, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1988 or 2018

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

North American serial sequence
807140

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
2018

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 28, 2024 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026USII · Walk-around2DX XPRESS INC 2128019P5791T/ON
Oct 9, 2025KYII · Walk-around0INSIGHT GLOBAL LOGISTICS LTD 3082114P5791T/ON
Jun 6, 2025TXI · Full8EXPRESS TRES FRONTERAS SA DE CV 557870P5791T/ON
Apr 21, 2025TXI · Full2OOSEXPRESS TRES FRONTERAS SA DE CV 557870P5791T/ON
Apr 28, 2024MOII · Walk-around0SHAN FREIGHTWAY INC 1658319P5791T/ON
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DX XPRESS INC2128019May 13, 2026May 13, 20261TX
INSIGHT GLOBAL LOGISTICS LTD3082114Oct 9, 2025Oct 9, 20251ON
EXPRESS TRES FRONTERAS SA DE CV557870Apr 21, 2025Jun 6, 20252CI
SHAN FREIGHTWAY INC1658319Apr 28, 2024Apr 28, 20241ON
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.
P5791TONDX XPRESS INCMay 13, 2026May 13, 20261
P5791TONINSIGHT GLOBAL LOGISTICS LTDOct 9, 2025Oct 9, 20251
P5791TONEXPRESS TRES FRONTERAS SA DE CVApr 21, 2025Jun 6, 20252
P5791TONSHAN FREIGHTWAY INCApr 28, 2024Apr 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 26, 2026