Equipment unit · VIN-decoded · NHTSA vPIC

1999 Stoughton Trailers

1DW1A5323XS300412 · Trailer · TRAILER
Carriers run under4
33 mo
Inspections7
all-time
OOS inspections0
of 7
First seenSep 14, 2023
TX
Last seenJun 30, 2026
TX
Inspected under 4 different carriers in 33 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
1DW1A5323XS300412
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
1999
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
3 · valid

Deterministic · position 9; calculated value 3.

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
300412

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.

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 · Sep 14, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026TXI · Full2—TRANSPORTES DOOS SA DE CV 33215156101JR/OK
Mar 5, 2026USI · Full4—THO LOGISTIC 41139486101JR/OK
Nov 7, 2025TXI · Full0—THO LOGISTIC 41139486101JR/OK
Oct 27, 2025TXI · Full1—TRANSPORTES CRUZADOS SA DE CV 16946116101JR/OK
Aug 25, 2025TXI · Full3—THO LOGISTIC 41139486101JR/OK
May 9, 2025TXI · Full1—TRANSPORTES CRUZADOS SA DE CV 16946116101JR/OK
Sep 14, 2023TXI · Full6—SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV 8181756101JR/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES DOOS SA DE CV3321515Jun 30, 2026Jun 30, 20261CI
THO LOGISTIC4113948Aug 25, 2025Mar 5, 20263CI
TRANSPORTES CRUZADOS SA DE CV1694611May 9, 2025Oct 27, 20252CI
SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CV818175Sep 14, 2023Sep 14, 20231MX
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.
6101JROK2TRANSPORTES DOOS SA DE CVJun 30, 2026 → Jun 30, 20261
6101JROK—THO LOGISTICAug 25, 2025 → Mar 5, 20263
6101JROK—TRANSPORTES CRUZADOS SA DE CVMay 9, 2025 → Oct 27, 20252
6101JROK—SERVICIO INTERNACIONAL DE ENLACE TERRESTRE SA DE CVSep 14, 2023 → Sep 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026