Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A5329LEA30890 · Trailer · TRAILER
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections1
of 4
First seenOct 12, 2023
TX
Last seenMay 9, 2026
TX
Inspected under 2 different carriers in 31 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
1DW1A5329LEA30890
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1990 or 2020

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

North American serial sequence
A30890

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
2020

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 · Oct 12, 2023 – May 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 9, 2026TXII · Walk-around1EXPRESS TRES FRONTERAS SA DE CV 55787094UF7L/MX
Sep 23, 2025TXI · Full7OOSEXPRESS TRES FRONTERAS SA DE CV 55787094UF7L/DF
Apr 28, 2025TXI · Full7EXPRESS TRES FRONTERAS SA DE CV 55787094UF7L/MX
Oct 12, 2023TXI · Full8MANUEL ANDAZOLA OLIVAS 164164094UF7L/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EXPRESS TRES FRONTERAS SA DE CV557870Apr 28, 2025May 9, 20263CI
MANUEL ANDAZOLA OLIVAS1641640Oct 12, 2023Oct 12, 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.
94UF7LMXEXPRESS TRES FRONTERAS SA DE CVApr 28, 2025May 9, 20262
94UF7LDFEXPRESS TRES FRONTERAS SA DE CVSep 23, 2025Sep 23, 20251
94UF7LMXMANUEL ANDAZOLA OLIVASOct 12, 2023Oct 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026