Equipment unit · VIN-decoded · NHTSA vPIC

2020 Stoughton Trailers

1DW1A532XLBA33525 · Trailer · TRAILER
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenApr 22, 2026
CA
Last seenOct 6, 2026
KS
Inspected under 2 different carriers in 6 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
1DW1A532XLBA33525
Make
Stoughton Trailers
Model
Stoughton Trailers
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Oct 1, 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
X · valid

Deterministic · position 9; calculated value X.

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
A33525

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 · Apr 22, 2026 – Oct 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 6, 2026KSII · Walk-around1—DIAMOND FREIGHT INTERSTATE LLC 3770343TM5147/ID
Apr 22, 2026CAI · Full0—SPEEDY CARGO LLC 3344960TM5147/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND FREIGHT INTERSTATE LLC3770343Oct 6, 2026Oct 6, 20261PA
SPEEDY CARGO LLC3344960Apr 22, 2026Apr 22, 20261CA
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.
TM5147ID2DIAMOND FREIGHT INTERSTATE LLCOct 6, 2026 → Oct 6, 20261
TM5147ID—SPEEDY CARGO LLCApr 22, 2026 → Apr 22, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Oct 1, 2026