Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A5326MBA58973

Not yet decoded
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJan 5, 2026
CA
Last seenJul 9, 2026
AL
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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
A58973

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 · Jan 5, 2026 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026ALIII · Driver-only0FLAG TRANSPORTATION SERVICES INC 3079943PB53663/IN
Jan 5, 2026CAII · Walk-around2OOSVDK TRANSPORT GROUP LLC 4132013PB53663/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLAG TRANSPORTATION SERVICES INC3079943Jul 9, 2026Jul 9, 20261OH
VDK TRANSPORT GROUP LLC4132013Jan 5, 2026Jan 5, 20261WA
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.
PB53663IN2FLAG TRANSPORTATION SERVICES INCJul 9, 2026Jul 9, 20261
PB53663INVDK TRANSPORT GROUP LLCJan 5, 2026Jan 5, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC