Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A5327PBB11975

Not yet decoded
Carriers run under2
18 mo
Inspections2
all-time
OOS inspections0
of 2
First seenDec 17, 2024
NM
Last seenJun 1, 2026
NM
Inspected under 2 different carriers in 18 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1993 or 2023

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

North American serial sequence
B11975

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 · Dec 17, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026NMII · Walk-around11387431 ONTARIO INC 1582731W7504W/ON
Dec 17, 2024NMIII · Driver-only0SUN TRANSPORTATION SYSTEMS USA LLC 3347542W7504W/ON
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
1387431 ONTARIO INC1582731Jun 1, 2026Jun 1, 20261ON
SUN TRANSPORTATION SYSTEMS USA LLC3347542Dec 17, 2024Dec 17, 20241OH
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.
W7504WON1387431 ONTARIO INCJun 1, 2026Jun 1, 20261
W7504WONSUN TRANSPORTATION SYSTEMS USA LLCDec 17, 2024Dec 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC