Equipment unit · VIN-decoded · NHTSA vPIC

1DW4C5321PPB18804

Not yet decoded
Carriers run under2
8 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 21, 2025
MI
Last seenOct 27, 2025
IN
Inspected under 2 different carriers in 8 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
4C532

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
B18804

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 · 33 decoded VINs at 100.0% prefix purity.

Model
Stoughton Trailers

Prefix basis · 33 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 · Feb 21, 2025 – Oct 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 27, 2025INI · Full0SUPERIOR HAULING & FAST TRANSIT INC 251582246592T/TN
Feb 21, 2025MIII · Walk-around0DASSLER DOMESTIC LOGISTICS INC 2398251246592T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPERIOR HAULING & FAST TRANSIT INC251582Oct 27, 2025Oct 27, 20251MO
DASSLER DOMESTIC LOGISTICS INC2398251Feb 21, 2025Feb 21, 20251KY
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.
246592TTNSUPERIOR HAULING & FAST TRANSIT INCOct 27, 2025Oct 27, 20251
246592TTNDASSLER DOMESTIC LOGISTICS INCFeb 21, 2025Feb 21, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC