Equipment unit · VIN-decoded · NHTSA vPIC

1DW1A532XPS801832

Not yet decoded
Carriers run under2
5 mo
Inspections2
all-time
OOS inspections2
of 2
First seenMar 19, 2024
OK
Last seenAug 8, 2024
TX
Inspected under 2 different carriers in 5 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
X · valid

Deterministic · position 9; calculated value X.

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
801832

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 · Mar 19, 2024 – Aug 8, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 8, 2024TXII · Walk-around2OOSDIAMOND MATTRESS CO INC 1703824215C218/TX
Mar 19, 2024OKIII · Driver-only2OOSROYAL SLEEP LLC 1571541215C218/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND MATTRESS CO INC1703824Aug 8, 2024Aug 8, 20241CA
ROYAL SLEEP LLC1571541Mar 19, 2024Mar 19, 20241TX
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.
215C218TXDIAMOND MATTRESS CO INCAug 8, 2024Aug 8, 20241
215C218TXROYAL SLEEP LLCMar 19, 2024Mar 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC