Equipment unit · VIN-decoded · NHTSA vPIC

1W1UCS1B5XD521583

Not yet decoded
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections1
of 2
First seenMar 5, 2024
AZ
Last seenMay 26, 2026
CA
Inspected under 2 different carriers in 26 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
UCS1B

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1999 or 2029

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

North American serial sequence
521583

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 5, 2024 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026CAII · Walk-around11OOSWINGFIELD LIVESTOCK TRANSPORTATION INC 13103114A53W/AZ
Mar 5, 2024AZIII · Driver-only0COW PALACE EXPRESS INC 1808574Y67245/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WINGFIELD LIVESTOCK TRANSPORTATION INC131031May 26, 2026May 26, 20261AZ
COW PALACE EXPRESS INC1808574Mar 5, 2024Mar 5, 20241AZ
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.
14A53WAZWINGFIELD LIVESTOCK TRANSPORTATION INCMay 26, 2026May 26, 20261
Y67245AZCOW PALACE EXPRESS INCMar 5, 2024Mar 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC