Equipment unit · VIN-decoded · NHTSA vPIC

1UNST4222LS174326

Not yet decoded
Carriers run under2
13 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 8, 2025
TX
Last seenFeb 27, 2026
OK
Inspected under 2 different carriers in 13 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
1UN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ST422

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1990 or 2020

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

North American serial sequence
174326

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 · Jan 8, 2025 – Feb 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 27, 2026OKIII · Driver-only0DAY COUNTY SERVICES INC 2137435DX8373/OK
Jan 8, 2025TXII · Walk-around0EQUIPMENT TRANSPORT LLC 1758904025F703/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAY COUNTY SERVICES INC2137435Feb 27, 2026Feb 27, 20261OK
EQUIPMENT TRANSPORT LLC1758904Jan 8, 2025Jan 8, 20251TX
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.
DX8373OKDAY COUNTY SERVICES INCFeb 27, 2026Feb 27, 20261
025F703TX2EQUIPMENT TRANSPORT LLCJan 8, 2025Jan 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC