Equipment unit · Public inspection records

1UNST4222RL194093

Not yet decoded
Carriers run under2
33 mo
Inspections2
all-time
OOS inspections0
of 2
First seenFeb 22, 2024
TX
Last seenNov 2, 2026
GA
Inspected under 2 different carriers in 33 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
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
1994 or 2024

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

North American serial sequence
194093

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 · Feb 22, 2024 – Nov 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 2, 2026GAII · Walk-around8—ACTION ENVIRONMENTAL LLC 1028827201B762/TX
Feb 22, 2024TXII · Walk-around0—ADVANCED CHEMICAL TRANSPORT LLC 1607894201B762/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ACTION ENVIRONMENTAL LLC1028827Nov 2, 2026Nov 2, 20261AL
ADVANCED CHEMICAL TRANSPORT LLC1607894Feb 22, 2024Feb 22, 20241CA
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.
201B762TX2ACTION ENVIRONMENTAL LLCNov 2, 2026 → Nov 2, 20261
201B762TX2ADVANCED CHEMICAL TRANSPORT LLCFeb 22, 2024 → Feb 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC