Equipment unit · VIN-decoded · NHTSA vPIC

1T9SC4321DB656314

Not yet decoded
Carriers run under2
39 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 13, 2023
WI
Last seenSep 10, 2026
WI
Inspected under 2 different carriers in 39 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
1T9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SC432

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
656314

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 · Jun 13, 2023 – Sep 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 10, 2026WIII · Walk-around3—OLSON SPECIALIZED INC 734693828675/WI
Jun 13, 2023WIIII · Driver-only5—LJ OLSON INC 2833708828675/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLSON SPECIALIZED INC734693Sep 10, 2026Sep 10, 20261WI
LJ OLSON INC2833708Jun 13, 2023Jun 13, 20231WI
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.
828675WI2OLSON SPECIALIZED INCSep 10, 2026 → Sep 10, 20261
828675WI—LJ OLSON INCJun 13, 2023 → Jun 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC