Equipment unit · VIN-decoded · NHTSA vPIC

3R921J1A63Z004265

Not yet decoded
Carriers run under1
34 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 4, 2023
TX
Last seenJul 15, 2026
TX
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
3R9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
21J1A

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2003 or 2033

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

North American serial sequence
004265

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 · Sep 4, 2023 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026TXII · Walk-around6RAMIRO CHAVEZ MARTINEZ 3524902847DG9/CL
Sep 4, 2023TXII · Walk-around20OOSRAMIRO CHAVEZ MARTINEZ 3524902847DG9/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RAMIRO CHAVEZ MARTINEZ3524902Sep 4, 2023Jul 15, 20262JA
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.
847DG9CL1RAMIRO CHAVEZ MARTINEZJul 15, 2026Jul 15, 20261
847DG9MXRAMIRO CHAVEZ MARTINEZSep 4, 2023Sep 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC