Equipment unit · VIN-decoded · NHTSA vPIC

3WKDD40X1DF843921

Not yet decoded
Carriers run under2
11 mo
Inspections2
all-time
OOS inspections2
of 2
First seenOct 7, 2024
US
Last seenSep 10, 2025
US
Inspected under 2 different carriers in 11 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
3WK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD40X

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
843921

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 · Oct 7, 2024 – Sep 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 10, 2025USI · Full8OOSOSCAR MONTEMAYOR FLORES 234224990AL9P/MX
Oct 7, 2024USII · Walk-around3OOSAPACHE TRUCKING INC 369934790AL9P/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OSCAR MONTEMAYOR FLORES2342249Sep 10, 2025Sep 10, 20251NL
APACHE TRUCKING INC3699347Oct 7, 2024Oct 7, 20241TX
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.
90AL9PMXOSCAR MONTEMAYOR FLORESSep 10, 2025Sep 10, 20251
90AL9PMXAPACHE TRUCKING INCOct 7, 2024Oct 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC