Equipment unit · VIN-decoded · NHTSA vPIC

4S9S1A431M1534095

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 14, 2025
ME
Last seenApr 14, 2026
ME
Inspected under 2 different carriers in 12 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
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S1A43

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1991 or 2021

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

North American serial sequence
534095

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 · Apr 14, 2025 – Apr 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 14, 2026MEIII · Driver-only1J D R TRANSPORT LLC 2399884C247852/ME
Apr 14, 2025MEI · Full9OOSCOUNTY FARMS LLC 2377801C247852/ME
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J D R TRANSPORT LLC2399884Apr 14, 2026Apr 14, 20261ME
COUNTY FARMS LLC2377801Apr 14, 2025Apr 14, 20251ME
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.
C247852MEJ D R TRANSPORT LLCApr 14, 2026Apr 14, 20261
C247852MECOUNTY FARMS LLCApr 14, 2025Apr 14, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC