Equipment unit · VIN-decoded · NHTSA vPIC

4C9FF5328JM226132

Not yet decoded
Carriers run under2
11 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 12, 2024
KS
Last seenSep 16, 2025
CA
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
4C9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FF532

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1988 or 2018

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

North American serial sequence
226132

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.

Make
CUSTOM MAX TRAILERS

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model
Custom Max Trailers

Prefix basis · 3 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 12, 2024 – Sep 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2025CAIII · Driver-only0R JOHNS SPECIALIZED TRANSPORT INC 2527906SP489LRY/IN
Oct 12, 2024KSII · Walk-around3J T HILL TRUCKING LLC 815065SP489LRY/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
R JOHNS SPECIALIZED TRANSPORT INC2527906Sep 16, 2025Sep 16, 20251IN
J T HILL TRUCKING LLC815065Oct 12, 2024Oct 12, 20241IN
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.
SP489LRYINR JOHNS SPECIALIZED TRANSPORT INCSep 16, 2025Sep 16, 20251
SP489LRYINJ T HILL TRUCKING LLCOct 12, 2024Oct 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC