Equipment unit · VIN-decoded · NHTSA vPIC

4V5RC9EH4JN903581

Not yet decoded
Carriers run under1
15 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 5, 2024
NC
Last seenOct 14, 2025
MI
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
4V5

Deterministic · VIN positions 1–3.

Vehicle descriptor section
RC9EH

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
903581

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
VOLVO TRUCK

Prefix basis · 162 decoded VINs at 100.0% prefix purity.

Model
VAH

Prefix basis · 162 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 · Jul 5, 2024 – Oct 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 14, 2025MIIII · Driver-only2OLKA INC 286156519361Z/WI
Sep 17, 2024SCIII · Driver-only1OLKA INC 286156519361Z/WI
Jul 5, 2024NCII · Walk-around1OOSOLKA INC 286156519361Z/WI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLKA INC2861565Jul 5, 2024Oct 14, 20253WI
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.
19361ZWIOLKA INCJul 5, 2024Oct 14, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC