Equipment unit · VIN-decoded · NHTSA vPIC

4V4NC9EH3FN185306

Not yet decoded
Carriers run under2
10 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMay 7, 2025
WI
Last seenMar 26, 2026
WI
Inspected under 2 different carriers in 10 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
4V4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
NC9EH

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
185306

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 · 51,900 decoded VINs at 100.0% prefix purity.

Model
VNL

Prefix basis · 51,900 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 · May 7, 2025 – Mar 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 26, 2026WIII · Walk-around4SOLID ROCK TRANSPORTATION INC 143915891039Z/WI
Aug 25, 2025ILIII · Driver-only0STAR TRUCKING LLC 248922191039Z/WI
May 7, 2025WIIII · Driver-only4STAR TRUCKING LLC 248922191039Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOLID ROCK TRANSPORTATION INC1439158Mar 26, 2026Mar 26, 20261MN
STAR TRUCKING LLC2489221May 7, 2025Aug 25, 20252WI
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.
91039ZWISOLID ROCK TRANSPORTATION INCMar 26, 2026Mar 26, 20261
91039ZWISTAR TRUCKING LLCMay 7, 2025Aug 25, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC