Equipment unit · VIN-decoded · NHTSA vPIC

4V4NC9TH7NN283501

Not yet decoded
Carriers run under2
14 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMar 13, 2024
VA
Last seenMay 23, 2025
SD
Inspected under 2 different carriers in 14 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
NC9TH

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1992 or 2022

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

North American serial sequence
283501

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 · 1,914 decoded VINs at 100.0% prefix purity.

Model
VNL

Prefix basis · 1,914 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 · Mar 13, 2024 – May 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 23, 2025SDIII · Driver-only0WINTRUCK INC 3061057P1281688/IL
Apr 3, 2024NEIII · Driver-only0ROKSA EXPRESS INC 2862737AH35514/PA
Mar 13, 2024VAII · Walk-around5ROKSA EXPRESS INC 2862737AH35514/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WINTRUCK INC3061057May 23, 2025May 23, 20251IL
ROKSA EXPRESS INC2862737Mar 13, 2024Apr 3, 20242PA
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.
P1281688ILWINTRUCK INCMay 23, 2025May 23, 20251
AH35514PAROKSA EXPRESS INCMar 13, 2024Apr 3, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC