Equipment unit · VIN-decoded · NHTSA vPIC

4V4NC9EH9RN631592

Not yet decoded
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 13, 2023
VA
Last seenApr 20, 2026
NC
Inspected under 2 different carriers in 30 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1994 or 2024

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

North American serial sequence
631592

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 · Oct 13, 2023 – Apr 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 20, 2026NCII · Walk-around0SUMMER CONVERTING LLC 45124223403805/IN
Oct 13, 2023VAI · Full0CARROLL TRUCKING INC 1783933403805/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUMMER CONVERTING LLC4512422Apr 20, 2026Apr 20, 20261NC
CARROLL TRUCKING INC178393Oct 13, 2023Oct 13, 20231VA
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.
3403805INSUMMER CONVERTING LLCApr 20, 2026Apr 20, 20261
3403805INCARROLL TRUCKING INCOct 13, 2023Oct 13, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC