Equipment unit · VIN-decoded · NHTSA vPIC

4V4NC9EH9MN256117

Not yet decoded
Carriers run under2
14 mo
Inspections3
all-time
OOS inspections1
of 3
First seenDec 5, 2023
NE
Last seenFeb 3, 2025
MD
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
NC9EH

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
256117

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 · Dec 5, 2023 – Feb 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 3, 2025MDII · Walk-around1OOSTRUCK PROGRESS COMPANY 3284006P1257217/IL
Jan 31, 2024ILIII · Driver-only0DECKER TRUCK LINE INC 53824VF0587/IA
Dec 5, 2023NEIII · Driver-only0DECKER TRUCK LINE INC 53824VF0587/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRUCK PROGRESS COMPANY3284006Feb 3, 2025Feb 3, 20251IL
DECKER TRUCK LINE INC53824Dec 5, 2023Jan 31, 20242IA
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.
P1257217ILTRUCK PROGRESS COMPANYFeb 3, 2025Feb 3, 20251
VF0587IADECKER TRUCK LINE INCDec 5, 2023Jan 31, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC