Equipment unit · VIN-decoded · NHTSA vPIC

2023 Volvo Truck VNL

4V4NC9EH8PN317350 · Truck-Tractor · TRUCK
Carriers run under1
24 mo
Inspections7
all-time
OOS inspections1
of 7
First seenMar 26, 2024
MI
Last seenMar 1, 2026
MT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4V4NC9EH8PN317350
Make
Volvo Truck
Model
VNL
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
317350

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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
VOLVO TRUCK

Observed directly for this VIN via NHTSA vPIC.

Observed model
VNL

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

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 26, 2024 – Mar 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 1, 2026MTII · Walk-around0ROCKPORT CARRIER CO INC 729617963MPQ/SK
Dec 11, 2025MNIII · Driver-only1ROCKPORT CARRIER CO INC 729617963MPQ/SK
Nov 27, 2025SDII · Walk-around0ROCKPORT CARRIER CO INC 729617963MPQ/SK
Apr 23, 2025PAIII · Driver-only3ROCKPORT CARRIER CO INC 729617963MPQ/SK
Jan 14, 2025WAII · Walk-around4OOSROCKPORT CARRIER CO INC 729617963MPQ/SK
Jan 2, 2025KYII · Walk-around0ROCKPORT CARRIER CO INC 729617963MPQ/SK
Mar 26, 2024MIII · Walk-around0ROCKPORT CARRIER CO INC 729617963MPQ/SK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKPORT CARRIER CO INC729617Mar 26, 2024Mar 1, 20267SK
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.
963MPQSKROCKPORT CARRIER CO INCMar 26, 2024Mar 1, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026