Equipment unit · VIN-decoded · NHTSA vPIC

2017 Volvo Truck VNL

4V4NC9TH1HN979288 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections8
all-time
OOS inspections0
of 8
First seenAug 10, 2023
TX
Last seenJul 18, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4V4NC9TH1HN979288
Make
Volvo Truck
Model
VNL
Model year
2017
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
NC9TH

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
979288

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.

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
2017

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 · Aug 10, 2023 – Jul 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 18, 2026TXII · Walk-around0DIAZ TRANSPORTATION LLC 28789261M98799/TX
Nov 12, 2025TXII · Walk-around0DIAZ TRANSPORTATION LLC 28789261M98799/TX
Feb 28, 2025TXII · Walk-around2DIAZ TRANSPORTATION LLC 28789261M98799/TX
Apr 26, 2024TXII · Walk-around2DIAZ TRANSPORTATION LLC 28789261M98799/TX
Apr 17, 2024TXII · Walk-around0DIAZ TRANSPORTATION LLC 28789261M98799/TX
Sep 6, 2023TXII · Walk-around3DIAZ TRANSPORTATION LLC 28789261M98799/TX
Aug 22, 2023TXII · Walk-around1DIAZ TRANSPORTATION LLC 28789261M98799/TX
Aug 10, 2023TXII · Walk-around0DIAZ TRANSPORTATION LLC 28789261M98799/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAZ TRANSPORTATION LLC2878926Aug 10, 2023Jul 18, 20268TX
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.
1M98799TX1DIAZ TRANSPORTATION LLCAug 10, 2023Jul 18, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026