Equipment unit · VIN-decoded · NHTSA vPIC

2023 Volvo Truck VNR

4V4WB9DHXPN310702 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections12
all-time
OOS inspections1
of 12
First seenDec 5, 2023
CA
Last seenJun 18, 2026
CA
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

VIN
4V4WB9DHXPN310702
Make
Volvo Truck
Model
VNR
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 17, 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
WB9DH

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
310702

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 · 261 decoded VINs at 100.0% prefix purity.

Model
VNR

Prefix basis · 261 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
VNR

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 · Dec 5, 2023 – Jun 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 18, 2026CAI · Full1OOSWFI TRANSPORTATION INC 34765819G66941/CA
Mar 11, 2026CAII · Walk-around0WFI TRANSPORTATION INC 34765819G66941/CA
Jun 26, 2025CAII · Walk-around0WFI TRANSPORTATION INC 34765819G66941/CA
Jun 7, 2025CAII · Walk-around0WFI TRANSPORTATION INC 34765819G66941/CA
Apr 16, 2025CAI · Full0MILLER TRUCKING CORPORATION 4517019G66991/CA
Dec 1, 2024CAII · Walk-around0WFI TRANSPORTATION INC 34765819G66941/CA
Oct 22, 2024CAI · Full2WFI TRANSPORTATION INC 34765819G66941/CA
Sep 14, 2024CAII · Walk-around0WFI TRANSPORTATION INC 34765819G66991/CA
Aug 21, 2024CAI · Full0WFI TRANSPORTATION INC 34765819G66941/CA
Aug 9, 2024CAII · Walk-around1WFI TRANSPORTATION INC 34765819G66941/CA
Jun 23, 2024CAI · Full2WFI TRANSPORTATION INC 34765819G66941/CA
Dec 5, 2023CAI · Full0WFI TRANSPORTATION INC 34765819G66941/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WFI TRANSPORTATION INC3476581Dec 5, 2023Jun 18, 202611CA
MILLER TRUCKING CORPORATION451701Apr 16, 2025Apr 16, 20251CA
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.
9G66941CA1WFI TRANSPORTATION INCDec 5, 2023Jun 18, 202610
9G66991CAMILLER TRUCKING CORPORATIONApr 16, 2025Apr 16, 20251
9G66991CAWFI TRANSPORTATION INCSep 14, 2024Sep 14, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026