Equipment unit · VIN-decoded · NHTSA vPIC

4V4NB9EH3HN990602

Not yet decoded
Carriers run under2
14 mo
Inspections3
all-time
OOS inspections1
of 3
First seenNov 17, 2023
TX
Last seenJan 12, 2025
AL
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
NB9EH

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
990602

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 · 391 decoded VINs at 100.0% prefix purity.

Model
VNL

Prefix basis · 391 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 · Nov 17, 2023 – Jan 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2025ALIII · Driver-only0WESTERN DAIRY TRANSPORT LLC 1490474NONE/NM
Jan 25, 2024NMII · Walk-around1OOSDIEGOS TRUCKING LLC 1140161TEMP/NM
Nov 17, 2023TXII · Walk-around0DIEGOS TRUCKING LLC 1140161NONE/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTERN DAIRY TRANSPORT LLC1490474Jan 12, 2025Jan 12, 20251MO
DIEGOS TRUCKING LLC1140161Nov 17, 2023Jan 25, 20242NM
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.
NONENMWESTERN DAIRY TRANSPORT LLCJan 12, 2025Jan 12, 20251
TEMPNMDIEGOS TRUCKING LLCJan 25, 2024Jan 25, 20241
NONENMDIEGOS TRUCKING LLCNov 17, 2023Nov 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC