Equipment unit · VIN-decoded · NHTSA vPIC

2001 Isuzu NPR/NPR-HD

4KLB4B1R51J803730 · Truck · INCOMPLETE VEHICLE
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections3
of 5
First seenSep 20, 2023
CA
Last seenJul 19, 2025
CA
Inspected under 2 different carriers in 22 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
4KLB4B1R51J803730
Make
Isuzu
Model
NPR/NPR-HD
Model year
2001
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Decoded at
Jul 4, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 20, 2023 – Jul 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 19, 2025CAII · Walk-around1—JANNET MARTINEZ VARGAS 41614226Y74390/CA
Sep 10, 2024CAI · Full2OOSJANNET MARTINEZ VARGAS 41614226Y74390/CA
Mar 19, 2024CAIII · Driver-only0—JANNET MARTINEZ VARGAS 41614226Y74390/CA
Oct 30, 2023CAI · Full5OOSELOY MARTINEZ 27094406Y74390/CA
Sep 20, 2023CAI · Full4OOSELOY MARTINEZ 27094406Y74390/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JANNET MARTINEZ VARGAS4161422Mar 19, 2024Jul 19, 20253CA
ELOY MARTINEZ2709440Sep 20, 2023Oct 30, 20232CA
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.
6Y74390CA—JANNET MARTINEZ VARGASMar 19, 2024 → Jul 19, 20253
6Y74390CA—ELOY MARTINEZSep 20, 2023 → Oct 30, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026