Equipment unit · VIN-decoded · NHTSA vPIC

2015 Kenworth T4 Series

1NKBLJ0X7FJ431603 · Truck · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections8
all-time
OOS inspections3
of 8
First seenDec 11, 2023
TX
Last seenJan 29, 2026
TX
Inspected under 2 different carriers in 25 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
1NKBLJ0X7FJ431603
Make
Kenworth
Model
T4 Series
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 11, 2023 – Jan 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 29, 2026TXII · Walk-around3—VMK CONCRETE LLC 3998044DGJ2937/TX
Dec 23, 2025TXII · Walk-around3OOSVMK CONCRETE LLC 3998044DGJ2937/TX
Nov 26, 2024TXIII · Driver-only1—CEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
Nov 12, 2024TXIII · Driver-only1OOSCEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
Aug 6, 2024TXIII · Driver-only0—CEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
Jun 1, 2024TXIII · Driver-only2OOSCEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
Apr 8, 2024TXIII · Driver-only1—CEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
Dec 11, 2023TXI · Full2—CEMEX CONSTRUCTION MATERIALS SOUTH LLC 942243DGJ2937/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VMK CONCRETE LLC3998044Dec 23, 2025Jan 29, 20262TX
CEMEX CONSTRUCTION MATERIALS SOUTH LLC942243Dec 11, 2023Nov 26, 20246AZ
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.
DGJ2937TX—VMK CONCRETE LLCDec 23, 2025 → Jan 29, 20262
DGJ2937TX—CEMEX CONSTRUCTION MATERIALS SOUTH LLCDec 11, 2023 → Nov 26, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026
2015 Kenworth T4 Series — VIN 1NKBLJ0X7FJ431603