Equipment unit · VIN-decoded · NHTSA vPIC

2004 Kenworth T600

1XKADU9X04J057240 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections5
all-time
OOS inspections5
of 5
First seenSep 13, 2024
TX
Last seenMar 25, 2026
TX
Inspected under 3 different carriers in 18 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
1XKADU9X04J057240
Make
Kenworth
Model
T600
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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 13, 2024 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026TXI · Full13OOSMERCADO TRUCKING & SERVICES LLC 44728551N51055/TX
Aug 18, 2025TXI · Full11OOSL & J TRANSPORT LLC 43016891N51055/TX
May 16, 2025TXII · Walk-around10OOSL & J TRANSPORT LLC 43016891N51055/TX
Apr 4, 2025TXIII · Driver-only1OOSL & J TRANSPORT LLC 43016891N51055/TX
Sep 13, 2024TXII · Walk-around7OOSLUIS FELIPE ALFONSO 38673841N51055/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MERCADO TRUCKING & SERVICES LLC4472855Mar 25, 2026Mar 25, 20261TX
L & J TRANSPORT LLC4301689Apr 4, 2025Aug 18, 20253TX
LUIS FELIPE ALFONSO3867384Sep 13, 2024Sep 13, 20241TX
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.
1N51055TXMERCADO TRUCKING & SERVICES LLCMar 25, 2026Mar 25, 20261
1N51055TXL & J TRANSPORT LLCApr 4, 2025Aug 18, 20253
1N51055TXLUIS FELIPE ALFONSOSep 13, 2024Sep 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026