Equipment unit · VIN-decoded · NHTSA vPIC

1992 Kenworth T600

1XKADB9X1NJ577694 · Truck-Tractor · TRUCK
Carriers run under3
16 mo
Inspections6
all-time
OOS inspections4
of 6
First seenSep 19, 2023
TX
Last seenJan 15, 2025
TX
Inspected under 3 different carriers in 16 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
1XKADB9X1NJ577694
Make
Kenworth
Model
T600
Model year
1992
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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 19, 2023 – Jan 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 15, 2025TXII · Walk-around20OOSJC SUPPLY LLC 306788941R675M/TX
Aug 26, 2024TXII · Walk-around2—A TRANSPORTATION LLC 420373841R675M/TX
Aug 16, 2024TXII · Walk-around9OOSA TRANSPORTATION LLC 42037381L89058/TX
Jul 5, 2024TXIII · Driver-only3OOSA TRANSPORTATION LLC 420373895W474V/TX
Feb 28, 2024TXIII · Driver-only3OOSISMAEL ALVARADO MONTALVO 343744586M460M/TX
Sep 19, 2023TXII · Walk-around10—ISMAEL ALVARADO MONTALVO 343744531S240M/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JC SUPPLY LLC3067889Jan 15, 2025Jan 15, 20251TX
A TRANSPORTATION LLC4203738Jul 5, 2024Aug 26, 20243TX
ISMAEL ALVARADO MONTALVO3437445Sep 19, 2023Feb 28, 20242TX
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.
41R675MTX—JC SUPPLY LLCJan 15, 2025 → Jan 15, 20251
41R675MTX—A TRANSPORTATION LLCAug 26, 2024 → Aug 26, 20241
1L89058TX—A TRANSPORTATION LLCAug 16, 2024 → Aug 16, 20241
95W474VTX—A TRANSPORTATION LLCJul 5, 2024 → Jul 5, 20241
86M460MTX—ISMAEL ALVARADO MONTALVOFeb 28, 2024 → Feb 28, 20241
31S240MTX—ISMAEL ALVARADO MONTALVOSep 19, 2023 → Sep 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026