Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X7MJ461523 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections7
all-time
OOS inspections2
of 7
First seenNov 20, 2023
CA
Last seenSep 26, 2025
KS
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
1XKYD49X7MJ461523
Make
Kenworth
Model
T680
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
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 · Nov 20, 2023 – Sep 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 26, 2025KSII · Walk-around0SKYLINE TRANSPORT LLC 3086425AM55502/AZ
Aug 15, 2025AZII · Walk-around2OOSSKYLINE TRANSPORT LLC 3086425AM55502/AZ
Jan 24, 2025AZIII · Driver-only1SKYLINE TRANSPORT LLC 3086425AM55502/AZ
Nov 25, 2024NMII · Walk-around0SKYLINE TRANSPORT LLC 3086425AM55502/AZ
Sep 4, 2024NMI · Full2OOSSKYLINE TRANSPORT LLC 3086425AM55502/AZ
Jul 16, 2024NMII · Walk-around2SKYLINE TRANSPORT LLC 3086425AM55502/AZ
Nov 20, 2023CAII · Walk-around0DUNCAN & SON LINES INC 44035AL13058/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SKYLINE TRANSPORT LLC3086425Jul 16, 2024Sep 26, 20256AZ
DUNCAN & SON LINES INC44035Nov 20, 2023Nov 20, 20231AZ
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.
AM55502AZSKYLINE TRANSPORT LLCJul 16, 2024Sep 26, 20256
AL13058AZDUNCAN & SON LINES INCNov 20, 2023Nov 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026