Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X6MJ459599 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections11
all-time
OOS inspections2
of 11
First seen12/10/2024
WA
Last seen03/01/2026
WA
Inspected under 2 different carriers in 15 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
1XKYDP9X6MJ459599
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
06/19/2026
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 · 12/10/2024 – 03/01/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
03/01/2026WAII · Walk-around0SKYFREE INC 3783546P1178575/IL
02/25/2026INIII · Driver-only1SKYFREE INC 3783546P1178575/IL
02/17/2026UTIII · Driver-only0SKYFREE INC 3783546P1178575/IL
02/10/2026CAII · Walk-around0SKYFREE INC 3783546P1178575/IL
02/04/2026WYIII · Driver-only0SKYFREE INC 3783546P1178575/IL
12/17/2025ORIII · Driver-only2OOSSKYFREE INC 3783546P1178575/IL
12/17/2025ORIII · Driver-only2OOSSKYFREE INC 3783546P1178575/IL
09/03/2025SDI · Full6SKYFREE INC 3783546P1178575/IL
06/04/2025MTIII · Driver-only0SKYFREE INC 3783546P1178575/IL
03/01/2025INIII · Driver-only1SKYFREE INC 3783546P1178575/IL
12/10/2024WAIII · Driver-only2ZEN MARK LOGISTICS LLC 4106674P1178575/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SKYFREE INC378354603/01/202503/01/202610IL
ZEN MARK LOGISTICS LLC410667412/10/202412/10/20241OH
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.
P1178575IL1SKYFREE INC03/01/202503/01/202610
P1178575ILZEN MARK LOGISTICS LLC12/10/202412/10/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/19/2026