Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X1MJ457243 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections6
all-time
OOS inspections2
of 6
First seenAug 22, 2023
CA
Last seenDec 31, 2025
CA
Inspected under 2 different carriers in 28 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
1XKYDP9X1MJ457243
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 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 · Aug 22, 2023 – Dec 31, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2025CAI · Full5OOSWILLIAMS DIVERSIFIED MATERIALS INC 2836467XP94368/CA
Aug 3, 2025CAII · Walk-around1—FRONTIER CARGO SERVICES INC 2636467XP94368/CA
Mar 14, 2025CAII · Walk-around0—FRONTIER CARGO SERVICES INC 2636467XP94368/CA
Mar 12, 2025IDI · Full6OOSFRONTIER CARGO SERVICES INC 2636467XP94368/CA
Mar 4, 2025UTIII · Driver-only0—FRONTIER CARGO SERVICES INC 2636467XP94368/CA
Aug 22, 2023CAI · Full0—FRONTIER CARGO SERVICES INC 2636467XP94368/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WILLIAMS DIVERSIFIED MATERIALS INC2836467Dec 31, 2025Dec 31, 20251KS
FRONTIER CARGO SERVICES INC2636467Aug 22, 2023Aug 3, 20255CA
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.
XP94368CA—WILLIAMS DIVERSIFIED MATERIALS INCDec 31, 2025 → Dec 31, 20251
XP94368CA—FRONTIER CARGO SERVICES INCAug 22, 2023 → Aug 3, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026