Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X7MJ443721 · Truck-Tractor · TRUCK
Carriers run under2
19 mo
Inspections6
all-time
OOS inspections1
of 6
First seenDec 11, 2024
UT
Last seenJul 7, 2026
CA
Inspected under 2 different carriers in 19 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
1XKYDP9X7MJ443721
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 30, 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 · Dec 11, 2024 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026CAII · Walk-around2OOSHARDROCK LOGISTICS INC 3897995ZP82090/CA
Jun 25, 2026CAII · Walk-around2HARDROCK LOGISTICS INC 3897995ZP82090/CA
Jun 3, 2026CAI · Full0HARDROCK LOGISTICS INC 3897995ZP82090/CA
May 20, 2026CAIII · Driver-only2HARDROCK LOGISTICS INC 3897995ZP82090/CA
Feb 28, 2026COIII · Driver-only2HARDROCK LOGISTICS INC 3897995ZP82090/CA
Dec 11, 2024UTIII · Driver-only1SIGMA ASSOCIATES LLC 4225877RP18845/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HARDROCK LOGISTICS INC3897995Feb 28, 2026Jul 7, 20265CA
SIGMA ASSOCIATES LLC4225877Dec 11, 2024Dec 11, 20241WA
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.
ZP82090CA1HARDROCK LOGISTICS INCFeb 28, 2026Jul 7, 20265
RP18845WASIGMA ASSOCIATES LLCDec 11, 2024Dec 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026
2021 Kenworth T680 — VIN 1XKYDP9X7MJ443721