Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X4MJ431993 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections16
all-time
OOS inspections6
of 16
First seenJan 31, 2024
CA
Last seenJun 1, 2026
CA
Inspected under 2 different carriers in 29 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
1XKYD49X4MJ431993
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 14, 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 · Jan 31, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026CAIII · Driver-only0—SIMIC LOGISTICS INC 3438557ZP21434/CA
Mar 11, 2026CAI · Full0—SIMIC LOGISTICS INC 3438557ZP21434/CA
Mar 11, 2026CAI · Full2OOSSIMIC LOGISTICS INC 3438557ZP21434/CA
Jan 31, 2026ORIII · Driver-only3OOSSIMIC LOGISTICS INC 3438557ZP21434/CA
Jan 28, 2026CAI · Full5OOSSIMIC LOGISTICS INC 3438557ZP21434/CA
Oct 18, 2025CAII · Walk-around0—SIMIC LOGISTICS INC 3438557ZP21434/CA
Oct 17, 2025CAI · Full3—SIMIC LOGISTICS INC 3438557ZP21434/CA
Sep 8, 2025WAII · Walk-around4—SIMIC LOGISTICS INC 3438557ZP21434/CA
Aug 12, 2025ORII · Walk-around2OOSSIMIC LOGISTICS INC 3438557ZP21434/CA
Jun 20, 2025CAII · Walk-around0—SIMIC LOGISTICS INC 3438557ZP21434/CA
May 21, 2025CAII · Walk-around1—SIMIC LOGISTICS INC 3438557ZP21434/CA
May 12, 2025WAII · Walk-around9—SIMIC LOGISTICS INC 3438557ZP21434/CA
Mar 27, 2025CAI · Full3—SIMIC LOGISTICS INC 3438557ZP21434/CA
Mar 18, 2025CAV · Vehicle-only3OOSSIMIC LOGISTICS INC 3438557ZP21434/CA
May 21, 2024WAII · Walk-around1OOSMARTEN TRANSPORT LTD 744322913055/IN
Jan 31, 2024CAI · Full0—MARTEN TRANSPORT LTD 744322913055/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SIMIC LOGISTICS INC3438557Mar 18, 2025Jun 1, 202614CA
MARTEN TRANSPORT LTD74432Jan 31, 2024May 21, 20242WI
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.
ZP21434CA—SIMIC LOGISTICS INCMar 18, 2025 → Jun 1, 202614
2913055IN—MARTEN TRANSPORT LTDJan 31, 2024 → May 21, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026
2021 Kenworth T680 — VIN 1XKYD49X4MJ431993