Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X0MJ434874 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 3, 2024
MO
Last seenApr 23, 2026
IL
Inspected under 3 different carriers in 27 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
1XKYD49X0MJ434874
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
Jul 10, 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 3, 2024 – Apr 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 23, 2026ILIII · Driver-only0—JAC TRANSPORTATION LLC 3004730R782742/TX
Dec 11, 2025TXI · Full3OOSJAC TRANSPORTATION LLC 3004730R782742/TX
Oct 22, 2025TXII · Walk-around2—DOUBLE DIAMOND TRANSPORT INC 1427730R782742/TX
Jan 3, 2024MOIII · Driver-only1—MARTEN TRANSPORT LTD 744322913575/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAC TRANSPORTATION LLC3004730Dec 11, 2025Apr 23, 20262TX
DOUBLE DIAMOND TRANSPORT INC1427730Oct 22, 2025Oct 22, 20251TX
MARTEN TRANSPORT LTD74432Jan 3, 2024Jan 3, 20241WI
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.
R782742TX—JAC TRANSPORTATION LLCDec 11, 2025 → Apr 23, 20262
R782742TX—DOUBLE DIAMOND TRANSPORT INCOct 22, 2025 → Oct 22, 20251
2913575IN—MARTEN TRANSPORT LTDJan 3, 2024 → Jan 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026