Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X3MJ444329 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJul 24, 2024
TX
Last seenJul 29, 2026
TX
Inspected under 3 different carriers in 24 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
1XKYD49X3MJ444329
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 · Jul 24, 2024 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXII · Walk-around1OOSSEI ACQUISITION LLC 4843601N61220/TX
Apr 16, 2026TXI · Full4—SEI ACQUISITION LLC 4843601N61220/TX
Feb 27, 2026TXII · Walk-around0—SEI ACQUISITION LLC 4843601N61220/TX
Dec 3, 2025TXII · Walk-around0—HOUSTON REFRIGERATED TRUCKING LLC 25461871N61220/TX
Oct 21, 2025TXII · Walk-around2OOSHOUSTON REFRIGERATED TRUCKING LLC 25461871N61220/TX
Jul 29, 2024TXII · Walk-around0—ZIP LINE TRANSPORTATION LLC 2371365R724495/TX
Jul 24, 2024TXI · Full2OOSZIP LINE TRANSPORTATION LLC 2371365R724495/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SEI ACQUISITION LLC484360Feb 27, 2026Jul 29, 20263IL
HOUSTON REFRIGERATED TRUCKING LLC2546187Oct 21, 2025Dec 3, 20252TX
ZIP LINE TRANSPORTATION LLC2371365Jul 24, 2024Jul 29, 20242TX
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.
1N61220TX1SEI ACQUISITION LLCFeb 27, 2026 → Jul 29, 20263
1N61220TX—HOUSTON REFRIGERATED TRUCKING LLCOct 21, 2025 → Dec 3, 20252
R724495TX—ZIP LINE TRANSPORTATION LLCJul 24, 2024 → Jul 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026