Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X3MJ448771 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections16
all-time
OOS inspections2
of 16
First seen07/19/2023
NM
Last seen06/24/2026
US
Inspected under 2 different carriers in 35 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
1XKYDP9X3MJ448771
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
06/16/2026
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 · 07/19/2023 – 06/24/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
06/24/2026USIII · Driver-only1—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
06/11/2026USIII · Driver-only1—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/29/2026TXII · Walk-around2—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/27/2026TXII · Walk-around1—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/19/2026USI · Full0—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/18/2026USIII · Driver-only0—AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/12/2026USI · Full3OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
05/11/2026USI · Full4OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808629ES8X/MX
07/05/2025TXII · Walk-around4—STELLAR SIX LLC 3118166R490322/TX
06/12/2025NMI · Full0—STELLAR SIX LLC 3118166R490322/TX
01/20/2025NMI · Full0—STELLAR SIX LLC 3118166R490322/TX
02/27/2024UTI · Full2—STELLAR SIX LLC 3118166R490322/TX
11/15/2023NMI · Full0—STELLAR SIX LLC 3118166R490322/TX
11/03/2023NMII · Walk-around1—STELLAR SIX LLC 3118166R490322/TX
09/29/2023NMIII · Driver-only0—STELLAR SIX LLC 3118166R490322/TX
07/19/2023NMIII · Driver-only1—STELLAR SIX LLC 3118166R490322/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV389808605/11/202606/24/20268CI
STELLAR SIX LLC311816607/19/202307/05/20258TX
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.
29ES8XMX1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV05/11/2026 → 06/24/20268
R490322TX—STELLAR SIX LLC07/19/2023 → 07/05/20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/16/2026