Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYDP9X1LJ399343 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections27
all-time
OOS inspections5
of 27
First seenAug 3, 2023
NM
Last seenJul 9, 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
1XKYDP9X1LJ399343
Make
Kenworth
Model
T680
Model year
2020
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.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YDP9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1990 or 2020

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
399343

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
KENWORTH

Prefix basis · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T680

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 3, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026USI · Full1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER42/MX
Jul 2, 2026USI · Full3OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Jun 15, 2026TXI · Full1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
May 27, 2026TXI · Full4AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Apr 10, 2026TXI · Full3AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Nov 20, 2025TXI · Full3OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
Nov 18, 2025TXII · Walk-around0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Nov 13, 2025TXI · Full1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Oct 1, 2025USIII · Driver-only0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Aug 21, 2025USI · Full0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Aug 19, 2025USI · Full5OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Aug 7, 2025TXI · Full4OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/DF
May 28, 2025USI · Full4AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
May 21, 2025TXI · Full2AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Mar 27, 2025TXII · Walk-around1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Feb 27, 2025TXII · Walk-around2OOSAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Feb 24, 2025TXI · Full0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
Feb 20, 2025TXI · Full2AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Dec 19, 2024TXII · Walk-around2AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ERZ/CI
Dec 2, 2024USI · Full0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Nov 14, 2024TXII · Walk-around0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
Oct 18, 2024TXI · Full0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
Sep 30, 2024TXII · Walk-around1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/MX
Sep 3, 2024TXI · Full0AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CV 389808698ER4Z/CI
Oct 18, 2023NMI · Full0STELLAR SIX LLC 3118166R436532/TX
Sep 7, 2023NMI · Full0STELLAR SIX LLC 3118166R436532/TX
Aug 3, 2023NMII · Walk-around0STELLAR SIX LLC 3118166R436532/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 CV3898086Sep 3, 2024Jul 9, 202624CI
STELLAR SIX LLC3118166Aug 3, 2023Oct 18, 20233TX
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.
98ER42MX1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CVJul 9, 2026Jul 9, 20261
98ER4ZMX1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CVSep 30, 2024Jul 2, 202615
98ER4ZCI1AMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CVSep 3, 2024Jun 15, 20266
98ER4ZDFAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CVAug 7, 2025Aug 7, 20251
98ERZCIAMBAS FRONTERAS SERVICIOS DE TRANSPORTE S DE RL DE CVDec 19, 2024Dec 19, 20241
R436532TXSTELLAR SIX LLCAug 3, 2023Oct 18, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026