Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49XXJJ200415 · Truck-Tractor · TRUCK
Carriers run under5
28 mo
Inspections20
all-time
OOS inspections6
of 20
First seenNov 29, 2023
TX
Last seenMar 3, 2026
TX
Inspected under 5 different carriers in 28 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
1XKYD49XXJJ200415
Make
Kenworth
Model
T680
Model year
2018
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
YD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

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

North American serial sequence
200415

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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
2018

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 · Nov 29, 2023 – Mar 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 3, 2026TXII · Walk-around5FRONTERA EXPRESS LIMITED LIABILITY COMPANY 12054031N68632/TX
Oct 21, 2025TXII · Walk-around1MTT TRANSPORTATION SERVICES LLC 35915011N68632/TX
Aug 19, 2025TXII · Walk-around3MTT TRANSPORTATION SERVICES LLC 35915011N68632/TX
Apr 23, 2025TXII · Walk-around3OOSMTT TRANSPORTATION SERVICES LLC 359150130ER6T/MX
Mar 24, 2025USI · Full4OOSMTT TRANSPORTATION SERVICES LLC 359150130ER6T/MX
Dec 6, 2024TXII · Walk-around1MTT TRANSPORTATION SERVICES LLC 359150130ER6T/MX
Apr 2, 2024TXII · Walk-around1OOSTRANSFAZA S A DE C V 409239830ER6T/MX
Mar 26, 2024TXII · Walk-around7TRANSFAZA SA DE CV 387540830ER6T/MX
Feb 27, 2024TXII · Walk-around1JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Jan 15, 2024TXII · Walk-around1JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Jan 4, 2024TXII · Walk-around0JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Jan 3, 2024TXII · Walk-around1OOSJULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 30, 2023TXII · Walk-around0JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 29, 2023TXII · Walk-around2OOSJULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 28, 2023TXII · Walk-around1JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 27, 2023TXII · Walk-around0JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 26, 2023TXII · Walk-around0JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 7, 2023TXII · Walk-around1JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Dec 4, 2023TXII · Walk-around0JULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
Nov 29, 2023TXII · Walk-around1OOSJULIO RODOLFO GONZALEZ OLVEDA 292750830ER6T/MX
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRONTERA EXPRESS LIMITED LIABILITY COMPANY1205403Mar 3, 2026Mar 3, 20261TX
MTT TRANSPORTATION SERVICES LLC3591501Dec 6, 2024Oct 21, 20255TX
TRANSFAZA S A DE C V4092398Apr 2, 2024Apr 2, 20241CH
TRANSFAZA SA DE CV3875408Mar 26, 2024Mar 26, 20241CH
JULIO RODOLFO GONZALEZ OLVEDA2927508Nov 29, 2023Feb 27, 202412MX
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.
1N68632TXFRONTERA EXPRESS LIMITED LIABILITY COMPANYMar 3, 2026Mar 3, 20261
1N68632TXMTT TRANSPORTATION SERVICES LLCAug 19, 2025Oct 21, 20252
30ER6TMXMTT TRANSPORTATION SERVICES LLCDec 6, 2024Apr 23, 20253
30ER6TMXTRANSFAZA S A DE C VApr 2, 2024Apr 2, 20241
30ER6TMXTRANSFAZA SA DE CVMar 26, 2024Mar 26, 20241
30ER6TMXJULIO RODOLFO GONZALEZ OLVEDANov 29, 2023Feb 27, 202412
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026