Equipment unit · VIN-decoded · NHTSA vPIC

2014 Kenworth T680

1XKYD49X6EJ416154 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections11
all-time
OOS inspections5
of 11
First seenSep 21, 2023
LA
Last seenJun 8, 2026
TX
Inspected under 2 different carriers in 33 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
1XKYD49X6EJ416154
Make
Kenworth
Model
T680
Model year
2014
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1984 or 2014

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

North American serial sequence
416154

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
2014

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 · Sep 21, 2023 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026TXII · Walk-around6MTT TRANSPORTATION SERVICES LLC 359150133ER3P/MX
Feb 11, 2026TXII · Walk-around7OOSMTT TRANSPORTATION SERVICES LLC 359150195W214W/TX
Oct 3, 2025TXII · Walk-around3OOSMTT TRANSPORTATION SERVICES LLC 3591501R660308/TX
Sep 10, 2025USI · Full4OOSMTT TRANSPORTATION SERVICES LLC 359150133ER3P/MX
Mar 17, 2025TXII · Walk-around8FRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Nov 5, 2024TXII · Walk-around3OOSFRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Aug 8, 2024TXII · Walk-around2FRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Aug 2, 2024TXII · Walk-around7FRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Feb 12, 2024TXII · Walk-around3OOSFRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Dec 19, 2023TXII · Walk-around1FRONTERA EXPRESS LIMITED LIABILITY COMPANY 1205403R660308/TX
Sep 21, 2023LAI · Full6FRONTERA EXPRESS LIMITED LIABILITY COMPANY 120540333ER3P/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MTT TRANSPORTATION SERVICES LLC3591501Sep 10, 2025Jun 8, 20264TX
FRONTERA EXPRESS LIMITED LIABILITY COMPANY1205403Sep 21, 2023Mar 17, 20257TX
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.
33ER3PMXMTT TRANSPORTATION SERVICES LLCSep 10, 2025Jun 8, 20262
95W214WTXMTT TRANSPORTATION SERVICES LLCFeb 11, 2026Feb 11, 20261
R660308TXMTT TRANSPORTATION SERVICES LLCOct 3, 2025Oct 3, 20251
R660308TXFRONTERA EXPRESS LIMITED LIABILITY COMPANYDec 19, 2023Mar 17, 20256
33ER3PMXFRONTERA EXPRESS LIMITED LIABILITY COMPANYSep 21, 2023Sep 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026