Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49X8JJ182903 · Truck-Tractor · TRUCK
Carriers run under4
34 mo
Inspections5
all-time
OOS inspections3
of 5
First seenSep 9, 2023
TX
Last seenJul 25, 2026
TX
Inspected under 4 different carriers in 34 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
1XKYD49X8JJ182903
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
Jul 11, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
182903

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 · Sep 9, 2023 – Jul 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 25, 2026TXII · Walk-around9OOSGRUPO MONAZ SA DE CV 424966274Y404W/TX
Apr 11, 2026TXII · Walk-around7OOSESTELA ESTRADA MARTINEZ 375453633X2842/TX
Feb 27, 2026USI · Full10OOSESTELA ESTRADA MARTINEZ 375453601ES9W/MX
Sep 24, 2025USI · Full8ALEJANDRO CANTU GOMEZ 156892849ES2G/MX
Sep 9, 2023TXII · Walk-around0SPIRIT TRUCK LINES LLC 437028R318819/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRUPO MONAZ SA DE CV4249662Jul 25, 2026Jul 25, 20261CH
ESTELA ESTRADA MARTINEZ3754536Feb 27, 2026Apr 11, 20262MX
ALEJANDRO CANTU GOMEZ1568928Sep 24, 2025Sep 24, 20251TA
SPIRIT TRUCK LINES LLC437028Sep 9, 2023Sep 9, 20231TX
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.
74Y404WTX1GRUPO MONAZ SA DE CVJul 25, 2026Jul 25, 20261
33X2842TXESTELA ESTRADA MARTINEZApr 11, 2026Apr 11, 20261
01ES9WMXESTELA ESTRADA MARTINEZFeb 27, 2026Feb 27, 20261
49ES2GMXALEJANDRO CANTU GOMEZSep 24, 2025Sep 24, 20251
R318819TXSPIRIT TRUCK LINES LLCSep 9, 2023Sep 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026