Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X9MJ435067 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections9
all-time
OOS inspections4
of 9
First seenJul 16, 2023
TN
Last seenJun 30, 2026
CA
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
1XKYD49X9MJ435067
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
Jun 21, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
435067

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
2021

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 · Jul 16, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026CAI · Full1OOSKING MAKER TRUCKING LLC 3531319ZP51902/CA
May 14, 2026ORI · Full1OOSKING MAKER TRUCKING LLC 3531319ZP51902/CA
Apr 2, 2026CAI · Full1OOSKING MAKER TRUCKING LLC 3531319ZP51902/CA
Apr 2, 2026CAI · Full0KING MAKER TRUCKING LLC 3531319ZP51902/CA
Jan 24, 2026CAI · Full0KING MAKER TRUCKING LLC 3531319ZP51902/CA
Jan 22, 2026CAI · Full6OOSKING MAKER TRUCKING LLC 3531319ZP51902/CA
Feb 18, 2025CAI · Full0KING MAKER TRUCKING LLC 3531319ZP51902/CA
Nov 10, 2023MSII · Walk-around1MARTEN TRANSPORT LTD 744322913724/IN
Jul 16, 2023TNIII · Driver-only0MARTEN TRANSPORT LTD 744322913724/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KING MAKER TRUCKING LLC3531319Feb 18, 2025Jun 30, 20267CA
MARTEN TRANSPORT LTD74432Jul 16, 2023Nov 10, 20232WI
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.
ZP51902CA1KING MAKER TRUCKING LLCFeb 18, 2025Jun 30, 20267
2913724INMARTEN TRANSPORT LTDJul 16, 2023Nov 10, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026