Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X6MJ447595 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections10
all-time
OOS inspections4
of 10
First seenNov 14, 2023
NM
Last seenMay 27, 2026
MS
Inspected under 3 different carriers in 30 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
1XKYD49X6MJ447595
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
6 · valid

Deterministic · position 9; calculated value 6.

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
447595

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 · Nov 14, 2023 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026MSIII · Driver-only0ITZ GON TRUCKING LLC 4085492R771036/TX
Apr 16, 2026MIIII · Driver-only1ITZ GON TRUCKING LLC 4085492R771036/TX
Mar 21, 2026TXII · Walk-around0TRANSIX LOGISTICS INC 4527523R771036/TX
Mar 21, 2026TXII · Walk-around1ITZ GON TRUCKING LLC 4085492R771036/TX
Nov 25, 2025TXII · Walk-around10OOSITZ GON TRUCKING LLC 4085492R771036/TX
Oct 8, 2025ARI · Full6OOSITZ GON TRUCKING LLC 4085492R771036/TX
Mar 22, 2025KSIII · Driver-only0ITZ GON TRUCKING LLC 4085492R771036/TX
Jan 21, 2025TXII · Walk-around2ITZ GON TRUCKING LLC 40854927111T37/TX
Nov 14, 2023NMII · Walk-around2OOSSTEVENS TRANSPORT INC 79466R650272/TX
Nov 14, 2023NMII · Walk-around2OOSSTEVENS TRANSPORT INC 79466R650272/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ITZ GON TRUCKING LLC4085492Jan 21, 2025May 27, 20267TX
TRANSIX LOGISTICS INC4527523Mar 21, 2026Mar 21, 20261TX
STEVENS TRANSPORT INC79466Nov 14, 2023Nov 14, 20232TX
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.
R771036TXITZ GON TRUCKING LLCMar 22, 2025May 27, 20266
R771036TXTRANSIX LOGISTICS INCMar 21, 2026Mar 21, 20261
7111T37TXITZ GON TRUCKING LLCJan 21, 2025Jan 21, 20251
R650272TX1STEVENS TRANSPORT INCNov 14, 2023Nov 14, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026