Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X1MJ447469 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections10
all-time
OOS inspections0
of 10
First seenMar 15, 2024
MO
Last seenJun 1, 2026
MT
Inspected under 2 different carriers in 27 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
1XKYD49X1MJ447469
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 20, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
447469

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 · Mar 15, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026MTIII · Driver-only0SWARN SINGH 2429926ZP31872/CA
Mar 19, 2026KYIII · Driver-only1SWARN SINGH 2429926ZP31872/CA
Feb 24, 2026TXIII · Driver-only2SWARN SINGH 2429926ZP31872/CA
Nov 3, 2025AZII · Walk-around2SWARN SINGH 2429926ZP31872/CA
Oct 20, 2025MTIII · Driver-only0SWARN SINGH 2429926ZP31872/CA
Apr 17, 2025CAI · Full0SWARN SINGH 2429926ZP31872/CA
Feb 19, 2025GAIII · Driver-only2SWARN SINGH 2429926ZP31872/CA
Nov 22, 2024MOIII · Driver-only2SWARN SINGH 2429926ZP31872/CA
Aug 22, 2024CAII · Walk-around1SWARN SINGH 2429926ZP31872/CA
Mar 15, 2024MOII · Walk-around0STEVENS TRANSPORT INC 79466R495250/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SWARN SINGH2429926Aug 22, 2024Jun 1, 20269CA
STEVENS TRANSPORT INC79466Mar 15, 2024Mar 15, 20241TX
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.
ZP31872CA1SWARN SINGHAug 22, 2024Jun 1, 20269
R495250TXSTEVENS TRANSPORT INCMar 15, 2024Mar 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026