Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X2MJ435069 · Truck-Tractor · TRUCK
Carriers run under4
13 mo
Inspections7
all-time
OOS inspections3
of 7
First seenOct 4, 2024
WY
Last seenNov 14, 2025
IL
Inspected under 4 different carriers in 13 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
1XKYD49X2MJ435069
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
2 · valid

Deterministic · position 9; calculated value 2.

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
435069

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 · Oct 4, 2024 – Nov 14, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 14, 2025ILIII · Driver-only5OOSJARNAIL TRANSPORT INC 4349350ZP48312/CA
Oct 9, 2025CAIII · Driver-only2ROADKING FREIGHTLINE INC 4281334ZP48312/CA
Jun 13, 2025ILIII · Driver-only0ROADKING FREIGHTLINE INC 4281334ZP48312/CA
Apr 6, 2025NEIII · Driver-only2OOSJARNAIL TRANSPORT INC 4349350ZP48312/CA
Apr 4, 2025CAIII · Driver-only1ROADKING FREIGHTLINE INC 4281334ZP48312/CA
Feb 2, 2025KSII · Walk-around8ROADKING TRANSPORT INC 3439585ZP483112/CA
Oct 4, 2024WYIII · Driver-only3OOSSIDHU FREIGHTLINE INC 3327434TEMP435069/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JARNAIL TRANSPORT INC4349350Apr 6, 2025Nov 14, 20252CA
ROADKING FREIGHTLINE INC4281334Apr 4, 2025Oct 9, 20253CA
ROADKING TRANSPORT INC3439585Feb 2, 2025Feb 2, 20251CA
SIDHU FREIGHTLINE INC3327434Oct 4, 2024Oct 4, 20241CA
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.
ZP48312CAJARNAIL TRANSPORT INCApr 6, 2025Nov 14, 20252
ZP48312CAROADKING FREIGHTLINE INCApr 4, 2025Oct 9, 20253
ZP483112CAROADKING TRANSPORT INCFeb 2, 2025Feb 2, 20251
TEMP435069ILSIDHU FREIGHTLINE INCOct 4, 2024Oct 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026