Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYDP9XXJJ222108 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections5
all-time
OOS inspections0
of 5
First seenJun 13, 2023
IL
Last seenJul 20, 2026
TN
Inspected under 2 different carriers in 37 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
1XKYDP9XXJJ222108
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
YDP9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
222108

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 · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 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 · Jun 13, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026TNIII · Driver-only2MAINSTREAM TRANSPORTATION INC 391543V6879HY/TN
Feb 24, 2025IAIII · Driver-only1DART TRANSIT COMPANY 75525P 940578/IL
Feb 11, 2025MNII · Walk-around1DART TRANSIT COMPANY 75525P940578/IL
May 31, 2024MOII · Walk-around2DART TRANSIT COMPANY 75525P940578/IL
Jun 13, 2023ILIII · Driver-only0DART TRANSIT COMPANY 75525P940578/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAINSTREAM TRANSPORTATION INC391543Jul 20, 2026Jul 20, 20261MN
DART TRANSIT COMPANY75525Jun 13, 2023Feb 24, 20254MN
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.
V6879HYTN1MAINSTREAM TRANSPORTATION INCJul 20, 2026Jul 20, 20261
P 940578ILDART TRANSIT COMPANYFeb 24, 2025Feb 24, 20251
P940578ILDART TRANSIT COMPANYJun 13, 2023Feb 11, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 11, 2026