Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYD49X8JJ202437 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections5
all-time
OOS inspections1
of 5
First seenAug 17, 2023
OH
Last seenApr 15, 2026
AR
Inspected under 2 different carriers in 32 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
1XKYD49X8JJ202437
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
Jun 28, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
202437

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
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 · Aug 17, 2023 – Apr 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2026ARIII · Driver-only0GK ROYAL LLC 3703777RC53815/MI
Feb 18, 2025MIIII · Driver-only1KRYSTAL TRANSPORT LLC 1998214RC44214/MI
Sep 24, 2024INII · Walk-around1KRYSTAL TRANSPORT LLC 1998214RC13082/MI
Aug 31, 2024TXII · Walk-around2OOSKRYSTAL TRANSPORT LLC 1998214RC13082/MI
Aug 17, 2023OHIII · Driver-only0KRYSTAL TRANSPORT LLC 1998214RC13082/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GK ROYAL LLC3703777Apr 15, 2026Apr 15, 20261MI
KRYSTAL TRANSPORT LLC1998214Aug 17, 2023Feb 18, 20254IN
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.
RC53815MIGK ROYAL LLCApr 15, 2026Apr 15, 20261
RC44214MIKRYSTAL TRANSPORT LLCFeb 18, 2025Feb 18, 20251
RC13082MIKRYSTAL TRANSPORT LLCAug 17, 2023Sep 24, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026