Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X0MJ466353 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 12, 2024
OH
Last seenNov 20, 2025
TX
Inspected under 2 different carriers in 11 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
1XKYD49X0MJ466353
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
Jul 10, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
466353

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 · Dec 12, 2024 – Nov 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 20, 2025TXII · Walk-around0KRYSTAL TRANSPORT LLC 1998214RC54903/MI
Sep 10, 2025TXI · Full6KRYSTAL TRANSPORT LLC 1998214RC54903/MI
Jan 16, 2025PAIII · Driver-only4PB 57 TRUCKING INC 36623773682382/IN
Dec 12, 2024OHIII · Driver-only1PB 57 TRUCKING INC 36623773682381/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KRYSTAL TRANSPORT LLC1998214Sep 10, 2025Nov 20, 20252IN
PB 57 TRUCKING INC3662377Dec 12, 2024Jan 16, 20252IN
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.
RC54903MIKRYSTAL TRANSPORT LLCSep 10, 2025Nov 20, 20252
3682382INPB 57 TRUCKING INCJan 16, 2025Jan 16, 20251
3682381INPB 57 TRUCKING INCDec 12, 2024Dec 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026