Equipment unit · NHTSA vPIC identity

2021 Kenworth T680

1XKYP40X5MJ456387 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections5
all-time
OOS inspections0
of 5
First seenNov 29, 2023
WA
Last seenOct 21, 2026
WA
Inspected under 2 different carriers in 35 months
These observations show where this VIN appeared, not who owned the vehicle. Sales, leases or owner-operator moves may explain carrier changes. A shared VIN alone is not a fraud finding. Compare dates and sources in the timeline below.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYP40X5MJ456387
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 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
YP40X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
456387

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 · 128 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 128 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.

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 · Nov 29, 2023 – Oct 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 21, 2026WAII · Walk-around0—TB TRANS LLC 3282429RP29535/WA
Aug 3, 2026WAIII · Driver-only2—TB TRANS LLC 3282429RP29535/WA
Nov 24, 2025UTIII · Driver-only1—SYSTEM TRANSPORT INC 2793585576RP/WA
Sep 12, 2024ORII · Walk-around0—SYSTEM TRANSPORT INC 2793585576RP/OR
Nov 29, 2023WAII · Walk-around1—SYSTEM TRANSPORT INC 2793585576RP/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TB TRANS LLC3282429Aug 3, 2026Oct 21, 20262WA
SYSTEM TRANSPORT INC27935Nov 29, 2023Nov 24, 20253WA
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.
RP29535WA1TB TRANS LLCAug 3, 2026 → Oct 21, 20262
85576RPWA—SYSTEM TRANSPORT INCNov 29, 2023 → Nov 24, 20252
85576RPOR—SYSTEM TRANSPORT INCSep 12, 2024 → Sep 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 28, 2026