Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T680

1XKYD49X4HJ129089 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 10, 2023
MT
Last seenFeb 5, 2026
CA
Inspected under 2 different carriers in 31 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
1XKYD49X4HJ129089
Make
Kenworth
Model
T680
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 27, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
129089

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
2017

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 · Jul 10, 2023 – Feb 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 5, 2026CAI · Full2JP MASTER TRANSPORT INC 326830914958A4/CA
Jul 19, 2023COIII · Driver-only2SYSTEM TRANSPORT INC 2793564392RP/WA
Jul 10, 2023MTIII · Driver-only0SYSTEM TRANSPORT INC 2793564392RP/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JP MASTER TRANSPORT INC3268309Feb 5, 2026Feb 5, 20261CA
SYSTEM TRANSPORT INC27935Jul 10, 2023Jul 19, 20232WA
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.
14958A4CAJP MASTER TRANSPORT INCFeb 5, 2026Feb 5, 20261
64392RPWASYSTEM TRANSPORT INCJul 10, 2023Jul 19, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 27, 2026