Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth T680

1XKYD49X4RJ319489 · Truck-Tractor · TRUCK
Carriers run under2
36 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJul 29, 2023
NM
Last seenJul 19, 2026
AL
Inspected under 2 different carriers in 36 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
1XKYD49X4RJ319489
Make
Kenworth
Model
T680
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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
1994 or 2024

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

North American serial sequence
319489

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
2024

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 29, 2023 – Jul 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 19, 2026ALIII · Driver-only1BIG TRANSPORT INC 3139243ZP23042/CA
Jun 23, 2026ARII · Walk-around1OOSBIG TRANSPORT INC 3139243ZP23042/CA
May 7, 2026CAII · Walk-around1OOSBIG TRANSPORT INC 3139243ZP23042/CA
Mar 22, 2025LAIII · Driver-only0BIG TRANSPORT INC 3139243ZP23042/CA
Nov 29, 2024CAI · Full0BIG TRANSPORT INC 3139243ZP23042/CA
Feb 14, 2024NMIII · Driver-only0BIG TRANSPORT INC 3139243YP83277/CA
Jul 29, 2023NMIII · Driver-only01 DAY TRANSPORT INC 3799973YP83277/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG TRANSPORT INC3139243Feb 14, 2024Jul 19, 20266CA
1 DAY TRANSPORT INC3799973Jul 29, 2023Jul 29, 20231OH
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.
ZP23042CA1BIG TRANSPORT INCNov 29, 2024Jul 19, 20265
YP83277CABIG TRANSPORT INCFeb 14, 2024Feb 14, 20241
YP83277CA1 DAY TRANSPORT INCJul 29, 2023Jul 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 27, 2026