Equipment unit · VIN-decoded · NHTSA vPIC

1XKZD49X4KJ279098

Not yet decoded
Carriers run under2
25 mo
Inspections2
all-time
OOS inspections1
of 2
First seenSep 27, 2023
IL
Last seenOct 20, 2025
TX
Inspected under 2 different carriers in 25 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
ZD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
279098

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 · 3,036 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 3,036 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 · Sep 27, 2023 – Oct 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2025TXI · Full3OOSWHITNEY TRANSPORT SOUTHWEST LLC 43726771M25425/TX
Sep 27, 2023ILI · Full0WINCO TRUCKING LLC 2126776R404963/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WHITNEY TRANSPORT SOUTHWEST LLC4372677Oct 20, 2025Oct 20, 20251TX
WINCO TRUCKING LLC2126776Sep 27, 2023Sep 27, 20231TX
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.
1M25425TXWHITNEY TRANSPORT SOUTHWEST LLCOct 20, 2025Oct 20, 20251
R404963TXWINCO TRUCKING LLCSep 27, 2023Sep 27, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC