Equipment unit · VIN-decoded · NHTSA vPIC

1999 Kenworth W900

1NKWLT0X2XR824571 · Truck · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections10
all-time
OOS inspections7
of 10
First seenJul 19, 2023
TX
Last seenAug 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

VIN
1NKWLT0X2XR824571
Make
Kenworth
Model
W900
Model year
1999
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WLT0X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1999 or 2029

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

North American serial sequence
824571

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 · 34 decoded VINs at 91.2% prefix purity.

Model
W900

Prefix basis · 34 decoded VINs at 91.2% 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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W900

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 19, 2023 – Aug 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 20, 2025TXIII · Driver-only3OOSBAIRES READY MIX LLC 4383958RXS1645/TX
May 13, 2025TXI · Full12BAIRES READY MIX LLC 4383958RXS1645/TX
Apr 10, 2025TXI · Full11OOSBAIRES READY MIX LLC 4383958RXS1645/TX
Dec 9, 2024TXII · Walk-around6MARIA T VELASQUEZ 3158145RXS1645/TX
Nov 13, 2024TXII · Walk-around9OOSMARIA T VELASQUEZ 3158145RXS1645/TX
Oct 17, 2024TXII · Walk-around4OOSMARIA T VELASQUEZ 3158145RXS1645/TX
Feb 8, 2024TXII · Walk-around9OOSMARIA T VELASQUEZ 3158145RXS1645/TX
Nov 21, 2023TXII · Walk-around13OOSMARIA T VELASQUEZ 3158145RXS1645/TX
Nov 13, 2023TXII · Walk-around9OOSMARIA T VELASQUEZ 3158145RXS1645/TX
Jul 19, 2023TXI · Full5MARIA T VELASQUEZ 3158145RXS1645/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BAIRES READY MIX LLC4383958Apr 10, 2025Aug 20, 20253TX
MARIA T VELASQUEZ3158145Jul 19, 2023Dec 9, 20247TX
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.
RXS1645TXBAIRES READY MIX LLCApr 10, 2025Aug 20, 20253
RXS1645TXMARIA T VELASQUEZJul 19, 2023Dec 9, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026