Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W9 Series

1XKWP4TX5SR133698 · Truck-Tractor · TRUCK
W900
Carriers run under1
14 mo
Inspections8
all-time
OOS inspections1
of 8
First seenOct 17, 2024
OK
Last seenDec 3, 2025
MO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKWP4TX5SR133698
Make
Kenworth
Model
W9 Series
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
WP4TX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1995 or 2025

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

North American serial sequence
133698

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 · 277 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 277 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 277 decoded VINs at 100.0% prefix purity.

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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
W9 Series

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 17, 2024 – Dec 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 3, 2025MOII · Walk-around0BULLDOG SERVICES LLC 1069244R742287/TX
Nov 17, 2025MOII · Walk-around0BULLDOG SERVICES LLC 1069244R742287/TX
Nov 5, 2025MOII · Walk-around0BULLDOG SERVICES LLC 1069244R742287/TX
Oct 20, 2025MOII · Walk-around1BULLDOG SERVICES LLC 1069244R742287/TX
Aug 6, 2025ILIII · Driver-only1OOSBULLDOG SERVICES LLC 1069244R742287/TX
Dec 9, 2024AZII · Walk-around1BULLDOG SERVICES LLC 1069244R742287/TX
Nov 16, 2024ARIII · Driver-only0BULLDOG SERVICES LLC 1069244R742287/TX
Oct 17, 2024OKIII · Driver-only2BULLDOG SERVICES LLC 1069244R742287/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BULLDOG SERVICES LLC1069244Oct 17, 2024Dec 3, 20258TX
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.
R742287TX1BULLDOG SERVICES LLCOct 17, 2024Dec 3, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026