Equipment unit · VIN-decoded · NHTSA vPIC

2024 Kenworth W9 Series

1XKWP40X3RR383438 · Truck-Tractor · TRUCK
W900
Carriers run under2
30 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJan 16, 2024
UT
Last seenJul 12, 2026
TX
Inspected under 2 different carriers in 30 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
1XKWP40X3RR383438
Make
Kenworth
Model
W9 Series
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
Jul 10, 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
WP40X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
383438

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 · 131 decoded VINs at 100.0% prefix purity.

Model
W9 Series

Prefix basis · 131 decoded VINs at 100.0% prefix purity.

Model line
W900

Sourced label · prefix basis 131 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
2024

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 · Jan 16, 2024 – Jul 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 12, 2026TXII · Walk-around0CONTRAIL TRANSPORTATION LLC 4536018A071958/UT
Jul 12, 2026TXII · Walk-around0CONTRAIL TRANSPORTATION LLC 4536018A071958/UT
Aug 24, 2025UTI · Full1DNB TRANSPORTATION INC 1949852A062011/UT
Jun 10, 2025UTI · Full1DNB TRANSPORTATION INC 1949852A062011/UT
Sep 13, 2024UTI · Full0DNB TRANSPORTATION INC 1949852A062011/UT
Jan 16, 2024UTI · Full1DNB TRANSPORTATION INC 1949852A062011/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CONTRAIL TRANSPORTATION LLC4536018Jul 12, 2026Jul 12, 20262UT
DNB TRANSPORTATION INC1949852Jan 16, 2024Aug 24, 20254UT
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.
A071958UT1CONTRAIL TRANSPORTATION LLCJul 12, 2026Jul 12, 20262
A062011UT1DNB TRANSPORTATION INCJan 16, 2024Aug 24, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026