Equipment unit · VIN-decoded · NHTSA vPIC

2022 Kenworth W9 Series

1XKWP4EX1NR485971 · Truck-Tractor · TRUCK
W900
Carriers run under3
31 mo
Inspections7
all-time
OOS inspections0
of 7
First seenSep 21, 2023
AZ
Last seenApr 21, 2026
NC
Inspected under 3 different carriers in 31 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
1XKWP4EX1NR485971
Make
Kenworth
Model
W9 Series
Model year
2022
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
WP4EX

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1992 or 2022

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

North American serial sequence
485971

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 · 209 decoded VINs at 91.9% prefix purity.

Model
W9 Series

Prefix basis · 209 decoded VINs at 91.9% prefix purity.

Model line
W900

Sourced label · prefix basis 209 decoded VINs at 91.9% 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
2022

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 · Sep 21, 2023 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026NCII · Walk-around0S P I TRANSPORT SYSTEMS INC 25946637629PZ/VA
Mar 5, 2026NCII · Walk-around0S P I TRANSPORT SYSTEMS INC 25946637629PZ/VA
Feb 27, 2026NCIII · Driver-only0S P I TRANSPORT SYSTEMS INC 25946637629PZ/VA
Oct 13, 2023AZIII · Driver-only0UACL SPECIALIZED LLC 8547443433781/IN
Oct 5, 2023AZIII · Driver-only0UACL SPECIALIZED LLC 8547443433781/IN
Sep 28, 2023AZIII · Driver-only0J ORDONEZ TRUCKING LLC 34337813433781/IN
Sep 21, 2023AZII · Walk-around0UACL SPECIALIZED LLC 8547443433781/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S P I TRANSPORT SYSTEMS INC259466Feb 27, 2026Apr 21, 20263NJ
UACL SPECIALIZED LLC854744Sep 21, 2023Oct 13, 20233MI
J ORDONEZ TRUCKING LLC3433781Sep 28, 2023Sep 28, 20231GA
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.
37629PZVAS P I TRANSPORT SYSTEMS INCFeb 27, 2026Apr 21, 20263
3433781INUACL SPECIALIZED LLCSep 21, 2023Oct 13, 20233
3433781INJ ORDONEZ TRUCKING LLCSep 28, 2023Sep 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026