Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W990

1XK1P4TX2SJ132436 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections13
all-time
OOS inspections5
of 13
First seenOct 7, 2024
AR
Last seenJul 14, 2026
MI
Inspected under 2 different carriers in 21 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
1XK1P4TX2SJ132436
Make
Kenworth
Model
W990
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 17, 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
1P4TX

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
132436

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
W990

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 7, 2024 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026MIII · Walk-around5US WAY TRUCKING LLC 3963285RC43735/MI
May 16, 2026MSII · Walk-around2OOSNEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Apr 2, 2026SCIII · Driver-only2NEXTGEN HEAVY HAULERS LLC 4070240RC43735/NC
Mar 27, 2026SCIII · Driver-only2NEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Mar 26, 2026SCII · Walk-around7NEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Dec 10, 2025WAII · Walk-around21OOSNEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Nov 17, 2025PAI · Full4NEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Oct 30, 2025PAII · Walk-around17OOSNEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Sep 16, 2025MSII · Walk-around3OOSNEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Jul 28, 2025TNII · Walk-around3OOSNEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Jun 13, 2025GAIII · Driver-only3NEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
Mar 13, 2025MTIII · Driver-only2NEXTGEN HEAVY HAULERS LLC 4070240C43735/MI
Oct 7, 2024ARIII · Driver-only1NEXTGEN HEAVY HAULERS LLC 4070240RC43735/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
US WAY TRUCKING LLC3963285Jul 14, 2026Jul 14, 20261OH
NEXTGEN HEAVY HAULERS LLC4070240Oct 7, 2024May 16, 202612MI
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.
RC43735MI1US WAY TRUCKING LLCJul 14, 2026Jul 14, 20261
RC43735MINEXTGEN HEAVY HAULERS LLCOct 7, 2024May 16, 202610
RC43735NCNEXTGEN HEAVY HAULERS LLCApr 2, 2026Apr 2, 20261
C43735MINEXTGEN HEAVY HAULERS LLCMar 13, 2025Mar 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026