Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth W990

1XK1P4TX2SJ374546 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections13
all-time
OOS inspections2
of 13
First seenMar 19, 2024
SC
Last seenJul 21, 2026
CA
Inspected under 2 different carriers in 28 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
1XK1P4TX2SJ374546
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
374546

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 · Mar 19, 2024 – Jul 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 21, 2026CAII · Walk-around0AAA FREIGHT INC 2028041R856709/TX
Jul 20, 2026CAI · Full0AAA FREIGHT INC 2028041R856709/TX
Feb 12, 2026MTIII · Driver-only2RELIABLETRANSPORT LLC 3906954PWY8826/OH
Jan 20, 2026NCIII · Driver-only1RELIABLETRANSPORT LLC 3906954PWY8826/OH
Jul 22, 2025FLIII · Driver-only4RELIABLETRANSPORT LLC 3906954PWY8826/OH
Dec 28, 2024ILIII · Driver-only4RELIABLETRANSPORT LLC 3906954PWY8826/OH
Dec 10, 2024FLII · Walk-around6OOSRELIABLETRANSPORT LLC 3906954PWY8826/OH
Dec 2, 2024LAII · Walk-around2RELIABLETRANSPORT LLC 3906954PWY8826/OH
Nov 6, 2024MDII · Walk-around1RELIABLETRANSPORT LLC 3906954PWY8826/OH
Aug 2, 2024LAII · Walk-around9RELIABLETRANSPORT LLC 3906954PWY8826/OH
May 12, 2024WYII · Walk-around11OOSRELIABLETRANSPORT LLC 3906954PWY8826/OH
Apr 5, 2024INII · Walk-around0RELIABLETRANSPORT LLC 3906954PWY8826/OH
Mar 19, 2024SCIII · Driver-only6RELIABLETRANSPORT LLC 3906954PWY8826/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AAA FREIGHT INC2028041Jul 20, 2026Jul 21, 20262IL
RELIABLETRANSPORT LLC3906954Mar 19, 2024Feb 12, 202611OH
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.
R856709TX1AAA FREIGHT INCJul 20, 2026Jul 21, 20262
PWY8826OHRELIABLETRANSPORT LLCMar 19, 2024Feb 12, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026