Equipment unit · VIN-decoded · NHTSA vPIC

1XKWD49X4SR121090

Not yet decoded
W900
Carriers run under1
5 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 22, 2024
AL
Last seenApr 6, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
WD49X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
121090

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 · 5,845 decoded VINs at 94.7% prefix purity.

Model
W9 Series

Prefix basis · 5,845 decoded VINs at 94.7% prefix purity.

Model line
W900

Sourced label · prefix basis 5,845 decoded VINs at 94.7% 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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Nov 22, 2024 – Apr 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2025ALIII · Driver-only1CENERGY FUELS LLC 368341523A1X72/AL
Nov 22, 2024ALIII · Driver-only1CENERGY FUELS LLC 3683415
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENERGY FUELS LLC3683415Nov 22, 2024Apr 6, 20252AL
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.
23A1X72ALCENERGY FUELS LLCApr 6, 2025Apr 6, 20251
ALCENERGY FUELS LLCNov 22, 2024Nov 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC