Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Star 49X Chassis

5KJJBWD13PLUK5955 · Truck-Tractor · TRUCK
Carriers run under1
36 mo
Inspections14
all-time
OOS inspections0
of 14
First seenJun 19, 2023
KY
Last seenJun 25, 2026
KY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJBWD13PLUK5955
Make
Western Star
Model
49X Chassis
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
5KJ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JBWD1

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1993 or 2023

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

North American serial sequence
UK5955

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
WESTERN STAR

Prefix basis · 377 decoded VINs at 97.9% prefix purity.

Model
49X Chassis

Prefix basis · 377 decoded VINs at 97.9% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
49X Chassis

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 19, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026KYI · Full0MOUNTAIN FUELS INC 1689443A94418/KY
Nov 6, 2025KYI · Full0MOUNTAIN FUELS INC 1689443A94418/KY
Sep 19, 2025KYI · Full0MOUNTAIN FUELS INC 1689443A94418/KY
Sep 5, 2025VAII · Walk-around1MOUNTAIN FUELS INC 1689443A94418/KY
Jul 24, 2025VAII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Mar 24, 2025TNIII · Driver-only0MOUNTAIN FUELS INC 1689443A94418/KY
Nov 14, 2024KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Oct 24, 2024KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Aug 15, 2024VAII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Aug 13, 2024KYII · Walk-around0MOUNTAIN FUELS INC 1689443TEMP/KY
Sep 9, 2023KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Aug 14, 2023KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Jul 8, 2023KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
Jun 19, 2023KYII · Walk-around0MOUNTAIN FUELS INC 1689443A94418/KY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MOUNTAIN FUELS INC1689443Jun 19, 2023Jun 25, 202614KY
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.
A94418KY1MOUNTAIN FUELS INCJun 19, 2023Jun 25, 202613
TEMPKYMOUNTAIN FUELS INCAug 13, 2024Aug 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026