Equipment unit · VIN-decoded · NHTSA vPIC

2024 Western Star 57X Chassis

5KJJBZDR7RLUX6661 · Truck-Tractor · TRUCK
Carriers run under1
16 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMay 25, 2024
CA
Last seenSep 23, 2025
KY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJBZDR7RLUX6661
Make
Western Star
Model
57X Chassis
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 9, 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
JBZDR

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1994 or 2024

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

North American serial sequence
UX6661

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 · 313 decoded VINs at 100.0% prefix purity.

Model
57X Chassis

Prefix basis · 313 decoded VINs at 100.0% 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
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
57X 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 · May 25, 2024 – Sep 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 23, 2025KYIII · Driver-only0NATT BROTHERS TRUCKING LTD 2547495BC5894/BC
May 22, 2025CAI · Full2NATT BROTHERS TRUCKING LTD 254749584901P/BC
May 25, 2024CAIII · Driver-only0NATT BROTHERS TRUCKING LTD 254749581379P/BC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NATT BROTHERS TRUCKING LTD2547495May 25, 2024Sep 23, 20253BC
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.
BC5894BCNATT BROTHERS TRUCKING LTDSep 23, 2025Sep 23, 20251
84901PBCNATT BROTHERS TRUCKING LTDMay 22, 2025May 22, 20251
81379PBCNATT BROTHERS TRUCKING LTDMay 25, 2024May 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026