Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Star 57X Chassis

5KJJBZDR8PLUK3237 · Truck-Tractor · TRUCK
Carriers run under1
26 mo
Inspections12
all-time
OOS inspections2
of 12
First seenOct 5, 2023
CA
Last seenDec 3, 2025
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJBZDR8PLUK3237
Make
Western Star
Model
57X 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
JBZDR

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
UK3237

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
2023

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 · Oct 5, 2023 – Dec 3, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 3, 2025WAIII · Driver-only0ROCKET TRANSPORT INC 295501387725P/BC
Nov 17, 2025WAII · Walk-around0ROCKET TRANSPORT INC 295501387725P/BC
Aug 21, 2025CAII · Walk-around0ROCKET TRANSPORT INC 295501387725P/BC
Aug 11, 2025CAII · Walk-around1OOSROCKET TRANSPORT INC 295501387725P/BC
Aug 7, 2025CAIII · Driver-only1ROCKET TRANSPORT INC 295501387725P/BC
Apr 24, 2025CAI · Full0ROCKET TRANSPORT INC 295501387725P/BC
Jan 17, 2025CAIII · Driver-only0ROCKET TRANSPORT INC 295501387725P/BC
Dec 19, 2024CAII · Walk-around0ROCKET TRANSPORT INC 295501377224P/BC
Sep 11, 2024MTII · Walk-around0ROCKET TRANSPORT INC 295501377224P/BC
Dec 10, 2023CAIII · Driver-only0ROCKET TRANSPORT INC 295501377224P/BC
Oct 6, 2023CAIII · Driver-only0ROCKET TRANSPORT INC 295501377224P/BC
Oct 5, 2023CAI · Full1OOSROCKET TRANSPORT INC 295501377224P/BC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKET TRANSPORT INC2955013Oct 5, 2023Dec 3, 202512BC
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.
87725PBCROCKET TRANSPORT INCJan 17, 2025Dec 3, 20257
77224PBCROCKET TRANSPORT INCOct 5, 2023Dec 19, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026