Equipment unit · VIN-decoded · NHTSA vPIC

2024 Western Star 57X Chassis

5KJJBZD14RLUZ1547 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 22, 2023
VT
Last seenMar 12, 2026
VT
Inspected under 2 different carriers in 31 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
5KJJBZD14RLUZ1547
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
Jun 28, 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
JBZD1

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
UZ1547

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 · 17 decoded VINs at 100.0% prefix purity.

Model
57X Chassis

Prefix basis · 17 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 · Aug 22, 2023 – Mar 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 12, 2026VTII · Walk-around3VERMONT ROADS & FIELDS TRANSPORT LLC 299526535E20/VT
Jul 17, 2025NYII · Walk-around0VERMONT ROADS & FIELDS LLC 145949835E20/VT
Nov 7, 2024VTII · Walk-around1VERMONT ROADS & FIELDS LLC 145949835E20/VT
Feb 6, 2024VTII · Walk-around0VERMONT ROADS & FIELDS LLC 145949835E20/VT
Jan 2, 2024VTII · Walk-around0VERMONT ROADS & FIELDS LLC 145949835E20/VT
Aug 22, 2023VTII · Walk-around0VERMONT ROADS & FIELDS LLC 145949835E20/VT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VERMONT ROADS & FIELDS TRANSPORT LLC2995265Mar 12, 2026Mar 12, 20261VT
VERMONT ROADS & FIELDS LLC1459498Aug 22, 2023Jul 17, 20255VT
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.
35E20VTVERMONT ROADS & FIELDS TRANSPORT LLCMar 12, 2026Mar 12, 20261
35E20VTVERMONT ROADS & FIELDS LLCAug 22, 2023Jul 17, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026