Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Star 49X Chassis

5KJJBWDR9PLNN7642 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJan 29, 2024
WA
Last seenJun 30, 2026
TX
Inspected under 2 different carriers in 29 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
5KJJBWDR9PLNN7642
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
Jul 17, 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
JBWDR

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

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
NN7642

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 · 617 decoded VINs at 100.0% prefix purity.

Model
49X Chassis

Prefix basis · 617 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
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 · Jan 29, 2024 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026TXII · Walk-around4ROAD KING EXPRESS INC 2578534P1238267/IL
Dec 11, 2025ARIII · Driver-only0ROAD KING EXPRESS INC 2578534P1238267/IL
Dec 22, 2024MOII · Walk-around6OOSROAD KING EXPRESS INC 2578534P1238267/IL
Jan 29, 2024WAIII · Driver-only1CASPER LOGISTICS INC 3556224AH26076/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROAD KING EXPRESS INC2578534Dec 22, 2024Jun 30, 20263IL
CASPER LOGISTICS INC3556224Jan 29, 2024Jan 29, 20241PA
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.
P1238267IL1ROAD KING EXPRESS INCDec 22, 2024Jun 30, 20263
AH26076PA1CASPER LOGISTICS INCJan 29, 2024Jan 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 17, 2026