Equipment unit · VIN-decoded · NHTSA vPIC

2025 Western Star 49X Chassis

5KJJBWFG4SPVK4593 · Truck-Tractor · TRUCK
Carriers run under2
20 mo
Inspections20
all-time
OOS inspections1
of 20
First seenDec 9, 2024
NM
Last seenAug 4, 2026
NM
Inspected under 2 different carriers in 20 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
5KJJBWFG4SPVK4593
Make
Western Star
Model
49X Chassis
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
JBWFG

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
VK4593

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 · 119 decoded VINs at 100.0% prefix purity.

Model
49X Chassis

Prefix basis · 119 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
2025

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 · Dec 9, 2024 – Aug 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 4, 2026NMII · Walk-around0GCC SUN CITY MATERIALS LLC 293413596LA7L/MX
Jul 14, 2026USI · Full0GCC SUN CITY MATERIALS LLC 293413596LA7L/MX
Jun 23, 2026NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 293413596LA7L/MX
May 20, 2026NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
May 7, 2026NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Apr 29, 2026NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Apr 21, 2026USIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Apr 13, 2026TXI · Full1GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Feb 16, 2026USI · Full1OOSGCC SUN CITY MATERIALS LLC 2934135R728199/TX
Feb 2, 2026NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Nov 18, 2025NMII · Walk-around0GCC SUN CITY MATERIALS LLC 293413596LA7L/MX
Oct 7, 2025NMII · Walk-around1GCC SUN CITY MATERIALS LLC 293413596LA7L/CH
Oct 3, 2025USI · Full0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Oct 2, 2025NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Sep 5, 2025NMIII · Driver-only0GCC TRANSPORTE SA DE CV 65015596LA7L/MX
Aug 27, 2025NMIII · Driver-only0GCC TRANSPORTE SA DE CV 65015596LA7L/MX
Aug 4, 2025NMIII · Driver-only0GCC SUN CITY MATERIALS LLC 2934135R728199/TX
Jul 28, 2025USI · Full2GCC SUN CITY MATERIALS LLC 293413596LA7L/MX
Jan 28, 2025NMII · Walk-around0GCC SUN CITY MATERIALS LLC 293413596LA7L/CH
Dec 9, 2024NMIII · Driver-only0GCC TRANSPORTE SA DE CV 65015596LA7L/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GCC SUN CITY MATERIALS LLC2934135Jan 28, 2025Aug 4, 202617TX
GCC TRANSPORTE SA DE CV650155Dec 9, 2024Sep 5, 20253CI
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.
96LA7LMX1GCC SUN CITY MATERIALS LLCJul 28, 2025Aug 4, 20265
R728199TXGCC SUN CITY MATERIALS LLCAug 4, 2025May 20, 202610
96LA7LCHGCC SUN CITY MATERIALS LLCJan 28, 2025Oct 7, 20252
96LA7LMXGCC TRANSPORTE SA DE CVDec 9, 2024Sep 5, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026