Equipment unit · VIN-decoded · NHTSA vPIC

2016 Western Star 4900

5KKXAFAVXGPGX3891 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under3
35 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJul 20, 2023
AR
Last seenJun 30, 2026
TX
Inspected under 3 different carriers in 35 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
5KKXAFAVXGPGX3891
Make
Western Star
Model
4900
Model year
2016
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jul 12, 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
5KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XAFAV

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1986 or 2016

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

North American serial sequence
GX3891

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 · 11 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 11 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
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
4900

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)

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 · Jul 20, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026TXII · Walk-around3BIG JS ROUSTABOUT SERVICES LLC 45523371N94835/TX
Jun 30, 2026TXII · Walk-around3BIG JS ROUSTABOUT SERVICES LLC 45523371N94835/TX
Jan 30, 2026TXII · Walk-around0JIS MEASUREMENT & OPERATING INC 24788681N94835/TX
Dec 27, 2025TXII · Walk-around2OOSJIS MEASUREMENT & OPERATING INC 24788681N94835/TX
Apr 18, 2024TXII · Walk-around1VALLEY VIEW FARM INC 605073F290481/AR
Jul 20, 2023ARIII · Driver-only2VALLEY VIEW FARM INC 605073F290481/AR
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG JS ROUSTABOUT SERVICES LLC4552337Jun 30, 2026Jun 30, 20262TX
JIS MEASUREMENT & OPERATING INC2478868Dec 27, 2025Jan 30, 20262TX
VALLEY VIEW FARM INC605073Jul 20, 2023Apr 18, 20242AR
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.
1N94835TX1BIG JS ROUSTABOUT SERVICES LLCJun 30, 2026Jun 30, 20262
1N94835TXJIS MEASUREMENT & OPERATING INCDec 27, 2025Jan 30, 20262
F290481ARVALLEY VIEW FARM INCJul 20, 2023Apr 18, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026