Equipment unit · VIN-decoded · NHTSA vPIC

2023 Western Star 49X Chassis

5KKMBWFG3PPUF7903 · Truck · INCOMPLETE VEHICLE
Carriers run under2
29 mo
Inspections3
all-time
OOS inspections2
of 3
First seenMar 25, 2024
TN
Last seenAug 26, 2026
TN
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
5KKMBWFG3PPUF7903
Make
Western Star
Model
49X Chassis
Model year
2023
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 30, 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
MBWFG

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
UF7903

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 · 51 decoded VINs at 100.0% prefix purity.

Model
49X Chassis

Prefix basis · 51 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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Mar 25, 2024 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026TNII · Walk-around2OOSPROFFITT TRANSPORT 20852918639H10/TN
Apr 9, 2026TNII · Walk-around2OOSJEFF PROFFITT 12993418639H10/TN
Mar 25, 2024TNIII · Driver-only0JEFF PROFFITT 12993418639H10/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PROFFITT TRANSPORT2085291Aug 26, 2026Aug 26, 20261TN
JEFF PROFFITT1299341Mar 25, 2024Apr 9, 20262TN
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.
8639H10TN1PROFFITT TRANSPORTAug 26, 2026Aug 26, 20261
8639H10TNJEFF PROFFITTMar 25, 2024Apr 9, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 30, 2026