Equipment unit · VIN-decoded · NHTSA vPIC

2020 Western Star 4700

5KKMAVDV4LLLX3223 · Truck · INCOMPLETE VEHICLE
Carriers run under1
31 mo
Inspections11
all-time
OOS inspections0
of 11
First seenJun 29, 2023
NC
Last seenJan 19, 2026
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KKMAVDV4LLLX3223
Make
Western Star
Model
4700
Model year
2020
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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
5KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
MAVDV

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1990 or 2020

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

North American serial sequence
LX3223

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 · 419 decoded VINs at 100.0% prefix purity.

Model
4700

Prefix basis · 419 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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
WESTERN STAR

Observed directly for this VIN via NHTSA vPIC.

Observed model
4700

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 · Jun 29, 2023 – Jan 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 19, 2026NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Dec 1, 2025NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Nov 21, 2025NCII · Walk-around0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Aug 27, 2025NCII · Walk-around0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Aug 6, 2025NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
May 29, 2025NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Mar 20, 2025NCIII · Driver-only1THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Sep 19, 2024NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Mar 12, 2024NCII · Walk-around0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Oct 10, 2023NCI · Full0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
Jun 29, 2023NCIII · Driver-only0THOMAS SIMPSON CONSTRUCTION COMPANY INC 2465870YA154420/NC
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THOMAS SIMPSON CONSTRUCTION COMPANY INC2465870Jun 29, 2023Jan 19, 202611NC
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.
YA154420NCTHOMAS SIMPSON CONSTRUCTION COMPANY INCJun 29, 2023Jan 19, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026