Equipment unit · VIN-decoded · NHTSA vPIC

2019 Western Star 4900

5KJJAEDR4KPKU9325 · Truck-Tractor · TRUCK
Carriers run under1
13 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 28, 2025
LA
Last seenFeb 2, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5KJJAEDR4KPKU9325
Make
Western Star
Model
4900
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 9, 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
JAEDR

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1989 or 2019

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

North American serial sequence
KU9325

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 · 147 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 147 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.

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 28, 2025 – Feb 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 2, 2026LAIII · Driver-only0—DYNAMIC ENVIRONMENTAL SERVICES LLC 1237781P257947/LA
Mar 31, 2025LAII · Walk-around1—DYNAMIC ENVIRONMENTAL SERVICES LLC 1237781P257947/LA
Jan 28, 2025LAII · Walk-around1—DYNAMIC ENVIRONMENTAL SERVICES LLC 1237781P257947/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DYNAMIC ENVIRONMENTAL SERVICES LLC1237781Jan 28, 2025Feb 2, 20263LA
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.
P257947LA—DYNAMIC ENVIRONMENTAL SERVICES LLCJan 28, 2025 → Feb 2, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026