Equipment unit · VIN-decoded · NHTSA vPIC

2016 Western Star 4900

5KJJALD13GLGU3155 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJun 19, 2023
MI
Last seenNov 18, 2025
MI
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
5KJJALD13GLGU3155
Make
Western Star
Model
4900
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
JALD1

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
GU3155

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 · 68 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 68 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
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 · Jun 19, 2023 – Nov 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 18, 2025MIIII · Driver-only24 GENERATION LOGGING INC 2889973BD16973/MI
Jun 18, 2025MII · Full29OOS4 GENERATION LOGGING INC 2889973BD16973/MI
Oct 27, 2023MIII · Walk-around2OOSSTONE TRANSPORT LIMITED PARTNERSHIP 300960RB73581/MI
Aug 24, 2023MII · Full7OOSSTONE TRANSPORT LIMITED PARTNERSHIP 300960RB73581/MI
Jul 18, 2023MIII · Walk-around1STONE TRANSPORT LIMITED PARTNERSHIP 300960RB73581/MI
Jun 27, 2023MIIII · Driver-only1STONE TRANSPORT LIMITED PARTNERSHIP 300960RB73581/MI
Jun 19, 2023MIIII · Driver-only1STONE TRANSPORT LIMITED PARTNERSHIP 300960RB73581/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
4 GENERATION LOGGING INC2889973Jun 18, 2025Nov 18, 20252MI
STONE TRANSPORT LIMITED PARTNERSHIP300960Jun 19, 2023Oct 27, 20235MI
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.
BD16973MI4 GENERATION LOGGING INCJun 18, 2025Nov 18, 20252
RB73581MISTONE TRANSPORT LIMITED PARTNERSHIPJun 19, 2023Oct 27, 20235
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026