Equipment unit · VIN-decoded · NHTSA vPIC

2017 Western Star 4900

5KJJALD11HPHW1098 · Truck-Tractor · TRUCK
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 21, 2023
NC
Last seenJun 26, 2025
NC
Inspected under 2 different carriers in 24 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
5KJJALD11HPHW1098
Make
Western Star
Model
4900
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 22, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
HW1098

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.

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 21, 2023 – Jun 26, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 26, 2025NCIII · Driver-only5—UNITED TREE SERVICES LLC 3936748NOPLATE/NC
Jun 21, 2023NCII · Walk-around1OOSC P BUCKNER STEEL ERECTION INC 170632MN8980/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITED TREE SERVICES LLC3936748Jun 26, 2025Jun 26, 20251NC
C P BUCKNER STEEL ERECTION INC170632Jun 21, 2023Jun 21, 20231NC
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.
NOPLATENC—UNITED TREE SERVICES LLCJun 26, 2025 → Jun 26, 20251
MN8980NC—C P BUCKNER STEEL ERECTION INCJun 21, 2023 → Jun 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 22, 2026