Equipment unit · VIN-decoded · NHTSA vPIC

2013 Western Star 4900

5KJNABD13DPBZ0834 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections7
all-time
OOS inspections1
of 7
First seenAug 28, 2023
MT
Last seenMar 8, 2026
ID
Inspected under 2 different carriers in 31 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
5KJNABD13DPBZ0834
Make
Western Star
Model
4900
Model year
2013
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
NABD1

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1983 or 2013

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

North American serial sequence
BZ0834

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 · 20 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 20 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
2013

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 · Aug 28, 2023 – Mar 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 8, 2026IDII · Walk-around7OOSG E GUINNANE TRUCKING 828636FFC777/MT
Jan 8, 2025MTIII · Driver-only0DIAMOND C P LLC 2592215PA20568/MT
Sep 12, 2024MTII · Walk-around2DIAMOND C P LLC 2592215PA20568/MT
Jun 28, 2024MTIII · Driver-only0DIAMOND C P LLC 2592215PA20568/MT
Sep 23, 2023MTIII · Driver-only0DIAMOND C P LLC 2592215PA20568/MT
Sep 22, 2023NDII · Walk-around0DIAMOND C P LLC 2592215PA20568/MT
Aug 28, 2023MTI · Full0DIAMOND C P LLC 2592215PA20568/MT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
G E GUINNANE TRUCKING828636Mar 8, 2026Mar 8, 20261MT
DIAMOND C P LLC2592215Aug 28, 2023Jan 8, 20256MT
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.
FFC777MTG E GUINNANE TRUCKINGMar 8, 2026Mar 8, 20261
PA20568MTDIAMOND C P LLCAug 28, 2023Jan 8, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026