Equipment unit · VIN-decoded · NHTSA vPIC

2011 Western Star 4900

5KKSAEDR3BPAW1155 · Truck · INCOMPLETE VEHICLE
Carriers run under2
19 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 15, 2023
WA
Last seenMar 7, 2025
WA
Inspected under 2 different carriers in 19 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
5KKSAEDR3BPAW1155
Make
Western Star
Model
4900
Model year
2011
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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
5KK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SAEDR

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1981 or 2011

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

North American serial sequence
AW1155

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 · 3 decoded VINs at 100.0% prefix purity.

Model
4900

Prefix basis · 3 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
2011

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

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 · Aug 15, 2023 – Mar 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 7, 2025WAIII · Driver-only1SPRINGFIELD EARTHWORKS LLC 3963480TEMP/WA
Aug 31, 2023WAII · Walk-around0INTERSTATE CONCRETE AND ASPHALT COMPANY 369276RP06201/WA
Aug 15, 2023WAII · Walk-around1INTERSTATE CONCRETE AND ASPHALT COMPANY 36927688679RP/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPRINGFIELD EARTHWORKS LLC3963480Mar 7, 2025Mar 7, 20251WA
INTERSTATE CONCRETE AND ASPHALT COMPANY369276Aug 15, 2023Aug 31, 20232ID
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.
TEMPWASPRINGFIELD EARTHWORKS LLCMar 7, 2025Mar 7, 20251
RP06201WAINTERSTATE CONCRETE AND ASPHALT COMPANYAug 31, 2023Aug 31, 20231
88679RPWAINTERSTATE CONCRETE AND ASPHALT COMPANYAug 15, 2023Aug 15, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026