Equipment unit · VIN-decoded · NHTSA vPIC

2020 Ic Bus PB305

4DRBWTAN8LB223524 · Bus - School Bus · BUS
Carriers run under1
37 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJun 22, 2023
CA
Last seenJul 14, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4DRBWTAN8LB223524
Make
Ic Bus
Model
PB305
Model year
2020
Body class
Bus - School Bus
Vehicle type
BUS
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jun 28, 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
4DR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BWTAN

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1990 or 2020

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

North American serial sequence
223524

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
IC BUS

Prefix basis · 15 decoded VINs at 100.0% prefix purity.

Model
PB305

Prefix basis · 15 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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
IC BUS

Observed directly for this VIN via NHTSA vPIC.

Observed model
PB305

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Bus - School Bus

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
BUS

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)

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 22, 2023 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Dec 23, 2025CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Oct 22, 2025CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Aug 27, 2024CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Mar 27, 2024CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Dec 18, 2023CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
Jun 22, 2023CAV · Vehicle-only0DURHAM SCHOOL SERVICES LP 35065151643U2/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DURHAM SCHOOL SERVICES LP350651Jun 22, 2023Jul 14, 20267IL
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.
51643U2CA1DURHAM SCHOOL SERVICES LPJun 22, 2023Jul 14, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026