Equipment unit · VIN-decoded · NHTSA vPIC

2009 Freightliner B2 Bus Chassis

4UZABRDJ89CAA6611 · Incomplete - School Bus Chassis · INCOMPLETE VEHICLE
Carriers run under1
23 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJan 4, 2024
MD
Last seenDec 11, 2025
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4UZABRDJ89CAA6611
Make
Freightliner
Model
B2 Bus Chassis
Model year
2009
Body class
Incomplete - School Bus Chassis
Vehicle type
INCOMPLETE VEHICLE
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
4UZ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
ABRDJ

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2009 or 2039

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

North American serial sequence
AA6611

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
FREIGHTLINER

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
B2 Bus Chassis

Prefix basis · 4 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
2009

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
B2 Bus Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - School Bus Chassis

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jan 4, 2024 – Dec 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 11, 2025MDI · Full0MIDDLEDORF BUS COMPANY 36279110867P/MD
Jun 2, 2025MDV · Vehicle-only0MIDDLEDORF BUS COMPANY 36279110867P/MD
Jun 2, 2025MDV · Vehicle-only0MIDDLEDORF BUS COMPANY 362791T2252904/MD
Dec 2, 2024MDV · Vehicle-only0MIDDLEDORF BUS COMPANY 36279110867P/MD
Jun 17, 2024MDI · Full0MIDDLEDORF BUS COMPANY 36279110867P/MD
Jan 4, 2024MDV · Vehicle-only0MIDDLEDORF BUS COMPANY 36279110867P/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MIDDLEDORF BUS COMPANY362791Jan 4, 2024Dec 11, 20256MD
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.
10867PMDMIDDLEDORF BUS COMPANYJan 4, 2024Dec 11, 20255
T2252904MDMIDDLEDORF BUS COMPANYJun 2, 2025Jun 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026