Equipment unit · VIN-decoded · NHTSA vPIC

4UZABRDUXACAN3433

Not yet decoded
Carriers run under1
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenNov 14, 2023
PA
Last seenJan 20, 2026
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
ABRDU

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1980 or 2010

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

North American serial sequence
AN3433

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 · 92 decoded VINs at 100.0% prefix purity.

Model
B2 Bus Chassis

Prefix basis · 92 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 · Nov 14, 2023 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026PAII · Walk-around0CHAMBERS SCHOOL BUS INC 745113SC39996/PA
May 22, 2025PAII · Walk-around0CHAMBERS SCHOOL BUS INC 745113SC39996/PA
Nov 14, 2023PAII · Walk-around0CHAMBERS SCHOOL BUS INC 745113SC39996/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHAMBERS SCHOOL BUS INC745113Nov 14, 2023Jan 20, 20263PA
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.
SC39996PACHAMBERS SCHOOL BUS INCNov 14, 2023Jan 20, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC