Equipment unit · VIN-decoded · NHTSA vPIC

4UZABRDT4JCJF1843

Not yet decoded
Carriers run under1
32 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 11, 2023
US
Last seenMar 11, 2026
VT
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
ABRDT

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1988 or 2018

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

North American serial sequence
JF1843

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 · 330 decoded VINs at 100.0% prefix purity.

Model
B2 Bus Chassis

Prefix basis · 330 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 · Jul 11, 2023 – Mar 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2026VTV · Vehicle-only0BUTLER'S BUS SERVICE INC 1633191AAT312/VT
Jul 11, 2023USV · Vehicle-only0BUTLER'S BUS SERVICE INC 1633191AAT312/NH
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BUTLER'S BUS SERVICE INC1633191Jul 11, 2023Mar 11, 20262VT
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.
AAT312VTBUTLER'S BUS SERVICE INCMar 11, 2026Mar 11, 20261
AAT312NHBUTLER'S BUS SERVICE INCJul 11, 2023Jul 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC