Equipment unit · VIN-decoded · NHTSA vPIC

4DRBUC8N1HB412129

Not yet decoded
Carriers run under1
31 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 16, 2023
PA
Last seenMay 22, 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
4DR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BUC8N

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1987 or 2017

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

North American serial sequence
412129

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 · 824 decoded VINs at 100.0% prefix purity.

Model
PB105

Prefix basis · 824 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 · Oct 16, 2023 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026PAV · Vehicle-only2E W COLBORN INC 711822SC93956/PA
Oct 16, 2023PAV · Vehicle-only0E W COLBORN INC 711822SC93956/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
E W COLBORN INC711822Oct 16, 2023May 22, 20262PA
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.
SC93956PAE W COLBORN INCOct 16, 2023May 22, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC