Equipment unit · VIN-decoded · NHTSA vPIC

4DRBUC8N0KB685540

Not yet decoded
Carriers run under2
12 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 8, 2025
MI
Last seenOct 20, 2026
MI
Inspected under 2 different carriers in 12 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1989 or 2019

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

North American serial sequence
685540

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 8, 2025 – Oct 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 20, 2026MIV · Vehicle-only0—DURHAM SCHOOL SERVICES LP 350651C12871M/MI
Oct 8, 2025MIV · Vehicle-only0—TRINITY INC 822553C12871M/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DURHAM SCHOOL SERVICES LP350651Oct 20, 2026Oct 20, 20261IL
TRINITY INC822553Oct 8, 2025Oct 8, 20251MI
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.
C12871MMI1DURHAM SCHOOL SERVICES LPOct 20, 2026 → Oct 20, 20261
C12871MMI—TRINITY INCOct 8, 2025 → Oct 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC