Equipment unit · VIN-decoded · NHTSA vPIC

4DRBUC8M4MB848684

Not yet decoded
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections0
of 2
First seenMay 21, 2024
MN
Last seenNov 14, 2024
PA
Inspected under 2 different carriers in 6 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
BUC8M

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1991 or 2021

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

North American serial sequence
848684

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 · 16 decoded VINs at 100.0% prefix purity.

Model
PB105

Prefix basis · 16 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 · May 21, 2024 – Nov 14, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 14, 2024PAII · Walk-around0HECK-MEYERS LLC 1873359SC89035/PA
May 21, 2024MNI · Full7KOCH SCHOOL BUS SERVICE INC 26881SB90275/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HECK-MEYERS LLC1873359Nov 14, 2024Nov 14, 20241PA
KOCH SCHOOL BUS SERVICE INC26881May 21, 2024May 21, 20241MN
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.
SC89035PAHECK-MEYERS LLCNov 14, 2024Nov 14, 20241
SB90275MNKOCH SCHOOL BUS SERVICE INCMay 21, 2024May 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC