Equipment unit · VIN-decoded · NHTSA vPIC

2020 Motor Coach Industries D4505

1M86DMNA0LP015814 · Bus · BUS
Carriers run under1
15 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 14, 2023
MA
Last seenMar 11, 2025
MA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M86DMNA0LP015814
Make
Motor Coach Industries
Model
D4505
Model year
2020
Body class
Bus
Vehicle type
BUS
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 6, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1M8

Deterministic · VIN positions 1–3.

Vehicle descriptor section
6DMNA

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1990 or 2020

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

North American serial sequence
015814

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
MOTOR COACH INDUSTRIES

Prefix basis · 23 decoded VINs at 100.0% prefix purity.

Model
D4505

Prefix basis · 23 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
MOTOR COACH INDUSTRIES

Observed directly for this VIN via NHTSA vPIC.

Observed model
D4505

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Bus

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
BUS

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

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 · Dec 14, 2023 – Mar 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2025MAII · Walk-around0PLYMOUTH AND BROCKTON STREET RAILWAY CO 528541AA89F/MA
Nov 24, 2024MAIII · Driver-only0PLYMOUTH AND BROCKTON STREET RAILWAY CO 528541AA89F/MA
Feb 1, 2024MAII · Walk-around1PLYMOUTH AND BROCKTON STREET RAILWAY CO 528541AA89F/MA
Dec 14, 2023MAV · Vehicle-only0PLYMOUTH AND BROCKTON STREET RAILWAY CO 52854APN1AA89F/MA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PLYMOUTH AND BROCKTON STREET RAILWAY CO52854Dec 14, 2023Mar 11, 20254MA
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.
1AA89FMAPLYMOUTH AND BROCKTON STREET RAILWAY COFeb 1, 2024Mar 11, 20253
APN1AA89FMAPLYMOUTH AND BROCKTON STREET RAILWAY CODec 14, 2023Dec 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026