---
id: lt180
kind: equipment
display_name: John Deere LT180 + 48C deck
current_guide: guides/lt180/lt180-service-guide-v3.html
current_guide_version: 3
guide_status: verified
last_session: 2026-04-25
latest_handoff: none
---

# John Deere LT180 + 48C deck

## Current state

PTO / spindle brake fix scoped against verified Deere documentation
(OMM152793, TM1975). Parts list verified. Full deck-off service plan
documented including spindle bearings, blade service, drive belt
replacement, idler check, rust treatment tiers, lubrication schedule,
and tire tubes. v3 supersedes v2 (corrected belt P/N from GX20305 →
M151649) and v1 (electric-clutch error — DO NOT USE v1).

Awaiting parts (Tier 1 mandatory: AM131445 brake kit) for execution.
Tier 2 deck-off opportunity items pending decision based on inspection
once deck is dropped.

## Open items

- Parts on order: AM131445 brake kit (Tier 1, mandatory for PTO fix)
- Pending physical inspection: spindle bearing wobble check (drives
  Tier 2 AM115721 buy decision)
- Pending physical inspection: drive belt condition (drives M151649
  buy decision; preventive replacement recommended at 22 yrs regardless)
- Pending physical inspection: idler pulley condition
- Pending decision: rust treatment tier (Free / ~$15 / ~$50)
- Tires: 4 tubes queued for same shop session

## Pointers

- Latest guide: `guides/lt180/latest.html`
- Versioned guide: `guides/lt180/lt180-service-guide-v3.html`
- Versioned guides: `guides/lt180/` (v1 and v2 not preserved as files;
  v3 errata block carries the correction history)
- Handoff blocks: `handoff-blocks/lt180-*.md` (none yet — v3 was
  rendered before the handoff-block convention was established)
- Diagnostic logs: `guides/lt180/diagnostic-logs/` (none yet —
  pre-DHL convention)
- Architecture: `architecture/pending/` (no open DRs touching LT180)

## Specs (verified, from v3)

- PIN: M0L180K502575
- Parts catalog code: PC9152
- Engine: Kawasaki FH500V-BS32
- Deck: 48C (3-spindle)
- PTO type: manual rod-actuated (NOT electric clutch)
- Hours at last inspection: ~1235