Komatsu D20A, D20P, D20S, D21A, D21P, D21S, D21Q-6 Workshop Manual PDF (S/N D21Q-6: 62001-UP)

Download the official Komatsu workshop manual for the D20A, D20P, D20S, D21A, D21P, D21S, D21Q-6 bulldozer in convenient PDF format.
This professional service guide includes everything you need to repair, rebuild, and maintain your dozer with confidence — perfect for mechanics, technicians, and equipment owners.

Manual Includes:
✔️ Engine & Cooling System – Specs, EGR system, turbo, oil pressure
✔️ Power Train – HST pump & motor, brake controls, final drive
✔️ Hydraulics – Blade/ripper controls, cylinders, EPC valves
✔️ Electrical – Full wiring diagrams, KOMTRAX diagnostics, sensors
✔️ Disassembly & Assembly – Step-by-step rebuild procedures
✔️ Maintenance Standards – Wear limits, torque specs, inspection values

Compatible with:
✔️ Komatsu D20A, D20P, D20S, D21A, D21P, D21S, D21Q-6
Serial Number Range: D21Q-6: 62001-UP

🔧 Instant download. No shipping. Lifetime access.