Komatsu Large Excavator Workshop Manuals (PC300–PC490) | PDF Downloads

Komatsu Large Excavator Workshop Manuals — Instant PDF Downloads

The Komatsu PC300 to PC490 excavators are some of the most popular heavy-duty machines used in civil construction, quarrying, infrastructure, and bulk earthworks.
At KManuals, we provide full factory workshop manuals in PDF format to ensure these large excavators stay properly maintained, serviced, and working efficiently.

✅ Manuals include:

  • Full engine servicing & rebuild specifications

  • Hydraulic system troubleshooting & repair

  • Swing motor, final drive & travel system service

  • Transmission, powertrain & cooling system maintenance

  • Electrical wiring schematics & fault code diagnostics

  • Boom, arm, bucket & undercarriage repair procedures

  • Complete disassembly, assembly & adjustment procedures

  • OEM torque specs & serial number coverage

✅ Covered Komatsu Large Excavator Models:

  • PC300-6 / PC300-7 / PC300-8 / PC300-10

  • PC350-6 / PC350-7 / PC350-8 / PC350-10

  • PC360-6 / PC360-7 / PC360-8 / PC360-10 / PC360LC-11

  • PC400-6 / PC400-7 / PC400-8

  • PC450-6 / PC450-7 / PC450-8

  • PC490-10 / PC490-11

These manuals contain full factory service procedures used by Komatsu dealer service departments.

🔧 Why Choose KManuals?

  • 🔒 Instant Digital Download — No Waiting

  • 🔧 Lifetime Access

  • 🔎 Searchable PDF Format

  • 📱 Access from any device — phone, tablet, or computer

  • 💰 Affordable pricing — full workshop manuals at your fingertips

👉 Browse Komatsu Large Excavator Manuals Now