Komatsu PC300LC-5LC-SK HD-5, PC300LC-S MIGHTY, PC400LC HD-5, PC400LC-5 MIGHTY Hydraulic Excavator Service Manual
749 pages · Publication CEBM207077
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- Models
- PC300LC-5LC-SK HD-5, PC300LC-S MIGHTY, PC400LC HD-5, PC400LC-5 MIGHTY
- Serial coverage
- Various
- Manual type
- Service Manual
- Pages
- 749
- Publication
- CEBM207077
- Condition
- Brand new

What's inside
From the manual's own table of contents: 28 sections, 52 entries. See sample pages (PDF, 549 KB)
l Swing circle assembly 4307 topics
- Arm assembly 981
- Arm cylinder assembly 425
- Bucket cylinder assembly 263
- Link assembly I 320
- Swing circle assembly 430
- Idler 166
- Link assembly 320
Show all 28 sections
Center swivel joint4 topics
- Swing circle assembly
- Idler
- Boom assembly I 2,357
- Arm assembly
Arm cylinder assembly13 topics
- Bucket cylinder assembly
- Link assembly
- l Damper 20
- l Hydraulic pump 280
- Radiator and oil cooler assembly I 180
- Fuel tank (without fuel)
- Swing machinery 620
- Control valve assembly 240
- Swing motor assembly 130
- l Swing circle assembly 585
- Arm cylinder assembly 580
- Bucket cylinder assembly 345
- Link assembly 397
Inside this manual
Real pages from this service manual (749 pages). Open the sample pages (PDF, 549 KB)
- Troubleshooting, page 329: METHOD
- Diagram, page 384: Defective
- Specifications, page 725: (2O;O + 2.0 kgm)
- Foldout diagram, page 432
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC400LC-5 MIGHTY are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 749 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).