MidWestTechService, Parts and Operator's Manuals, in stock and ready to ship!
Fast free USA shippingShips in 1 business daySave 10% on 2 manuals, 15% on 3+

Komatsu D20A, P, S, Q-6, D21A, P, S, Q-6 Crawler Dozer Service Manual

494 pages · Publication SEBM01040604 · D20A,P,S,Q-6, D21A,P,S,Q-6

$69.87
Fast free USA shippingShips in 1 business daySave 10% on 2 manuals, 15% on 3 or morePay by credit or debit card or with PayPal. No PayPal account needed.
Models
D20A, P, S, Q-6, D21A, P, S, Q-6
Serial coverage
60001 and up
Manual type
Service Manual
Pages
494
Publication
SEBM01040604
Condition
Brand new
Komatsu D20A,P,S,Q-6, D21A,P,S,Q-6 Crawler Dozer Service Manual, publication SEBM01040604

What's inside

From the manual's own table of contents: 17 topics. See sample pages (PDF, 522 KB)

  • TESTINGAND ADJUSTING
  • DISASSEMBLY AND ASSEMBLY
  • STRUCTURE ANDFUNCTION
  • TESTING AND ADJUSTING
  • DISASSEMBLY AND ASSEMBLY
  • MAINTENANCE STANDARD
  • STRUCTURE AND FUNCTION
  • DISASSEMBLY AND ASSEMBLY
  • MAINTENANCE STANDARD
  • STRUCTURE ANDFUNCTION
  • TESTING AND ADJUSTING
  • DISASSEMBLY AND ASSEMBLY
  • MAINTENANCE STANDARD
  • STRUCTURE AND FUNCTION
  • DISASSEMBLY AND ASSEMBLY
  • MAINTENANCE STANDARD
  • STRUCTURE AND FUNCTION

Inside this manual

Real pages from this service manual (494 pages). Open the sample pages (PDF, 522 KB)

Sample pages from the Komatsu D20A, P, S, Q-6, D21A, P, S, Q-6 Crawler Dozer Service Manual: Foldout diagram
  • Foldout diagram, page 73

This is a service manual

Here's how it compares to the other manual types.

This manual

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, 494 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).