Caterpillar 3066 Engine Service Manual


Covers: Cat 3066 Engine for 320/320B Excavators
Pages: 1,327
: PDF files (zipped)
File size: 43mb
Compatibility: Windows/Mac computers
Notes: Instant digital download only – no printed copy or CD-ROM media.

This downloadable 11-volume PDF service manual set contains specifications, service and overhaul procedures, operating, testing/adjusting and troubleshooting information for Caterpillar 3066 diesel engines used in 320/320B excavators. 1,300 pages of detailed shop information for the engine are included in this download. The service manual set follows the manufacturer’s standards for troubleshooting, service and overhaul and is essential for diesel mechanics working on the engine. All of the included PDF manuals are searchable, printable and can be easily navigated. View the manuals on your computer or print them off for the shop without worrying about destroying an expensive book, saving your business time and money.


  • Cat 3066 Engine Specifications Manual
  • Systems Operation Manual
  • Testing and Adjusting Manual
  • Disassembly and Assembly Manual
  • Zexel Fuel System Service Manual
  • Engine and Pump Control Manual for Cat Excavators
  • 3066 Engine Supplement for 320/320L Excavators
  • 3066 Engine Supplement for 320B Excavators
  • Shop Supplies and Tools Catalog
  • Cat Bolt Torque Specifications Manual

Cat Engine Service Manual PDF Download

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It’s simple – after purchasing this manual through our secure checkout, a download link will be sent to the email address you specify at checkout. You have up to 90 days to retrieve and save the file. Once saved, the manual is yours for good.

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SKU: CAT-3066-SM Categories: ,