Caterpillar C15, C16, C18 Truck Engine Service & Troubleshooting Manual


Covers: Cat C15, C16, C18 on-highway diesel engines with prefixes listed below

  • W1A
  • CJP
  • MDP
  • MEP
  • 6NZ
  • 7CZ
  • 9NZ

Pages: 2,443
: PDF files (zipped)
File size: 80mb
Compatibility: Windows/Mac computers
Notes: Instant digital download only – no printed copy or CD-ROM media.

This downloadable 12-volume PDF service, maintenance and troubleshooting manual set contains specifications, service and overhaul procedures, operating, testing/adjusting and troubleshooting information for Caterpillar C15, C16 and C18 truck diesel engines with a W1A, CJP, MDP, MEP, 6NZ, 7CZ or 9NZ prefix. Over 2,400 pages of detailed workshop information for the diesel engine are included in this download. The service manual set follows the manufacturer’s standards for troubleshooting, service and repair and is essential for diesel mechanics working on the engine. All included manuals are searchable and 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 C15, C16, C18 Engine Specifications Manual
  • Operation and Maintenance Manual
  • Systems Operation Manual
  • Disassembly and Assembly Manual
  • Testing and Adjusting Manual
  • Troubleshooting Manual (With or Without Codes)
  • Wiring Diagrams (Digital Foldout Size)
  • Bendix Air Compressor Service Manual
  • Electronic PTO Installation and Application Guide
  • Shop Supplies and Tools Catalog
  • Cat Bolt Torque Specifications Manual

Cat Engine Service Manual PDF Download

How does this work?

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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