Convenient. Current. Comprehensive.

SIS Web is the primary resource for accurate and up-to-date parts and service information.  The information shared on SIS is the equivalent of over 25,000 books, with over 2-million graphics, 1.5-million part numbers, and 44,000 parts and service documents. SIS Web makes this information easy to access, 24-hours a day, 365-days a year.

SIS gives you quick and easy access to the following:

  • Service Repair Information (Systems Operation, Testing and Adjusting, Troubleshooting Specifications, Disassembly and Assembly)
  • Applied Failure Analysis
  • Bench Test Procedures
  • Contamination Control Guidelines
  • Disassembly and Assembly
  • Engine News
  • General Service Information
  • Information Release Memo
  • Operation and Maintenance Manual
  • Parts Identification
  • Reuse and Salvage Guidelines
  • Schematic
  • Service Letter
  • Special Instruction
  • Specifications
  • Systems Operation
  • Technical Information Bulletin
  • Testing and Adjusting
  • Tool Operation Manual
  • Torque Specifications
  • Troubleshooting
  • Truck Engine News

If you would like to purchase Caterpillar SIS*, please call us at 844-262-6835 or email us at

*Caterpillar SIS license requires annual renewal. We cannot sell or license Caterpillar SIS outside our designated service territory of Delaware, District of Columbia, Maryland, Virginia and southern West Virginia.