It is workshop repair manual for Case hydraulic excavators. Models included:

WX145
WX165
WX185

Number of pages: 746 (FULL digital copy)
language: English

Main sections:
Safety instructions
Technical data and special tools
Machine structure
Electrical system (with full wiring diagrams)
Electronics
Hydraulics (with full hydraulic diagrams)
Troubleshooting and repairs
Repair instructions