It is  factory Technical Manual for John Deere / TimberJack Feller Bunchers Models 850 and 950.

This manual will assist you in diagnosing, and repairing for your forester or feller buncher.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   850 (SN: 997440-997470; 10BA1002-1271)
   950 (SN: 997440-997470; 10BA1002-1271)

Table of Contents:
   Introduction
   Specifications
   Function Speeds
   Travel Speeds
   Torque Values
      Steel Fasteners
      Hydraulic Fittings
   Hydraulic Fluids
      Recommended Hydraulic System Fluids
   Application of Adhesives
      Through Hole (Bolts and Nuts)
      Blind Holes (Cap Screw, etc)
      Pre–Assembled Fasteners
      Hydraulic Fittings
   Tool List
      Service Shop
      Service Truck