Case 850B Dozer Service Manual

Original price was: $319.96.Current price is: $68.60.

  • Covers Case 850B Crawler Dozer & Loader
  • P/N 9-66863
  • 1,079 pages
  • Downloadable PDF format
  • Searchable, printable
  • 326mb file size
  • Works with Windows/Mac/Tablet/Mobile

The Case 850B service manual includes over 1,000 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The service manual was digitally reproduced from the original dealer manual into a clear, searchable PDF format and is ideal for mechanics repairing or overhauling the Case 850B crawler dozer. In addition to all machine systems, engine and fuel repair information is included. This PDF manual can be downloaded instantly to your computer, tablet or smartphone.

Latest edition.



  • General Engine Specifications
  • Decals and Repainting
  • Detailed Engine Specifications
  • Maintenance and Lubrication
  • Torque Charts
  • Noise Control


  • Engine Diagnosis
  • Engine Tune-Up
  • Cylinder Head, Valve Train, and Camshaft
  • Cylinder Block, Sleeves, Pistons, and Rods
  • Crankshaft, Main Bearings, Flywheel, and Oil Seals
  • Lubrication System
  • Stall Tests, Engine Removal and Installation, and Radiator
  • Air Cleaner
  • Ether Injection
  • Cooling System
  • Turbocharger Removal and Installation
  • Turbocharger Failure Analysis


  • Fuel System and Filters
  • Robert Bosch Fuel Injection Pumps
  • Roosa Master Fuel Injectors
  • Fuel Lines and Fuel Tank


  • Electrical System Specifications and Troubleshooting
  • Wiring Diagrams
  • Indicators and Gauges
  • Batteries
  • Starter and Starter Solenoid
  • Alternator
  • Electrical Accessories


  • Track and Track Frame
  • Idler, Track Adjuster and Recoil Housing
  • Sprocket
  • Carrier Rollers
  • Track Rollers


  • Transmission/Torque Converter Diagram, Maintenance, Removal and Installation and Troubleshooting
  • Transmission Oil Flow Diagram and Operation
  • Charge Pump
  • Transmission Control Valve
  • Torque Converter
  • Transmission
  • Final Drives
  • Transmission Controls
  • Drive Shafts



  • Hydraulic Circuit Diagrams, Troubleshooting, Maintenance and Pressure Checks
  • Hydraulic Pump
  • Control Valves
  • Cylinders
  • Backhoe Control Valve


  • Loader
  • Dozers
  • Ripper
  • ROPS
  • Backhoe
  • Winch

Example Service Manual PDF Download

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