Case W18, W20, W20B Wheel Loader Service Manual (PIN 9123140 and Up)

Original price was: $416.89.Current price is: $94.99.

  • Covers Case W18, W20, W20B Wheel Loader (PIN 9123140 and Up)
  • P/N 9-68960
  • 1,242 pages
  • Downloadable PDF format
  • Searchable, printable
  • 126mb file size
  • Works with Windows/Mac/Tablet/Mobile

The Case W18, W20 and W20B service manual for PIN numbers 9123140 and above covers specifications, step-by-step procedures and detailed illustrations to help professional and DIY mechanics with mechanical, electrical and hydraulic repairs on the loader. Chapters generally cover specifications, removal and installation, disassembly and assembly, and troubleshooting checks where applicable. The service manual was sourced from original dealer materials and reproduced in a high quality PDF format for your computer, tablet or smartphone. Save time and money by downloading the PDF service manual immediately after checkout.



  • Detailed Engine Specifications – 401BD
  • 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
  • General Engine Information (Stall Tests, Engine Removal and Installation, Radiator Removal and Installation)
  • Air Cleaner and Muffler
  • Ether Injection
  • Cooling System
  • Turbocharger
  • Reconditioning Engine Cylinder Block
  • Turbocharger Failure Analysis


  • Fuel System and Filters
  • Robert Bosch Fuel Injection Pump
  • Roosa Master Fuel Injectors
  • Engine Controls, Fuel Lines, and Fuel Tank
  • Electric Fuel Pump


  • Electrical System Specifications and Troubleshooting
  • Wiring Diagrams
  • Instrument Cluster
  • Batteries
  • Starter
  • Alternators


  • Hydraulic Diagram, Troubleshooting, and Pressure Check
  • Steering Control Valve and Flow Control Valve
  • Steering Cylinders
  • Center Pivot
  • Auxiliary Steering


  • Allison Powershift Transmission
  • Maintenance, Removal and Installation, and Troubleshooting
  • Transmission Controls
  • Drive Shafts, Center Bearing, and Universal Joints
  • Rear Axle Trunnion
  • Differential and Planetaries – GKN axle for W20B
  • Differential and Planetaries – Rockwell axle for W18 and W20
  • Wheels and Tires


  • General Air System Information
  • Air Compressor, Governor, and Reservoir
  • Brake Valve
  • Brake Actuator
  • Pressure Reducing Valve and Pressure Protection Valve
  • Air Horn and Air Horn Valve
  • Alcohol Evaporator
  • Double Check Valve and Stoplight Switch
  • Disc Brakes W20B
  • Drum Brakes W18 and W20
  • Parking Brake


  • General Hydraulic System Information
  • Hydraulic Circuit Schematic
  • Hydraulic Pump
  • Loader Control Valve
  • Cylinders


  • Air Conditioning Troubleshooting and System Checks
  • Air Conditioning System
  • Loader
  • ROPS Cab and ROPS Canopy

Example Service Manual PDF Download

Need more information on this product?

If you have any questions regarding this manual, please contact us and reference the title or SKU.

SKU: CASE-W18-SM2 Categories: , Tags: , , ,

Related manuals


There are no reviews yet.

Be the first to review “Case W18, W20, W20B Wheel Loader Service Manual (PIN 9123140 and Up)”

Your email address will not be published. Required fields are marked *