Case W18B, W20C Wheel Loader Service Manual

Original price was: $494.44.Current price is: $94.50.

  • Covers Case W18B, W20C Wheel Loader
  • P/N 8-41430
  • 1,485 pages
  • Downloadable PDF format
  • Searchable, printable
  • 334mb file size
  • Works with Windows/Mac/Tablet/Mobile

The Case W18B and W20C service manual PDF download includes over 1,400 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 W18B or W20C loader. In addition to all machine systems, engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.

Latest digital edition.



  • Safety Rules, Service Manual Introduction
  • Torque Specifications
  • Maintenance and Lubrication
  • Detailed Engine Specifications


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


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


  • Electrical System Specifications and Troubleshooting
  • Wiring Diagrams
  • Instrument Cluster, Gauges, and Warning Lamps
  • Batteries
  • Starter and Starter Solenoid
  • Alternator


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


  • Maintenance, Troubleshooting, and Pressure Checks
  • Transmission Operation
  • Transmission Service
  • Transmission Controls
  • Drive Shafts, Center Bearing, and Universal Joints
  • Rear Axle Trunnion
  • Rockwell Axle for W18B Machines
  • GKN Axle for W20C Machines
  • Wheels and Tires


  • Air System Description, Diagram, Relieving Pressure, and Troubleshooting
  • Air Compressor, Governor, and Reservoir
  • Brake Valve
  • Brake Actuator
  • Pressure Reducer Valve and Pressure Protection Valve
  • Air Horn and Air Horn Valve
  • Alcohol Evaporator
  • Double Check Valve and Stoplight Switch
  • Drum Brakes for W18B Machine
  • Disc Brakes for W20C Machine
  • Parking Brake System


  • Hydraulic System Specifications, Diagrams, Maintenance, Troubleshooting, and Pressure Checks
  • Cleaning the Hydraulic System
  • Pump
  • Loader Control Valve
  • Clam Bucket Relief Valve
  • Cylinders


  • Air Conditioning Troubleshooting
  • Air Conditioning System
  • Loader
  • Cab and Canopy
  • Operators Seat and Seat Belts
  • Decals, Painting, and Noise Control

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-W18B-SM Categories: , Tags: , ,

Related manuals


There are no reviews yet.

Be the first to review “Case W18B, W20C Wheel Loader Service Manual”

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