John Deere 401D Tractor Repair Technical Manual (TM1271)

• I – GENERAL INFORMATION
• 01 – WHEELS
• 02 – AXLES AND SUSPENSION SYSTEMS
• 03 – TRANSMISSION
• 04 – ENGINE
• 05 – ENGINE AUXILIARY SYSTEMS
• 07 – TRACTION CLUTCH
• 09 – STEERING SYSTEM
• 10 – SERVICE BRAKES
• 11 – PARKING-EMERGENCY BRAKES
• 15 – EQUIPMENT ATTACHING
• 16 – ELECTRICAL SYSTEMS
• 18 – OPERATOR’S STATION
• 21 – MAIN HYDRAULIC SYSTEM
• 31 – LOADER
• 33 – BACKHOE EXCAVATOR
• 40 – PTO OR WINCH DRIVE
• 90 – SYSTEM TESTING
• 99 – SPECIAL TOOLS
• INDEX

These are concise service guides for a specific machine and are on-the-job guides containing only the vital information needed by a technician and includes repair and maintenance information, detailed description of service and troubleshoot procedures, installation instructions, special instructions, other additional information.

This manual includes illustrations like pictures and diagrams which you can help you determine the installation location spare parts, etc.