John Deere 401D Utility Tractor Service Repair Manual
TM1271 – John Deere 401D Utility Construction Tractor / Backhoe Loader Technical Service Manual
SECTION 1 – GENERAL INFORMATION
1 – Introduction and Safety Information
II – General Specifications
III – Torque Values
IV – Fuels and Lubricants
SECTION 01 – WHEELS
0110 – Powered Wheels and Fastenings
0120 – Non-Powered Wheels and Fastenings
0149 – Weights
SECTION 02 – AXLES AND SUSPENSION SYSTEMS
0230 – Non-Powered Wheel Axles
0250 – Axle Shafts, Bearings, and Reduction Gears
SECTION 03 – TRANSMISSION
0300 – Removal and Installation
0315 – Controls
0350 – Gears, Shafts, Bearings, and Power Shift Clutch
0360 – Hydraulic System
SECTION 04 – ENGINE
0400 – Removal and Installation
0401 – Crankshaft and Main Bearings
0402 – Camshaft and Valve Actuating Means
0403 – Connecting Rods and Pistons
0404 – Cylinder Block
SECTION 04 – ENGINE – Continued
0407 – Oiling System
0409 – Cylinder Head and Valves
0413 – Fuel Injection System
0414 – Intake Manifold
0415 – Engine Balancer
0417 – Water Pump
0418 – Thermostats, Housing and Piping
0419 – Oil Cooler
0420 – Fuel Filter
042I – Fuel Transfer Pump
0422 – Starting Motor and Fastenings
0433 – Flywheel, Housing, and Fastenings
SECTION 05 – ENGINE AUXILIARY SYSTEMS
0505 – Cold Weather Starting Aids
0510 – Cooling Systems
0515 – Speed Controls
0520 – Intake System
0530 – External Exhaust Systems
0560 – External Fuel Supply Systems
SECTION 07 – TRACTION CLUTCH
0715 – Controls
0752 – Elements
SECTION 09 – STEERING SYSTEM
0960 – Hydraulic System
SECTION 10 – SERVICE BRAKES
1011 – Active Elements
1060 – Hydraulic System
SECTION 11 – PARKING-EMERGENCY BRAKES
1111 – Active Elements
1115 – Controls Linkage
SECTION 15 – EQUIPMENT ATTACHING
1520 – Hitches and Hitch Pins
SECTION 16 – ELECTRICAL SYSTEMS
1671 – Batteries, Support, and Cables
1672 – Alternator, Regulator and Charging System Wiring
1673 – Lighting System
1674 – Wiring Harness and Switches
1676 – Instruments and Indicators
SECTION 18 – OPERATOR’S STATION
1800 – Removal and installation
SECTION 21 – MAIN HYDRAULIC SYSTEM
2160 – Hydraulic System
SECTION 31 – LOADER
3102 – Bucket (Including Teeth and Cutting Edge)
3115 – Controls Linkage
3140 – Frames
3160 – Loader Hydraulics
SECTION 33 – BACKHOE EXCAVATOR
3300 – Removal and Installation
3302 – Buckets, Teeth, Shanks and Side cutters
3315 – Controls Linkage
3340 – Frames
3360 – Hydraulic System
SECTION 40 – PTO OR WINCH DRIVE
4015 – PTO Control
4051 – Gears, Shafts, and Bearings
4052 – PTO Clutch (If Separate)
4060 – Hydraulic System
SECTION 90 – SYSTEM TESTING
9005 – General Information – Seven Basic Steps of Diagnosis and Testing
9010 – Engine
9015 – Electrical System
9020 – Power Train
9025 – Hydraulic System
SECTION 99 – SPECIAL TOOLS
INDEX
John Deere 401D Utility Tractor Service Repair Manual