This is the COMPLETE Technical Manual for the John Deere 4400, 4420 Combines. It contains deep information about maintaining, assembly, disassembly and servicing your John Deere 4400, 4420 Combines. This manual contains information and data to this model. Has specs, diagrams, and actual real photo illustrations, color schemes. These technical manual is as good as it gets for Diagnosing, Repairing, and Maintenancing John Deere machinery. Models Covered: ========= John Deere 4400 Combine John Deere 4420 Combine Technical Manual Contains: ========= SECTION 10 - GENERAL SECTION 20 - 219 AND 329 DIESEL ENGINE REPAIR Group 00 - Specifications and Special Tools Group 05 - Cylinder Head, Valves and Camshaft Group 10 - Block Liners, Pistons, and Rods Group 15 - Crankshaft, Main Bearings, and Flywheel Group 20 - Lubrication System Group 25 - Cooling System SECTION 22 - 359 DIESEL ENGINE REPAIR Group 00 - Contents Group 05 - Cylinder Head, Valve, Timing Gear Train and Camshaft Group 10 - Cylinder Block, Liners, Pistons and Rods Group 15 - Crankshaft, Main Bearings and Flywheel Group 20 - Lubrication System Group 25 - Cooling System SECTION 25 - GASOLINE ENGINE REPAIR Group 00 - Specifications and Special Tools Group 05 - Cylinder Head, Valves and Camshaft Group 10 - Block Liners, Pistons and Rods Group 15 - Crankshaft, Main Bearings, and Flywheel Group 20 - Lubrication System Group 25 - Cooling System Group 30 - Governor and Speed Control Linkage SECTION 30 - FUEL AND AIR REPAIR Group 00 - Specifications and Special Tools Group 05 - Air Intake System Group 10 - 219 and 329 Diesel Fuel System Group 12 - 359 Diesel Fuel System Group 15 - Control Linkage SECTION 40 - ELECTRICAL REPAIR Group 00 - Specifications and Special Tools Group 05 - Harness Replacement Group 10 - Charging Circuit Repair Group 15 - Starting Circuit Repair Group 20 - Ignition System Repair Group 25 - Lights and Accessory Circuits SECTION 50 - POWER TRAIN REPAIR Group 00 - Specifications and Special Tools Group 05 - Clutch Group 10 - Transmission Group 15 - Differential Group 20 - Final Drive Group 25 - Final Drive SECTION 60 - STEERING / BRAKES REPAIR Group 00 - Specifications Group 05 - Power Steering Group 10 - Brakes SECTION 70 - HYDRAULIC REPAIR Group 00 - Specifications and Special Tools Group 05 - Reservoir Group 10 - Hydraulic Pumps Group 15 - Hydraulic Valves Group 20 - Hydraulic Cylinders Group 25 - Hydraulic Motors Group 30 - Accumulator SECTION 80 - SEPARATOR SHELL REPAIR Group 00 - Specifications Group 05 - Rear Hood Group 10 - Cylinder Rear Cover Group 15 - Separator Uprights SECTION 90 - OPERATOR STATION REPAIR Group 00 - Specifications and Special Tools Group 05 - Air Conditioning Platforms Group 10 - Pressurizer System Group 15 - Heating System Group 20 - Personal Posture Seat Group 25 - Cab Roof SECTION 100 - HEADER REPAIR Group 00 - Specifications and Special Tools Group 05 - 200 Series Cutting Platforms Group 10 - Quik-Tatch Cutting Platforms Group 15 - 40 Series Corn Heads Group 20 - Row-Crop Heads SECTION 100 - FEEDER HOUSE REPAIR Group 00 - Specifications Group 05 - Feeder Conveyor Chain Group 10 - Feeder Conveyor Drum Group 15 - Variable Speed Feeder House Drives Group 20 - Feeder House Lower Shaft Group 25 - Feeder House Upper Shaft SECTION 120 - SEPARATOR REPAIR Group 00 - Specifications and Special Tools Group 05 - Cylinder, Concave, and Beater Group 10 - Cylinder Drives Group 15 - Straw Walkers and Crankshafts Group 20 - Straw Chopper and Straw Spreader Group 25 - Shoe Supply Augers, Cleaning Fan, and Shoe Frame Group 30 - Tailings Elevator and Augers Group 35 - Lower Auger, Clean Grain Elevator, and Grain Tank Loading Auger SECTION 130 - GRAIN TANK UNLOADING SYSTEM REPAIR Group 00 - Specifications Group 05 - Grain Tank Auxiliary Unloading Augers and Drive Group 10 - Grain Tank Inner and Outer Unloading Augers SECTION 140 - MAJOR DRIVES REPAIR Group 00 - Specifications Group 05 - Engine Powershaft Group 10 - Primary Countershaft Group 15 - Secondary Countershaft SECTION 160 - AUTOMATIC HEADER HEIGHT CONTROL REPAIR Group 00 - Specifications and Special Tools Group 05 - Repair of Components SECTION 220 - ENGINE OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - System Operation Group 10 - System Tests and Diagnosis SECTION 230 - FUEL / AIR OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - Air Intake System Group 10 - Diesel Fuel System Group 15 - Control Linkage SECTION 240 - ELECTRICAL OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - General Information and Diagnosis Group 10 - Charging Circuit Diagnosis Group 15 - Starting Circuit Diagnosis Group 20 - Lights, Instruments, and Accessory Circuits Diagnosis SECTION 250 - POWER TRAIN OPERATION ADN TESTS Group 00 - Specifications and Special Tools Group 05 - Clutch Diagnosis Group 10 - Transmission Diagnosis Group 15 - Final Drive Diagnosis SECTION 260 - STEERING / BRAKES OPERATION AND TESTS Group 00 - Specifications Group 05 - Power Steering Group 10 - Brakes SECTION 270 - HYDRAULIC OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 01 - Hydraulic System Operation Group 05 - Hydraulic System Tests Group 10 - Reservoir Group 15 - Hydraulic Pumps Group 20 - Hydraulic Valves Group 25 - Hydraulic Cylinders Group 30 - Hydraulic Motors Group 35 - Accumulator SECTION 290 - OPERATOR STATION OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - Air Conditioning Operation and Tests Group 10 - Pressurizer System Group 15 - Heating System SECTION 360 - AUTOMATIC HEADER HEIGHT CONTROL OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - General Information, Diagnosis, and Tests Group 10 - Mechanical System Group 15 - Electrical System Group 20 - Hydraulic System Group 25 - General Information, Diagnosis, and Tests - DIAL-A-MATIC Group 30 - Mechanical System - DIAL-A-MATIC Group 35 - Electrical System - DIAL-A-MATIC Group 40 - Hydraulic System - DIAL-A-MATIC ========== ** Model Specification: John Deere 4400, 4420 Combines ** Publication number: TM1237 ** Language: English ** Total Pages: 1158 ** File Format: PDF ** Requirements: Adobe PDF Reader ** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc... =========== This QUALITY manual is 100 percents COMPLETE and INTACT, no MISSING/CORRUPT pages/sections to freak you out! It also is Bookmarked and SEARCHABLE to make what you need easy to find. Complete download comes in PDF format which can work under all PC based Windows operating system and Mac also. It saves to your hard-drive and can be burned to CD-ROM. It can be viewed on any computer, as well as zoomed and printed. INSTANT DOWNLOAD MEANS THERE IS NO SHIPPING COSTS or WAITING FOR A CD or PAPER MANUAL TO ARRIVE IN THE MAIL. YOU WILL RECEIVE THIS MANUAL TODAY VIA INSTANT DOWNLOAD ON COMPLETION OF PAYMENT VIA OUR SECURE PAYMENT PROCESSOR. WE ACCEPT ALL MAJOR CREDIT/DEBIT CARDS AND PAYPAL. BUY FROM US AND I GUARANTEE YOULL BE A SATISFIED CUSTOMER AND CONTACT US IF YOU HAVE ANY QUESTIONS. Looking for some other Service Repair Manual, please check: