• Model: 110
  • Manufactured by: John Deere
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## John Deere 4425 Combine: Revolutionizing Agricultural Harvesting

The John Deere 4425 Combine is a technological masterpiece, engineered to deliver exceptional performance and efficiency in the demanding agricultural industry. Combining cutting-edge innovations with time-tested reliability, it empowers farmers to maximize productivity and profitability.

### Unparalleled Harvesting Power

At the heart of the 4425 lies a powerful John Deere PowerTech 9.0L engine, boasting 320 horsepower. This robust engine provides ample torque for tackling even the toughest harvesting conditions, ensuring seamless operation and increased productivity.

### Precision Harvesting Technology

The 4425 features the advanced John Deere HarvestSmart system, which utilizes a suite of sensors to monitor grain quality and adjust harvesting parameters in real-time. This technology ensures optimal grain recovery and reduces crop losses, maximizing yield and minimizing waste.

### Unmatched Efficiency

The 4425 combines superior power with innovative efficiency enhancements. The exclusive DuraDrum threshing system and cleaning shoe deliver unmatched grain separation, resulting in cleaner samples and reduced dockage. The automatic header height control ensures consistent cutting height, preventing crop damage and maximizing yield.

### Comfort and Control

The operator's cab of the 4425 provides unparalleled comfort and control. The spacious and ergonomic design reduces operator fatigue, while the intuitive CommandCenter display allows operators to easily monitor machine performance and make adjustments on the fly.

### Advanced Connectivity

The 4425 is equipped with JDLink connectivity, enabling remote monitoring and diagnostics. Farmers can access real-time data, receive alerts, and optimize machine performance from anywhere, maximizing uptime and reducing downtime.

### Technical Specifications (For Reference Only):

- Engine: John Deere PowerTech 9.0L, 320 hp
- Header Width: Up to 40 feet
- Grain Tank Capacity: 330 bushels
- Unloading System: Standard unloading auger, optional grain cart unloader
- Dimensions: Length: 35 feet, Width: 15 feet, Height: 12 feet
- Weight: 25,000 pounds

This is the COMPLETE Technical Manual for the John Deere 4425 Combine. It contains deep information about maintaining, assembly, disassembly and servicing your John Deere 4425 Combine.

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.

Technical Manual Contains:
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SECTION 10 - GENERAL
Group 05 - General Specifications
Group 10 - Diagnosing and Testing Procedures
Group 15 - Tune-Up and Adjustment
Group 20 - Clamping Ring Bearings
Group 25 - Drive Belts
Group 30 - Drive Chains
SECTION 20 - ENGINE -REPAIR
Group 05 - Engine Removal
Group 10 - Cooling System
SECTION 30 - FUEL / AIR INTAKE SYSTEM - REPAIR
Group 05 - Air Intake and Exhaust Systems
Group 10 - Diesel - Fuel System
Group 15 - Speed Control Linkage
SECTION 40 - ELECTRICAL SYSTEM - REPAIR
Group 05 - Wiring Harnesses and Connectors
Group 10 - Starting Motor
Group 15 - Alternator
Group 20 - System Components
Group 25 - Low Shaft Speed Monitor
Group 30 - HARVESTRAK Combine Monitor
SECTION 50 - POWER TRAIN - REPAIR
Group 05 - POSI-TORQ Ground Drive - Upper Unit
Group 10 - POSI-TORQ Ground Drive - Lower Unit
Group 15 - Clutch Control
Group 20 - Clutch
Group 25 - Four-Speed Transmission
Group 30 - Final Drives
SECTION 60 - BRAKES AND REAR AXLE - REPAIR
Group 05 - Power Steering
Group 10 - Rear Axle and V-Support
Group 15 - Parking Brake
Group 20 - Brakes Control
Group 25 - Brakes
SECTION 70 - HYDRAULIC SYSTEM - REPAIR
Group 05 - Main Hydraulic Reservoir
Group 10 - Main Hydraulic Pump
Group 15 - Main Hydraulic Control Valve
Group 20 - Hydraulic Cylinders
Group 25 - Accumulator and Gauge
Group 30 - Hydraulic Reel Drive System
Group 35 - Hydraulic Reverser Motor
SECTION 80 - SEPARATOR SHELL - REPAIR
Group 05 - Rear Hood
Group 10 - Rear Axle
SECTION 90 - OPERATORS STATION - REPAIR
Group 05 - Air Conditioning - Compressor
Group 10 - Air Conditioning - Components
Group 15 - Air Conditioning - Service
Group 20 - Pressurizer System
Group 25 - Heating System
Group 30 - Seat
Group 35 - Cab
SECTION 100 - HEADERS - REPAIR
Group 05 - 200 Series Cutting Platform
Group 10 - 40 Series Corn Head
Group 20 - 50 Series Row-Crop Heads
SECTION 110 - HEADER AND FEEDER DRIVES - REPAIR
Group 05 - Header and Feeder Drives
Group 10 - Header and Feeder Drives
Group 15 - Hydraulic Reverser
SECTION 120 - SEPARATOR / CLEANING UNIT - REPAIR
Group 05 - Separator Drive
Group 10 - Threshing Cylinder Variable Drive
Group 11 - Cylinder Drive Reduction Gear
Group 15 - Threshing Cylinder
Group 20 - Concave
Group 25 - Beater Variable Drive
Group 30 - Beater
Group 35 - Straw Walkers
Group 40 - Chaffer and Sieves
Group 45 - Cleaning Fan
Group 50 - Straw Chopper
Group 55 - Straw Spreader
SECTION 130 - ELEVATORS, GRAIN TANK AND UNLOADING AUGERS - REPAIR
Group 05 - Tailings Augers and Elevator
Group 10 - Clean Grain Auger and Elevator
Group 15 - Grain Tank Augers
Group 20 - Unloading Auger and Housing
SECTION 140 - DIAL-A-MATIC HEADER HEIGHT CONTROL - REPAIR
Group 05 - Electrical System
Group 10 - Hydraulic System
SECTION 220 - ENGINE - OPERATION AND TESTS
Group 05 - Cooling System
SECTION 230 - FUEL AND AIR INTAKE SYSTEM - OPERATION AND TESTS
Group 05 - Air Intake System
Group 10 - Diesel Fuel System
SECTION 240 - ELECTRICAL SYSTEM - OPERATION AND TESTS
Group 05 - General Testing / Wiring Charts and Diagrams
Group 10 - Starting Motor
Group 15 - Alternator
Group 20 - Low Shaft Spead Monitor
Group 25 - HARVESTRAK Combine Monitor
SECTION 250 - POWER TRAIN - OPERATION AND TESTS
Group 05 - POSI-TORQ Ground Drive
Group 10 - Clutch Control
Group 15 - Clutch
Group 20 - Transmission
SECTION 260 - STEERING / BRAKES - OPERATION AND TESTS
Group 05 - Power Steering - Operation
Group 10 - Power Steering - Diagnosing
Group 15 - Power Steering - Tests
Group 20 - Brakes and Brakes Control
SECTION 270 - HYDRAULIC SYSTEM - OPERATION AND TESTS
Group 05 - Hydraulic System Operation
Group 10 - Diagnosing Malfunctions
Group 15 - Hydraulic System
SECTION 290 - OPERATORS STATION - OPERATION AND TESTS
Group 05 - Air Conditioning Operation
Group 10 - Air Conditioning - Tests
Group 15 - Pressurizer System
SECTION 340 - DIAL-A-MATIC HEADER HEIGHT CONTROL - OPERATION AND TESTS
Group 05 - General Information, Diagnosis
Group 10 - Electrical System
Group 15 - Hydraulic System
Group 20 - Mechanical System

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** Model Specification: John Deere 4425 Combine
** Publication number: TM4417
** Language: English
** Total Pages: 874
** File Format: PDF
** Requirements: Adobe PDF Reader
** Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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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.

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