Basic Information Identification Make: John Deere Model: 4055, 4255, 4455 Tractors Generation Production Years: 1988-1992 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics alike Key Features Ease Of Use: Easy-to-read text sections with top-quality diagrams and step-by-step instructions. Value Proposition Cost Effectiveness: Inexpensive way to keep your vehicle working properly and avoid costly dealer repairs. Manual Details Coverage Areas Manual Title: John Deere 4055, 4255, 4455 Tractors Operation & Tests Technical Manual (TM1459) Manual Scope: Operation and Tests Manual Identifier: TM1459 Page Count Estimated Page Count: Varies by specific manual printing, but comprehensive for all listed sections. Manual Type Manual Type: Factory Technical Manual / Service Manual / Repair Manual Language Language: English Format File Format: PDF Manual Coverage Systems Covered Engine Systems: General Information, Engine Operation and Tests, Fuel and Air Systems Transmission Systems: QUAD-RANGE Transmission, Power Shift Transmission Drivetrain Systems: PTO, Axles and Differentials Control Systems: Steering and Brakes Hydraulic Systems: Hydraulic System Operator Station: Operator Station (Operation, Diagnosis, Theory of Operation) Electrical Systems: Electrical Operation and Tests (Starting, Charging, INTELLITRAK, Lighting, Accessories) Other Systems: General Information (Safety, Operational Checkout, General Reference, Test Equipment Calibration), Dealer Fabricated Tools. Procedures Included Diagnostic Procedures: System Diagnosis for all major components, Troubleshooting guides Testing Procedures: Operational Checks, Performance Tests, System Tests Maintenance Procedures: Routine checks, fluid level checks, lubrication (implied through general information and system operation) Special Procedures: Dealer Fabricated Tools, Complete Disassembly Instructions Rebuild Procedures: The manual covers complete disassembly of the machine, implying that detailed procedures for component rebuilds are included. Technical Depth Depth Of Information: Comprehensive, covering theory of operation, diagnostics, and testing for in-depth repair and maintenance. Diagrams And Illustrations: High-quality diagrams, exploded views, and reference charts for clear understanding. Troubleshooting Methodology: Employs a systematic approach to troubleshooting, starting with operational checks and progressing to detailed system diagnosis. Manual Specifications File Format Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader & WinZip Searchability: PDF format with searchable text is implied by professional manual standards. Print Quality Printability: All pages are printable Binding Type Binding Type: Digital (PDF download) Paper Type Paper Type: Not applicable (Digital format) Delivery Delivery Method: Instant Download Engine Specifications Primary Engine Engine Family: John Deere 400 Series Diesel Engines (specific model numbers vary by tractor variant) Performance Horsepower Range: Likely in the 80-130 HP range, depending on the specific 4055, 4255, or 4455 model and configuration. Fuel System Fuel Type: Diesel Injection System: Direct injection (typical for this era of John Deere tractors) Engine Components Engine Models Covered: While specific engine model numbers aren't listed, the manual covers the engine systems for the 4055, 4255, and 4455 tractors, which would typically feature variations of John Deere's 400 Series engines (e.g., 6.6L or 7.6L displacement depending on the specific tractor model). Transmission Standard Transmission Options: QUAD-RANGE Transmission and Power Shift Transmission were common options. Optional Transmission Features: Enables on-the-go shifting between speed ranges without clutching for the Power Shift. QUAD-RANGE likely refers to a specific synchronized gear setup with range shifting. Transmission Types Covered Transmission Details: Detailed coverage of both the QUAD-RANGE and Power Shift transmissions, including operational checks, diagnosis, and theory of operation. Dimensions Exterior Chassis Type: Standard Agricultural Tractor Weights Operating Weight: Varies by model, but typically in the 10,000 - 15,000 lbs range. Safety Features Ratings Operator Safety: Manual includes a dedicated 'Safety' section (Group 05) emphasizing safe operating practices and hazard identification. Active Features Machine Safety Features: Details on PTO engagement safety, braking systems, and steering system integrity. Passive Features Operator Protection: While not explicitly detailed here, the presence of an Operator Station section implies coverage of controls and ergonomics relevant to safety. Technology Features Infotainment Cab Features: Focus is on operational systems; infotainment is not a primary feature of this tractor generation. Driver Assistance Electronic Systems: Includes detailed information on the INTELLITRAK system, indicating electronic control for certain tractor functions. Connectivity Diagnostics Interface: The manual provides the technical information necessary for diagnostic procedures, which can be aided by on-board diagnostic systems of the era. Maintenance Service Intervals Scheduled Maintenance: Manual covers operational checkout and diagnosis, which are crucial for identifying maintenance needs. Specific intervals for fluid changes, filter replacements, and lubrication are detailed within the respective system sections. Fluid Specifications Engine Oil: Specific SAE viscosity grades and API service classifications for diesel engine oil will be detailed in the Engine section. Hydraulic Fluid: Specifications for John Deere's HY-GARD fluid or equivalent will be provided for the hydraulic and transmission systems. Transmission Fluid: Specific fluid types and capacities for both QUAD-RANGE and Power Shift transmissions are covered. Known Issues Common Problems: The diagnostic sections are invaluable for identifying and resolving common issues such as hydraulic system leaks, transmission engagement problems, and engine performance issues. Part Numbers Filter Part Numbers: While specific part numbers are not listed...