🏷️ Basic Information Identification Make: Ford New Holland Model: 640, 650, 660, 850, 860 Tractor Production Years: 1953-1964 👋 Introduction Market Position Target Audience: Owners, mechanics, and technicians working on Ford New Holland 640, 650, 660, 850, and 860 tractors from 1953-1964. Competitive Analysis Manual Value: Provides professional-level service information equivalent to factory manuals, offering significant cost savings over dealership service. Key Features Key Feature 1: Complete factory service data for specific tractor models and years. Key Feature 2: Lifetime access with no expiration or renewal fees. Key Feature 3: Rich with detailed diagrams and high-quality photographs. 📋 Manual Details Coverage Areas Manual Type: Service & Repair Workshop Manual Language: English Format: PDF Download Licensing: Lifetime Use, No Expiry Dates, Full Version Page Count Page Count Estimate: Hundreds of pages (specific count not provided but described as comprehensive) 📖 Manual Coverage Systems Covered Engine Service: Detailed procedures for engine overhaul, tune-ups, cooling system, lubrication system, and fuel system maintenance. Transmission Service: Covers maintenance, repair, and adjustment of the transmission, clutch, and differential. Electrical System: Includes wiring diagrams, troubleshooting for starting and charging systems, lighting, and instrumentation. Hydraulic System: Details on the operation, maintenance, and repair of the tractor's hydraulic system, including pumps, valves, and cylinders. Steering And Braking: Comprehensive coverage of steering mechanisms, brake system maintenance, and adjustment. Power Take Off Pto: Service and repair procedures for the PTO system. Front Axle And Steering: Detailed repair and maintenance for the front axle assembly and steering components. Rear Axle And Drive Shafts: Procedures for rear axle servicing and drive shaft maintenance. Body And Frame: Information on chassis, fenders, and other body components. Procedures Included Troubleshooting: Systematic troubleshooting guides for common and uncommon issues. Routine Maintenance: Step-by-step instructions for scheduled maintenance tasks. Major Repairs: Detailed procedures for complete engine, transmission, and hydraulic rebuilds. Component Overhaul: Instructions for disassembling, inspecting, repairing, and reassembling individual components. Torque Specifications: Essential torque values for critical fasteners. Alignment Procedures: Guidelines for wheel alignment where applicable. Diagnostics: Advanced diagnostic techniques for identifying faults. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic adjustments to complete overhaul and rebuild procedures. Diagrams Illustrations: Hundreds of detailed photos and exploded diagrams for visual guidance. Clarity Of Instructions: Step-by-step instructions designed for professional mechanics and technicians, easily understandable. 📊 Manual Specifications File Format File Type: PDF Compatibility: Compatible with all Windows and MAC computers, tablets, and smartphones. Print Quality Printability: Printable (single pages or entire manual). Binding Type Binding Description: Digital download; not a physical book. Paper Type Paper Description: N/A (Digital Format). ⚙️ Engine Specifications Primary Engine Engine Family Type: Ford-designed inline diesel engines (specific displacements and configurations varied by model, typically 3-cylinder or 4-cylinder). Performance Horsepower Range Estimated: Likely in the 40-65 HP range, depending on specific model and engine variant. Torque Range Estimated: Specific figures vary by engine, but designed for robust pulling power characteristic of the era. Fuel System Fuel Type: Diesel Fuel Injection Type: Typically indirect injection, with components like Bosch or CAV injection pumps. Cooling System Cooling Method: Water-cooled, pressurized system. Lubrication System Oil Type Specification: Likely API CD or MIL-L-2104B specification for diesel engines of that era. Common viscosities would include SAE 30 or 10W-30/15W-40 depending on operating temperature. 🔧 Transmission Standard Transmission Gearbox Type: Manual transmission, likely with a sliding gear or constant mesh design. Number Of Speeds: Typically 5, 6, 8, or 10 forward speeds plus reverse, depending on the specific model and transmission option. Optional Transmission Optional Features: Some models may have featured a dual-clutch or creeper gear option for very low speeds. Features Clutch Type: Dry single-plate or dual-plate clutch. Transmission Fluid Specification: Likely SAE 80W or 90W GL-4 gear oil. Specific Ford part numbers or equivalent would be detailed in the manual. 📐 Dimensions Exterior Wheelbase Range: Varies by model; typically around 70-80 inches for standard row-crop configurations. Tire Size Front: Commonly 6.00-16 or 7.50-16. Tire Size Rear: Commonly 11.2-28, 12.4-28, or 13.6-28 agricultural tires. Weights Operating Weight Estimate: Approximately 4,000 - 5,500 lbs (1800 - 2500 kg), depending on model and configuration. 🛡️ Safety Features Ratings Safety Features Era: Tractors of this era typically lacked modern safety features like ROPS (Roll-Over Protective Structures) and seatbelts as standard. The manual would detail safe operating practices for the time. Active Features Braking System Type: Mechanical drum brakes or expanding shoe brakes, operated by foot pedals, often with differential braking. Passive Features Operator Station: Open operator station with manual steering and a basic seat. 💡 Technology Features Infotainment Infotainment System: N/A (Tractors of this era did not feature infotainment systems; focus is on mechanical and operational technology). Driver Assistance Driver Assistance Features: N/A (Basic mechanical controls only). Connectivity Connectivity Options: N/A. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours, or annually, depending on usage and oil quality....