The Ford New Holland 640, 650, 660, 850, and 860 tractors, produced between 1953 and 1964, represent a significant lineage in agricultural machinery. These tractors were built with the durability and reliability that Ford was known for, serving as workhorses for farmers during a period of significant agricultural advancement. They were designed for robust performance, offering dependable power and functionality essential for a wide range of farming tasks. The engineering quality of these machines ensured their longevity and effectiveness in demanding environments, making them a valuable asset for any agricultural operation. This comprehensive Service & Repair Workshop Manual provides in-depth technical information for owners, mechanics, and technicians working on the Ford New Holland 640, 650, 660, 850, and 860 tractor models. It covers all essential systems, including detailed engine service, transmission and clutch repair, electrical system diagnostics, hydraulic system maintenance, and steering and braking procedures. The manual includes step-by-step instructions for routine maintenance, major repairs, and component overhauls, supported by hundreds of detailed diagrams and photographs. Troubleshooting guides and essential torque specifications are also provided, ensuring that users have the necessary resources to maintain and repair these tractors effectively and efficiently. 🏷️ 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...