🏷️ Basic Information Identification Make: Ford New Holland Model: 6640 Tractor Model Variant: SL & SLE Product Type: Operators Owner Instruction Manual Product Format: PDF Codes Product Code: N/A 👋 Introduction Market Position Tractor Segment: Mid-range utility tractor, suitable for a variety of agricultural and property maintenance tasks. Competitive Analysis Key Competitors: Comparable to models from John Deere, Massey Ferguson, Case IH, and similar manufacturers of its era. Key Features Of Manual Ease Of Use: Written in a clear, understandable manner for a broad audience, with abundant diagrams and illustrations. Accessibility: Instant download, always available, and can be viewed, zoomed, printed, or saved. Completeness: Provides the exact same information as the original manual delivered with the tractor when new. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive operator and owner information, including operation, maintenance, and specifications. Page Count Estimated Page Count: Estimated 200-300 pages (typical for comprehensive tractor manuals). Manual Type Manual Type: Operators/Owner/Instruction Manual Language Language: English Format Digital Format: Searchable PDF with bookmarks and index. 📖 Manual Coverage Systems Covered Engine Systems: Lubrication, cooling, fuel, intake, exhaust, starting, ignition (if applicable). Drivetrain Systems: Transmission operation, clutch, PTO (Power Take-Off), hydraulics, differential lock. Hydraulic Systems: Operation of hydraulic controls, fluid maintenance, basic troubleshooting of hydraulic functions. Electrical Systems: Basic information on lights, starter, battery, and common electrical components. Chassis And Controls: Steering, brakes, operator controls, dashboard indicators, instrument panel. Procedures Included Operating Procedures: Pre-operation checks, starting and stopping procedures, gear shifting, PTO operation, hydraulic control operation, safe operating practices. Maintenance Procedures: Daily, weekly, monthly checks; fluid level checks and top-offs; filter replacement; greasing points; basic adjustments. Lubrication Schedule: Detailed lubrication points and recommended lubricant types and intervals. First Service: Specific instructions and forms for the initial 50-hour service. Technical Depth Depth Of Coverage: Covers essential operator knowledge and routine maintenance. Focuses on 'how-to' for day-to-day use and care, not deep mechanical repair. 📊 Manual Specifications File Format Digital File Format: PDF (Portable Document Format) Print Quality Print Capabilities: High-quality, printable for individual pages or the entire manual. Designed for clarity and readability. Binding Type Binding Type Implication: Digital format, no physical binding required. Users can print and bind as needed. Paper Type Paper Type Implication: Digital format, suitable for printing on standard paper. Digital Enhancements Searchability: Fully searchable text, allowing quick access to information by keywords. Bookmarking: Includes bookmarks for easy navigation to key sections. Indexing: Features an index for direct access to specific topics. Compatibility Device Compatibility: Compatible with all versions of Windows, Mac, iOS, BlackBerry OS, Android, and other PDF-readable devices. ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Ford New Holland (often sourced from ancillary engine manufacturers like Fiat or Perkins) Engine Model Typical: Ford-New Holland 4.4L or 4.5L 4-cylinder naturally aspirated or turbocharged diesel engine (specifics vary). Performance Horsepower Range Typical: Approximately 70-85 PTO horsepower (Power Take-Off horsepower). Torque Characteristics: Designed for robust low-end torque for pulling heavy loads. Fuel System Fuel Type: Diesel Injection System Typical: Indirect or Direct Injection Diesel (specifics depend on engine variant). 🔧 Transmission Standard Transmission Type Standard: Constant Mesh or Synchromesh Gearbox with multiple speed ranges (e.g., 8 forward, 2 reverse). Optional Transmission Type Optional: Possibility of a partially synchronized or fully synchronized transmission, or creeper gears depending on spec. Features Pto Options: Typically 540/1000 RPM PTO, often with ground-speed PTO capability. Differential Lock: Standard or optional differential lock for improved traction. 📐 Dimensions Exterior Wheelbase Typical: Approximately 85-90 inches (2159-2286 mm). Weights Operating Weight Typical: Approximately 5,500 - 6,500 lbs (2495 - 2948 kg) without ballast. 🛡️ Safety Features Ratings Safety Features Overview: Designed with operator safety as a priority, including ROPS (Roll-Over Protective Structure) capability, seat belts, and safety guards. Active Features Braking System: Hydraulically assisted disc brakes. Passive Features Operator Station: Ergonomically designed operator station with controls positioned for ease of use and safety. 💡 Technology Features Infotainment Infotainment Features: Basic tractor design, infotainment features are generally absent. Focus is on functional operation and comfort for extended use. Driver Assistance Driver Assistance Features: Limited to ergonomic control placement and clear dashboard indicators. No electronic driver assistance systems. Connectivity Connectivity Features: No modern connectivity features like Bluetooth or GPS integration on this model. Designed for robust mechanical operation. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, or annually. Hydraulic Fluid Change: Typically every 1000-1200 operating hours. Air Filter Replacement: As needed, depending on operating conditions (indicated by air cleaner restriction indicator). Fluid Specifications Engine Oil Specification: API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on climate. (Refer to manual for exact spec). Hydraulic Fluid Specification: Ford/New Holland specialized hydraulic fluid (e.g., M2C134D) or equivalent. Check manual for exact type and capacity. Transmission Fluid Specification: Depends on transmission type, often same as hydraulic fluid or a dedicated gear oil. Refer...