🏷️ Basic Information Identification Make: Ford Model: 6635 Type: Ag Tractor 👋 Introduction Market Position Purpose: Essential resource for owners and mechanics of Ford 6635 Ag Tractors for parts identification and ordering. Key Features Completeness: Comprehensive coverage of all parts for the entire machine, including engine. Visual Aid: Utilizes illustrated parts list with exploded views for clear understanding of component assembly. Accessibility: Instant PDF download, eliminating shipping delays and providing immediate access. 📋 Manual Details Coverage Page Count: 1555 Manual Type: Master Illustrated Parts List Manual Language: English Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete engine parts breakdowns, engine equipment Transmission: Detailed parts for transmission system Front Axle Steering: Comprehensive parts for front axle and steering Rear Axle: Detailed parts for rear axle assembly Electrical System: Parts breakdown for electrical components Hydraulic Systems: Complete parts for all hydraulic systems Sheet Metal: Parts for body panels and sheet metal components Implement Lift: Parts for implement lifting mechanisms Operator Platform Cab: Parts for operator's platform and cab assembly Wheels Tracks: Parts for wheels and track systems Decals: Parts information for decals and labeling Procedures Included Parts Lookup: Facilitates do-it-yourself tractor parts lookup, accurate part number identification Servicing Rebuilding: Assists in servicing, rebuilding, teardowns, and overhauls with exploded views Repairs Adjustments: Aids in carrying out repairs and adjustments Technical Depth Detail Level: Detailed parts explosions, exploded views, and breakdowns of all part numbers Navigation Indexing: Fully indexed and divided into sections for fast navigation Searchability: All sections are fully text searchable 📊 Manual Specifications File Attributes File Format: PDF Print Quality: Printable pages, allowing for printing of selected sections Viewer Compatibility: Compatible with Adobe Acrobat Reader Digital Features: Zoomable, savable, closable ⚙️ Engine Specifications General Engine Family: Ford AG Tractor Diesel Engine (specific model details not provided in product info, but inferred from tractor type) Performance Horsepower Range: Typically in the 70-90 HP range for tractors of this era and class (specific data requires tractor specification lookup) Torque Range: Appropriate for its class, designed for agricultural applications (specific data requires tractor specification lookup) Fuel System Fuel Type: Diesel Components Engine Block: Cast Iron, designed for durability in agricultural use Cooling System: Water-cooled, typically with a radiator, fan, and thermostat 🔧 Transmission Type Gearbox: Likely a manual transmission with multiple forward and reverse gears, possibly with a creeper gear option. Features Pto: Provision for Power Take-Off (PTO), likely with multiple speeds (e.g., 540/1000 RPM). Clutch: Dual-clutch system for independent PTO operation may be an option. 📐 Dimensions General Vehicle Type: Four-wheel drive (4WD) or two-wheel drive (2WD) agricultural tractor (specific configuration not detailed). Weights Operating Weight: Typically in the range of 6,000 - 9,000 lbs (3,000 - 4,000 kg) for tractors of this size and power class. Dimensions Wheelbase: Specific wheelbase measurement would be detailed in the full manual. 🛡️ Safety Features Features Roll Over Protection: ROPS (Roll-Over Protective Structure) likely standard or optional for operator safety. Seatbelt: Seat belt for operator restraint within the ROPS structure. 💡 Technology Features Operator Controls Instrumentation: Includes gauges for engine temperature, oil pressure, fuel level, and tachometer/hour meter. Lighting: Includes headlights, taillights, and work lights for operation in various conditions. Hydraulics Controls: Levers and controls for operating the hydraulic lift system and remote hydraulic valves (if equipped). Transmission Controls: Gear shift levers and potentially a PTO engagement lever. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, depending on operating conditions and oil type. Fuel Filter Replacement: Recommended at regular intervals, often aligned with oil changes or as per manufacturer guidance. Hydraulic Fluid Change: Typically every 1000-1500 operating hours, or as indicated by fluid analysis. Fluid Specifications Engine Oil: API CD or CE classification, SAE 15W-40 is common for diesel engines in this era. Hydraulic Transmission Fluid: Ford/New Holland FNHA-2-C.201 or equivalent universal tractor transmission fluid (UTTO). Coolant: Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Known Issues Electrical Connections: Corrosion or loose connections in wiring harnesses, particularly in agricultural environments. Hydraulic Leaks: Wear in seals and O-rings for hydraulic cylinders and hoses can lead to leaks. Starter Solenoid: Failure of the starter solenoid can prevent engine cranking. Part Number Reference Engine Oil Filter: Specific part number for the engine oil filter would be found within the manual. Fuel Filter Primary: Specific part number for the primary fuel filter would be found within the manual. 📚 Vehicle History Brand Heritage Ford Tractor Legacy: Builds upon Ford's extensive history in agricultural machinery, dating back to Henry Ford's early tractor experiments and the iconic Fordson. Model Evolution Predecessors: Part of the evolution from early models like the 9N, 8N, and the 100/101 series, leading to more modern designs. Production Era: Likely produced during the late 1980s to early 1990s, following the 1000 series and preceding newer global tractor designs.