🏷️ Basic Information Identification Make: Ford New Holland Model: 6640 Tractor Model Variants: SL, SLE Product Type: Tractor Generation Generation: 40 Series 👋 Introduction Market Position Tractor Class: Mid-range utility tractor, suitable for a variety of farm and agricultural tasks. Competitive Analysis Competitors: Competed with models from manufacturers like John Deere, Massey Ferguson, and Case IH in its class. Key Features Versatility: Designed for versatility in field work, transport, and power take-off (PTO) applications. Cabin Options: Available in ROPS (Roll Over Protective Structure) or factory-fitted cab configurations for operator comfort and protection. Sl Sle Designation: SL (Standard Lift) and SLE (Super Lift) likely refer to variations in hydraulic lift capacity or specific transmission options, with SLE variants typically offering higher performance or advanced features. 📋 Manual Details Coverage Areas Engine: Maintenance, Troubleshooting Transmission: Maintenance, Troubleshooting Hydraulics: Maintenance, Troubleshooting Electrical System: Maintenance, Troubleshooting Chassis And Frame: Maintenance Operator Controls: Operation, Maintenance Safety Features: Operation, Maintenance Lubrication: Routine Schedules, Specifications Front Axle: Maintenance Rear Axle: Maintenance Brakes: Maintenance Steering: Maintenance Power Take Off Pto: Maintenance Hitches: Maintenance Instrumentation: Operation Cab Operation: Included (for tractors with cab) Page Count Estimated Page Count: N/A (Digital Format) Manual Type Type: Owner's Manual / Operators Manual / Maintenance Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Maintenance: Includes routine checks, fluid changes, filter replacements, and basic troubleshooting. Transmission Maintenance: Covers gearbox lubrication, hydraulic fluid checks, and basic operational guidance. Hydraulic System: Details on hydraulic fluid levels, filter changes, and common operational checks for the lift system and auxiliary hydraulics. Electrical System: Information on battery maintenance, fuse checks, and basic lighting system operation. Cooling System: Guidance on coolant levels and radiator care. Fuel System: Basic checks for fuel filters and general maintenance advice. Lubrication Points: Comprehensive diagrams and schedules for greasing and oiling all critical components. Filters: Details on oil, fuel, and hydraulic filter types and replacement intervals. Tires And Wheels: Information on tire inflation pressures and basic wheel maintenance. Operators Station: Guidance on controls, displays, and safety features within the operator's area. Procedures Included Routine Maintenance: Step-by-step instructions for daily, weekly, and monthly checks. First Service: Specific procedures and forms for the initial 50-hour service. Lubrication Schedule: Detailed chart outlining lubrication intervals and lubricant types. Fluid Replacement: Instructions for changing engine oil, hydraulic fluid, and transmission oil. Filter Replacement: Guidance on replacing oil, fuel, air, and hydraulic filters. Operator Safety: Crucial safety warnings, precautions, and operating guidelines. Troubleshooting: Basic guidance for identifying and rectifying common operational issues. Storage And Care: Recommendations for seasonal storage and general upkeep. Technical Depth Depth: Comprehensive owner and routine maintenance level, suitable for operators and basic service personnel. Does not cover advanced engine overhaul or complex hydraulic system rebuilds without further specialized manuals. 📊 Manual Specifications File Format Format Details: PDF (Portable Document Format) Print Quality Quality Description: Improved quality PDF with searchable text, bookmarks, and index. Designed for clarity and ease of viewing. Can be zoomed and printed. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Format) Compatibility Device Compatibility: All versions of Windows, Mac, iOS, BB, Android, etc. Requires PDF reader software. ⚙️ Engine Specifications Primary Engine Engine Make Model: Ford New Holland / Fiat Powertrain Technologies (FPT) Engine (Specific model number not provided in product info, but typically a 4-cylinder diesel) Engine Type Type: Diesel Displacement Displacement Approximate: Approximately 3.9 Liters (236 cubic inches) - Common for this series. Performance Horsepower Rated: Typically in the 70-85 PTO horsepower range (exact figure varies by specific model variant and engine tuning). Torque Peak: Engine torque figures vary, but generally designed for strong low-end torque for pulling applications. Fuel System Fuel Type: Diesel Fuel Injection Type: Typically direct injection, possibly with rotary or inline injection pumps. 🔧 Transmission Standard Type: Likely a mechanically controlled transmission with multiple forward and reverse gears. Options could include 8x2, 8x8, or 16x16 powershift transmissions. Optional Options: Possible options for synchronized shifters or powershift transmission variants (e.g., Electro-Shift). Features Pto Options: Standard PTO speeds (e.g., 540/1000 RPM) and potentially ground speed PTO. Differential Lock: Usually equipped with a rear axle differential lock for improved traction. 📐 Dimensions Exterior Wheelbase: Varies by configuration, but typically around 85-90 inches (2150-2300 mm). Weights Operating Weight Approximate: Around 5,000 - 6,500 lbs (2270 - 2950 kg) without ballast, depending on configuration (cab, loader, etc.). 🛡️ Safety Features Ratings Rollover Protection: ROPS certified structure included or available; cab provides enhanced protection. Active Features Braking System: Hydraulic wet disc brakes, known for reliability and effectiveness. Passive Features Seatbelt: Operator seatbelt is a standard safety feature, especially with ROPS or cab. Lighting: Includes headlights, taillights, and work lights for visibility. 💡 Technology Features Infotainment Features: Primarily focused on operational functionality. Cabin models may include basic radio and heating/ventilation systems. Driver Assistance Features: Basic PTO...