🏷️ Basic Information Identification Make: Zetor Model: 6718, 6745, 6748 Model Type: Tractor (Industrial) 👋 Introduction Market Position Target Audience: Farm owners, agricultural contractors, industrial operators, maintenance workshops, and Zetor tractor enthusiasts. Key Features Visual Aid: Includes step-by-step instructions with accompanying pictures and detailed wiring diagrams. Ease Of Use: Designed for ease of understanding with clear, straightforward language. Problem Solving: Empowers users to diagnose and fix issues themselves, saving time and costs. Competitive Analysis Market Segment: Competed in the utility tractor segment against manufacturers like Belarus, Ursus, and other Eastern Bloc and Western European brands of similar horsepower and capability. 📋 Manual Details Coverage Coverage Areas: All models for stated years and all engine types; routine maintenance, service, and repair A-Z. Identification Manual Type: Service Repair Workshop Manual Language: English Format: PDF 📖 Manual Coverage Systems Covered Engine: Comprehensive engine overhaul, diagnostics, fuel system, lubrication, cooling, exhaust, intake systems. Transmission: Repair and adjustment of gearbox, clutch, drive axles, and power take-off (PTO). Hydraulics: Detailed procedures for hydraulic system maintenance, pump and cylinder repair, control valve adjustments. Electrical System: Complete wiring diagrams, starter, alternator, lighting systems, ignition, instrumentation troubleshooting. Braking System: Service and repair of brake mechanisms, hydraulic lines, and controls. Steering System: Repair and adjustment of steering box, linkages, and power steering (if applicable). Chassis And Body: Frame inspection, adjustments, fender, hood, and operator station repair. Front Axle Drive: Specific repair and maintenance procedures for the 4WD front axle, including differential, drive shafts, and hub components. Operator Station: Includes maintenance for controls, seating, dashboard, and operator comfort features. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, safety checks, pre-operation inspections. Diagnostic Troubleshooting: Step-by-step troubleshooting guides for common and uncommon problems, fault code interpretation (if applicable). Component Overhaul: Complete disassembly, inspection, repair, and reassembly of all major components. Technical Adjustments: Precise calibration and adjustment procedures for engine timing, valve lash, hydraulic pressures, brake settings. Rebuild Procedures: Detailed instructions for the complete overhaul of engines, transmissions, hydraulic pumps, and steering units. Technical Depth Depth: Comprehensive from basic maintenance to complete rebuilds, suitable for both novice and experienced technicians. Specifications Data: Includes critical torque specifications, clearances, wear limits, and diagnostic data essential for accurate repairs. 📊 Manual Specifications File Details File Format: PDF (Portable Document Format) Searchability: Likely text-searchable PDF, allowing quick navigation to specific topics. Print Quality: High-resolution, suitable for printing individual pages or the entire manual. Compatibility: Compatible with PC, MAC, and Linux operating systems. Delivery Method: Instant digital download upon payment confirmation. Digital Access: Provided digitally for immediate access, eliminating shipping delays and costs. Page Count Estimated Pages: While not explicitly stated, such comprehensive service manuals for tractors typically range from 500 to 1500+ pages due to the detailed nature of repairs and diagrams. ⚙️ Engine Specifications Primary Engine Manufacturer: Zetor (typically Zetor-designed engines) Engine Variants Engine Types: Manual likely covers various diesel engine configurations used across the 6718, 6745, and 6748 series (e.g., 4-cylinder, naturally aspirated). Fuel System Injection System: Mechanical direct injection (common for this era of Zetor tractors). Cooling System Type: Liquid-cooled (typically pressurized coolant system). Lubrication System Type: Pressurized wet-sump lubrication system. Performance Horsepower Range: Engine power typically ranged from approximately 55 HP to 70 HP for the common engine variants used in these models. 🔧 Transmission Gearbox Type: Manual constant-mesh gearbox with multiple forward and reverse gears. Likely a synchronized or unsynchronized main gearbox with a range splitter. Clutch Type: Single or dual-plate dry clutch, operated by foot pedal. Drive Layout Configuration: 6718: 2WD; 6745/6748: 4WD (Four-Wheel Drive). Pto Features: Rear Power Take-Off (PTO) system, likely with multiple speeds (e.g., 540 RPM, 1000 RPM) and ground speed PTO. 📐 Dimensions Weights Operating Weight: Typically ranges from 2,500 kg to 3,500 kg depending on configuration and drive type. Front Axle Load: Varies based on 2WD/4WD configuration, crucial for stability and traction. Towing Capacity: While not a primary specification, the tractor's robust chassis supports significant towing loads, detailed in operational guides. Dimensions Wheelbase: Specifications vary, but generally around 2200-2300 mm for 2WD and slightly more for 4WD. 🛡️ Safety Features Active Features Braking: Hydraulic drum or disc brakes, depending on model variant and year. Parking brake mechanism. Passive Features Operator Protection: ROPS (Roll-Over Protective Structure) is a common feature, especially for later models or as an option. Seatbelt anchorage points. Operator Interface Controls: Ergonomic placement of levers and pedals for clutch, brakes, throttle, and PTO engagement. 💡 Technology Features Infotainment Features: Basic instrumentation: tachometer, oil pressure gauge, coolant temperature gauge, ammeter/voltmeter, fuel gauge. No modern infotainment systems. Driver Assistance Features: Mechanical linkages for controls. No electronic driver assistance systems typical of modern vehicles. Powertrain Management Control: Mechanical governor for engine speed control, manual throttle lever. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 250-500 operating hours, or annually. Specific intervals would be detailed in...