This workshop manual provides comprehensive guidance for the tractor models 50, 80, 90-500, 800, and 900. These robust agricultural tractors, developed and produced since the 1960s and 1970s, are renowned for their durability, simplicity, and cost-effectiveness, making them a staple in agricultural operations worldwide. With diesel engines typically ranging from 50 to 100 horsepower and featuring manual transmissions with multiple speed ranges, these tractors are engineered for demanding tasks. Their global market reach, particularly in regions valuing reliability and ease of maintenance, underscores their enduring utility and widespread adoption. This factory workshop manual serves as an essential resource for professional technicians, mechanics, workshops, and DIY enthusiasts. It offers detailed, factory-level technical information covering all mechanical, electrical, and hydraulic systems, including the engine, transmission, powertrain, steering, braking, and electrical systems. The manual provides step-by-step repair and overhaul procedures, diagnostic guides for common issues, and crucial technical data such as torque specifications and fluid requirements. Its purpose is to empower users to effectively maintain, diagnose, troubleshoot, and repair these tractors, ensuring optimal performance and longevity. 🏷️ Basic Information Identification Make: Belarus (MTZ) Model: MTZ 50, MTZ 80, MTZ 90-500, MTZ 800, MTZ 900 Product Type: Workshop Manual Application: Service, Repair, Maintenance, Restoration, Diagnosis, Troubleshooting Target Audience: Professional Technicians, Mechanics, Workshops, DIY Enthusiasts 👋 Introduction Market Position Market Niche: Essential documentation for owners and operators of robust, widely used agricultural tractors Competitive Analysis Value Proposition: Provides professional-level repair and maintenance guidance, enabling cost savings for users Key Features Feature Highlight: Original manufacturer documentation, detailed step-by-step instructions, comprehensive troubleshooting support Usage Benefit: Empowers users to perform repairs and maintenance effectively, maximizing tractor uptime and longevity 📋 Manual Details Coverage Areas Coverage: Comprehensive coverage of all mechanical, electrical, and hydraulic systems Page Count Page Count: Not specified, but potentially large (up to 5GB file size) Manual Type Manual Type: Factory/Official Workshop Manual / Service Guide / Repair Manual Language Language: English Format Format: Digital Download (PDF, potentially ZIP or RAR compressed) Accessibility Platform Compatibility: Windows, Linux, Mac (via PDF reader) Delivery Method: Instant Download Download Window: 3 days after payment Printing Restriction: No restrictions on printing or saving to disc 📖 Manual Coverage Systems Covered Engine: Detailed breakdowns, troubleshooting, repair procedures for diesel engines Transmission: Repair, adjustment, and troubleshooting of gearboxes and related components Powertrain: Clutch, differential, drive axles, PTO (Power Take-Off) systems Hydraulic System: Hydraulic pump, cylinders, control valves, hydraulic lifts, external hydraulic connections Steering: Power steering system components, adjustments, and repair Braking System: Brake mechanism, hydraulic lines, adjustments, and maintenance Electrical System: Wiring diagrams, starter, alternator, lighting, battery, control units Cooling System: Radiator, thermostat, water pump, fan, coolant specifications Fuel System: Fuel injection pump, injectors, filters, fuel tank, troubleshooting Pneumatic System: Air compressor (if equipped), air brake system components Chassis And Frame: Frame inspection, maintenance, component replacement Cab And Controls: Operator station, controls, dashboard indicators, seating Front Axle And Steering: Front axle components, steering linkage, wheel alignment Procedures Included Maintenance: Scheduled maintenance, lubrication points, fluid changes, filter replacements Troubleshooting: Diagnostic guides for common problems, fault finding procedures Repair: Step-by-step instructions for component removal, overhaul, and reassembly Overhaul: Complete engine, transmission, and hydraulic system rebuild procedures Adjustments: Precise adjustment procedures for clutch, brakes, steering, and other systems Diagnostics: Methods for identifying and resolving operational issues across all systems Technical Depth Depth: Detailed, factory-level technical information for comprehensive repair and maintenance Illustrations: Clear, step-by-step illustrated instructions, including exploded views and diagrams Technical Data: Torque specifications, clearances, timing settings, tolerances 📊 Manual Specifications File Format File Type: PDF File Size: Potentially up to 5 GB Compression: May be compressed (requires WinZip/WinRAR) Print Quality Readability: High quality, zoomable illustrations and text Binding Type Binding: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (various inline-4 and inline-6 configurations depending on model) Engine Family: Typically D-240, D-243, D-245 series Performance Horsepower Range: Approximately 50 HP (MTZ 50) to 80-100 HP (MTZ 80/800/900 variants) Torque Delivery: Designed for high low-end torque suitable for agricultural applications Fuel System Fuel Injection: Mechanical inline injection pump (e.g., DPA or similar). Fuel Type: Diesel Fuel Cooling System Coolant Type: Antifreeze/Coolant mixture (specific types detailed in manual) Lubrication Engine Oil Type: API CD/CE or similar diesel engine oil (specific viscosity grades provided in manual) 🔧 Transmission Standard Transmission Type: Manual transmission with multiple speed ranges Gear Configuration: Typically 8-speed or 16-speed gearbox with a synchronized main gearbox and a splitter (e.g., range selector) Optional Optional Features: Some models may feature creeper gears or specific PTO configurations Features Transmission Oil: GL-4 or GL-5 rated gear oil (specific viscosity and capacity detailed in manual) Clutch Type: Dry, single-plate or double-plate clutch 📐 Dimensions Exterior Overall Length: Varies by model, typically around 3.9-4.1 meters Overall Width: Varies by model, typically around 1.9-2.1 meters Wheelbase: Varies by...