This manual covers the Belarus/MTZ MTZ 50, MTZ 80, MTZ 90, MTZ 500, MTZ 800, and MTZ 900 Series tractors. These robust machines, originating from the Minsk Tractor Works, have been a staple in global agriculture and heavy-duty applications since their introduction in the 1960s and 1970s. Known for their durability, simplicity, and cost-effectiveness, these tractors are built to withstand demanding work environments. The MTZ 50 series, followed by the significantly updated MTZ 80 series and subsequent iterations, represent decades of reliable performance and evolutionary refinements, making them essential workhorses for countless operations.
The purpose of this comprehensive workshop service repair manual is to provide detailed technical information for the maintenance and repair of all Belarus MTZ 50, 80, 90, 500, 800, and 900 series tractors. It covers all service and repair procedures from A to Z for all models, engines, trim types, and transmission types. This manual includes step-by-step instructions, troubleshooting guides, diagnostic procedures, routine maintenance schedules, component replacement instructions, adjustments, overhaul procedures, repair techniques, and detailed diagrams and specifications. Its scope extends from basic maintenance to complete engine and transmission rebuilds, empowering owners and technicians to effectively maintain and repair these dependable tractors.
Model:
MTZ 50, MTZ 80, MTZ 90, MTZ 500, MTZ 800, MTZ 900 Series
Product Name:
Belarus MTZ 50 MTZ 80 MTZ 90 500 800 900 Series Tractor Complete Workshop Service Repair Manual
Market Position:
Essential documentation for owners and technicians of Belarus MTZ 50, 80, 90 and their respective 500, 800, 900 series variants, widely used in agriculture and heavy-duty applications globally.
Competitive Analysis:
This manual provides in-depth technical information, often exceeding that found in basic operator's manuals, enabling significant cost savings on repairs and maintenance by empowering users to perform their own work.
Key Features:
Step-by-step instructions, clear photographic illustrations, comprehensive troubleshooting, detailed specifications, broad model coverage, digital accessibility.
Coverage Areas:
All service and repair procedures A-Z, all models, all engines, all trim types, all transmission types
Manual Type:
Complete Workshop Service Repair Manual
Format:
Digital Download (PDF)
Print Capability:
Printable (single page, chapter, or entire manual)
Device Compatibility:
PC, MAC, Tablets, Smartphones
Software Requirements:
Adobe Reader (free download)
Delivery Method:
Instant Email Delivery upon payment confirmation
Customer Guarantee:
Customer Satisfaction Guaranteed
Systems Covered:
Engine Mechanical, Fuel System, Lubrication System, Cooling System, Electrical System, Ignition System, Starting System, Charging System, Transmission, Clutch, Drive Axles, PTO (Power Take-Off), Hydraulic System, Steering System, Braking System, Chassis, Front Axle, Rear Axle, Power Steering, Control Systems, Operator's Station, Bodywork, Wiring Diagrams, Troubleshooting, Specifications, Maintenance
Procedures Included:
Complete disassembly and assembly, troubleshooting guides, diagnostic procedures, routine maintenance, component replacement, adjustments, overhaul procedures, repair techniques, technical tips
Technical Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed diagrams and specifications
Searchable Text:
Yes (Assumed for standard PDF)
Resolution:
High Quality (Assumed for professional service manual)
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Family:
Belarus D-240 Series Diesel (Common across MTZ 50/80/800/900 Series, with variations)
Engine Type:
Inline 4-Cylinder, Naturally Aspirated Diesel (D-240 series), Inline 6-Cylinder Diesel (D-260 series for some higher horsepower models)
Bore Stroke D240:
110 mm x 120 mm (approximate for D-240 variants)
Displacement D240:
4.75 Liters (approximate for D-240 variants)
Horsepower Mtz50:
50-55 HP (Approximate)
Horsepower Mtz80:
75-80 HP (Approximate)
Horsepower Mtz90:
90-95 HP (Approximate)
Fuel Injection Type:
Direct Injection with Inline Injection Pump (e.g., DEFA or similar)
Oil Type Recommendation:
API CD or CE equivalent, SAE 15W-40 (Consult manual for specific variant recommendations)
Cooling System Type:
Liquid Cooled
Transmission Type:
Manual Synchromesh Transmission
Gear Configuration:
Typically 8 forward speeds and 2 reverse speeds (with a creeper gear option on some models for 16F/4R)
Clutch Type:
Dry, Dual-Stage Clutch (for transmission and PTO operation)
Rear Axle:
Spool type differential with planetary final drives
Transmission Oil Type:
GL-4 SAE 80W-90 Gear Oil (Consult manual for specific variant recommendations)
Overall Length:
Varies by model, typically around 4000-4200 mm
Overall Width:
Varies by model, typically around 1900-2000 mm (adjustable rear track width)
Overall Height:
Varies by model, typically around 2450-2600 mm (to top of cab/platform)
Operating Weight:
Approximately 3,500 - 4,500 kg (Varies by model and configuration)
Front Axle Load:
Refer to manual for specific load ratings
Rear Axle Load:
Refer to manual for specific load ratings
Braking System:
Drum brakes (rear wheels), mechanical parking brake.
Operator Safety:
ROPS (Roll Over Protective Structure) often standard or optional depending on configuration and market; Seatbelt; Warning lights.
Crash Test Results:
N/A (Tractors are not typically subjected to passenger car crash testing standards; focus is on operational safety and stability.)
Infotainment Systems:
N/A (Tractors of this era focused on functionality, not infotainment. Operator's station is typically basic with essential controls.)
Driver Assistance Features:
N/A (Focus on mechanical and hydraulic systems. Features like power steering on some models are the extent of 'assistance'.)
Connectivity Features:
N/A
Electrical System Voltage:
12V
Lighting:
Basic headlights, taillights, and work lights typical for tractor operation.
Engine Oil Change Interval:
Typically every 250-500 operating hours (Consult manual for specific recommendations based on operating conditions and oil type)
Transmission Oil Change Interval:
Typically every 1000-1500 operating hours (Consult manual)
Hydraulic Oil Change Interval:
Typically every 1000-1500 operating hours (Consult manual)
Air Filter Maintenance:
Check and clean/replace as needed, typically based on operating environment (dust levels). Replace dry element when dirty, clean oil bath type as per manual.
Engine Coolant Type:
Ethylene Glycol based antifreeze mixed with distilled water (50/50 ratio recommended, check manual for specific freeze protection and additive requirements)
Engine Oil Capacity D240:
Approximately 12-15 Liters (Consult manual)
Transmission Hydraulic Oil Capacity:
Approximately 45-55 Liters (Integrated system for transmission, hydraulics, and differential lock, Consult manual)
Known Issues:
Potential issues include minor electrical gremlins due to wiring complexity, wear on clutch components with heavy use, hydraulic system leaks if not maintained, and starter motor reliability. The robustness of the drivetrain is generally high.
Preventative Maintenance Focus:
Regular lubrication of all grease points, checking and topping up all fluid levels, inspecting for leaks, cleaning radiators and air filters are crucial for longevity.
Brand Heritage:
Belarus Tractors are a product of the Minsk Tractor Works (MTZ), a major state-owned enterprise in Belarus with a long history of producing robust and reliable agricultural machinery for a global market.
Model Evolution:
The MTZ 50 and MTZ 80 series have been in continuous production for decades, evolving with upgrades in engine technology, transmission, hydraulics, and operator comfort, forming the backbone of many agricultural operations worldwide.
Production Period:
The MTZ 50 series began production in the early 1960s, followed by the significantly updated MTZ 80 series in the early 1970s. Subsequent iterations (500, 800, 900 series) represent further refinements and variations.
Manufacturing Location:
Minsk, Belarus
Recognitions:
While specific awards are not widely documented for individual tractor models, the MTZ 50/80 series are recognized globally for their durability, simplicity, and cost-effectiveness, making them workhorses in agricultural sectors for decades.
