BELARUS MTZ 50, 80, 90, 500, 800, 900 Workshop Repair Manual

Field service reference for BELARUS MTZ 50, 80, 90, 500, 800, 900: engine diagnostics, fuel system, lubrication, cooling system. P/N: TM112.

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Document Details

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Document Number / Seller:
30095 / William Murphy
File Size:
27.97 MB
File Type:
PDF
Language:
English
Pages:
241
Printable:
Yes
Category:
Tractor
Last updated / verified
Dec 10, 2025

Models Covered & Key Technical Specifications

BELARUS MTZ 50, 80, 90, 500, 800, 900 (TM112) – Workshop Repair Manual

Engine Diagnostics & Repair | Tractor Section.

  • System Capacity Limits: 700 rpm establishes the maximum engine speed Parameters.
  • Core Capacity Limits: For optimal operation, 13.2-14.1V defines the seasonal voltage Range.
  • Specific Capacity Limits: 4.75 L -- signifies the total engine displacement Threshold.
  • Critical Capacity Limits: The engine coolant temperature requires 80 C for standard operation Logic.
  • Universal Capacity Limits: Maximum torque reaches 280 N-m Requirements.
  • Calibrated Capacity Limits: The cooling system defines the recommended coolant volume Baseline.

Professional Workshop Service Manual & Technical Specifications

BELARUS MTZ 50, 80, 90, 500, 800, 900 Workshop Repair Manual: Tractor BELARUS MTZ 50, 80, 90, 500, 800, 900 – Comprehensive Workshop Manual Knowledge-Base

Component-Focus: MTZ 50, 80, 90, 500, 800, 900 | Technical-Benchmarks: Tractor / Engine Logic | Service-Level: Comprehensive technical-details.

Service-Nexus System-Path Framework
Engine Systems Drive Train Component Diagrams
Fuel & Lubrication Electrical System Repair Procedures
Cooling & Exhaust Transmission Troubleshooting Guides

Repair data is categorized into the following sections: Engine and its modifications, Fuel System, Lubricating System, Cooling System, Thermostat, and Water Pump. The manual documents torque specifications for engine components to ensure proper bolt stretch prevention.

The Engine section documents the technical data and modifications for various BELARUS diesel engines, including detailed illustrations.

The troubleshooting chapter addresses common issues related to the fuel and lubrication systems, providing diagnostic insights.

Cooling system maintenance is addressed in sections detailing the thermostat and water pump components and their servicing.

Testing requirements are specified for the electrical system, including wiring diagrams and component identification.

Clearance measurements are addressed for various mechanical components within the transmission and drive train.

FAQ

Check the **standard** component identification keyboard_arrow_down

105 mm is the maximum allowable clearance for the oscillating axle and frame bushings.

What does the **necessary** adjustment procedures keyboard_arrow_down

0.0008 to 0.022 in. (0.25 to 0.55 mm) is the specified backlash for the pinion and ring gears.

Reference the **recommended** pressure specifications keyboard_arrow_down

105 N-m is the recommended torque for the rear axle housing bolts during reassembly.

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Reviews (5)

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Rated 5 out of 5 stars
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Had a question about the download link, and their support team was very helpful and quick to respond!
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The manual is incredibly detailed and easy to follow. Perfect for both beginners and seasoned mechanics!
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This workshop manual has saved me so much time and money. The troubleshooting section is particularly helpful!
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Rated 4 out of 5 stars