1960-1963 David Brown 850, 880, 950, 990, Industrial & Crawler Tractors Repair Manual
For 850, 880, 950, 990 Series Industrial & Crawler Tractors: includes engine, transmission, hydraulic system, steering, electrical, and accessories. Ref: DBT. 445
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Models Covered & Key Technical Specifications
David Brown 850, 880, 950, 990 Series, Industrial & Crawler Tractors Repair Manual: 1960-1963 OEM-Documentation David Brown 850, 880, 950, 990 Series (DBT. 445) -- 1960-1963. Operational Documentation | Segment. Factory Output Rating: 13-7.4 gal/min (49.5-28 L/min) establishes the maximum hydraulic fluid delivery rate. Essential Cooling Specs: 180°F (82°C) defines the optimal operating temperature for the engine. Key Print Rate: 1800 rev/min is the maximum rated engine speed for consistent operation. Primary Precision Specs: 35 ft. lbs (47 Nm) is the specified torque for the cylinder head bolts. General Load Capacity: 4312 lb (1960 kg) represents the maximum total weight for Livedrive models. Integral Lock Torques: 100 lb ft (13.83 kg m) is the torque for gearbox mounting bolts.
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David Brown 850, 880, 950, 990 Series, Industrial & Crawler Tractors Repair Manual: 1960-1963 OEM-Documentation
| Architecture-Focus: David Brown 850/880/950/990 Series Tractors // Serial-Range: 1960-1963 / Tractor Logic // Performance-Values: Official Documentation. | Component | Operational-Logic | Context |
|---|---|---|---|
| Engine | Lubrication & Cooling Systems | Specifications for optimal engine performance and longevity. | |
| Transmission | Gearbox Operation | Detailed diagrams and procedures for gearbox and differential servicing. | |
| Hydraulic System | Implematic System | Covers pump, valve assemblies, and ram cylinder operations for hydraulic lift. | |
| Steering | Front Axle & Steering | Maintenance and adjustments for steering box and front axle components. | |
| Electrical System | Batteries & Starting | Information on batteries, diesel and kerosene starters, and dynamo systems. | |
| Brakes | Brake Systems | Procedures for exhaust brake units and associated linkage adjustments. |
Technical content addresses engine, transmission, hydraulic systems, steering, electrical components, and brake systems for the David Brown 850, 880, 950, and 990 Series tractors. This manual details procedures for maintenance, adjustments, and repair. It includes diagrams and specifications to aid in troubleshooting and servicing. The document also covers dimensional data and tightening torques for critical components. Consistently calling for proper maintenance ensures the longevity and performance of these iconic tractors.
Procedures Explained
The manual covers various procedures, including engine overhaul, transmission servicing, hydraulic system repair, and electrical system troubleshooting. It guides the user through disassembly, inspection, and reassembly of key components.
Specifications Provided
Detailed specifications are included for engine, transmission, hydraulic, and electrical systems. These specifications, such as torque values and clearances, are crucial for correct assembly and performance.
Systems Documented
The document thoroughly documents the engine, transmission, hydraulic lift, steering, and electrical systems. It provides a comprehensive overview of each system's operation and maintenance requirements.
This manual documents torque specifications for various components to ensure proper structural misalignment prevention.
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