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David Brown

David Brown 850 880 950 990 Series Implematic Tractor Complete Workshop Service Repair Manual

David Brown 850 880 950 990 Series Implematic Tractor Complete Workshop Service Repair Manual

$16.99
$16.99
Alennusmyynti Loppuunmyyty
Toimituskulut lasketaan kassalla.
Vehicle data plateRef 70164
Brand
David Brown
Vehicle
Tractors
Models covered
850, 850 Implematic, 880, 950, 990, Agriculture
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
David Brown
Model:
850, 880, 950, 990 Series Implematic
Product Type:
Complete Workshop Service Repair Manual
👋 Introduction
Market Position
Market Position:
Essential documentation for owners and mechanics of David Brown 850, 880, 950, and 990 Series Implematic tractors, enabling cost-effective self-maintenance and repair.
Competitive Analysis
Competitive Analysis:
This manual provides the crucial technical details that allow users to bypass the need for expensive dealer servicing, making it a highly valuable resource for maintaining these classic agricultural machines.
Key Features
Key Features:
Comprehensive coverage, step-by-step instructions, clear diagrams and pictures, instant delivery, multi-device compatibility, printable format, lifetime ownership.
📋 Manual Details
Coverage
Coverage Areas:
All service and repair procedures A-Z, all models, engines, trim, and transmission types.
Page Count
Page Count:
Not explicitly stated, but described as 'complete' and 'covers all repair procedures A-Z'.
Manual Type
Manual Type:
Workshop Service Repair Manual
Language
Language:
English (assumed based on description language)
Format
Format:
PDF Download
📖 Manual Coverage
Systems Covered
Systems Covered:
Engine, Fuel System, Cooling System, Lubrication System, Electrical System, Ignition System, Clutch, Transmission (Gearbox), Final Drive, Rear Axle, Power Take-Off (PTO), Hydraulic System (including Implematic linkage), Steering System, Braking System, Front Axle, Chassis, Bodywork, Controls, Instrumentation, Troubleshooting.
Procedures Included
Procedures Included:
Step-by-step instructions for all servicing and repair jobs, diagnostics, adjustments, overhauls, rebuilds, component replacement, and scheduled maintenance.
Technical Depth
Technical Depth:
Comprehensive, from basic maintenance and adjustments to complete engine and transmission rebuilds, hydraulic system diagnostics and repair, and electrical system troubleshooting.
Diagnostics
Diagnostic Procedures:
Includes procedures for diagnosing common mechanical, hydraulic, and electrical faults, often with flowcharts or symptom-based troubleshooting.
Rebuilds
Engine Rebuild Details:
Detailed instructions for engine disassembly, component inspection (e.g., cylinder bore, crankshaft journals), fitting new parts, and reassembly, including bearing clearances and ring end gap specifications.
Transmission Rebuild Details:
Comprehensive guide for gearbox disassembly, inspection of gears, shafts, bearings, and synchromesh components, along with assembly procedures and lubrication points.
Hydraulic System
Hydraulic System Coverage:
In-depth coverage of the Implematic hydraulic pump, control valve, lift arms, draft control system, and associated pipework and seals.
Electrical System
Electrical System Diagrams:
Includes wiring diagrams for lighting, starting, charging, and instrumentation systems, with component identification.
Torque Specifications
Torque Settings Engine:
Specific torque values for critical engine fasteners such as cylinder head bolts, connecting rod bolts, main bearing caps, and flywheel nuts.
Torque Settings Transmission:
Torque specifications for transmission case bolts, differential housing, and other drivetrain components.
Parts Identification
Parts Identification Details:
While not a parts catalog, the manual will identify key components and their functions, aiding in parts ordering.
Technical Data Tables
Technical Data Tables:
Likely includes tables for engine specifications, fluid capacities, bearing clearances, and other essential technical data.
Schematics
Schematics Included:
Flow diagrams for hydraulic systems and electrical schematics are standard in such manuals.
📊 Manual Specifications
File Format
File Format:
PDF
Print Quality
Print Quality:
High Quality, supports printing of individual pages, chapters, or the entire manual.
Binding Type
Binding Type:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
Software Requirements
Software Requirements:
Adobe Reader (or compatible PDF reader)
⚙️ Engine Specifications
Primary Engine
Engine Type:
David Brown diesel engines (typically AD4/45, AD4/55, AD4/65 variations across models).
Performance
Horsepower Range:
Varies by specific model and engine variant (e.g., 850 series typically 35-45 HP, 950/990 series 45-65 HP).
Torque Specifications:
Detailed torque settings for critical engine components (e.g., cylinder head bolts, main bearing caps) will be found within the manual.
Fuel System
Fuel System Type:
Direct injection diesel, typically utilizing Simms or CAV fuel injection pumps.
Lubrication System
Oil Capacity Approx:
Capacity details and oil type specifications (e.g., API CD or equivalent) will be provided for each engine variant.
Cooling System
Cooling System Type:
Water-cooled, pressurized system with a thermostat.
Maintenance
Valve Clearance Spec:
Precise cold valve clearance specifications for intake and exhaust valves will be detailed for each engine.
🔧 Transmission
Standard
Transmission Type:
David Brown designed constant mesh gearbox with a multi-speed range selector.
Optional
Optional Features:
Some models may have offered creeper gears or alternative PTO options.
Features
Implematic System:
The manual covers the operation, maintenance, and repair of the 'Implematic' hydraulic draft control and linkage system, a key feature of these tractors.
Maintenance
Transmission Fluid Type:
Specific recommendations for transmission and hydraulic oil (e.g., SAE 80W/90 GL-4 or dedicated tractor hydraulic fluid) will be detailed.
📐 Dimensions
Exterior
Wheelbase:
Varies by specific model, but generally in the range of 75-85 inches (approx. 1900-2150 mm).
Weights
Operating Weight Approx:
Typically ranges from 3500 to 4500 lbs (approx. 1590 to 2040 kg), depending on configuration.
🛡️ Safety Features
Ratings
Safety Ratings:
N/A (Tractor safety standards and ratings were different during their production era compared to modern vehicles).
Active Features
Active Safety Features:
Basic mechanical braking system, differential lock (optional/standard on some models).
Passive Features
Passive Safety Features:
Operator controls layout and basic guarding. The manual will detail safe operating procedures.
💡 Technology Features
Infotainment
Infotainment System:
N/A (Basic mechanical controls and instrumentation).
Driver Assistance
Driver Assistance Features:
N/A (Focus on mechanical operation and basic safety features).
Connectivity
Connectivity Options:
N/A
🔧 Maintenance
Service Intervals
Engine Oil Change Interval:
Typically every 100-250 operating hours, with specific details provided in the manual.
Air Filter Service Interval:
Regular checks and cleaning/replacement based on operating conditions, with specifications in the manual.
Fluid Specifications
Engine Oil Specification:
API CD or equivalent diesel engine oil, viscosity grade dependent on ambient temperature (e.g., SAE 20W-30, SAE 30, SAE 10W-30).
Coolant Specification:
Water mixed with antifreeze (ethylene glycol based) in the correct ratio for temperature and corrosion protection.
Hydraulic Fluid Specification:
Often shared with transmission oil; specific grades like SAE 80W/90 or specialized tractor hydraulic fluids will be detailed.
Known Issues
Common Issues:
Wear in the Implematic hydraulic system (leaks, sluggishness), clutch wear, potential for engine wear (e.g., piston rings, bearings) due to age, electrical system reliability.
Troubleshooting
Troubleshooting Guidance:
The manual provides comprehensive troubleshooting charts and procedures for common problems across all major systems.
📚 Vehicle History
Brand Heritage
Brand Heritage:
David Brown Tractors, a British manufacturer renowned for robust and reliable agricultural machinery, formed part of the Tenneco conglomerate later.
Model Evolution
Model Evolution:
The 850, 880, 950, and 990 series represented a significant evolution in David Brown's tractor line, incorporating hydraulic systems like the Implematic and developing more powerful diesel engines.
Production
Production Period:
These models were primarily produced from the late 1950s through the 1960s.
Manufacturing Locations
Manufacturing Locations:
United Kingdom.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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