David Brown 850, 880, 950, 990 Series, Industrial & Crawler Tractors Repair Manual 1960-1963
Product Gallery
Sample pages from the David Brown 850, 880, 950, 990 Series, Industrial & Crawler Tractors Repair Manual 1960-1963 manual
Purchase Information
1960-1963 David Brown 850, 880, 950, 990, Industrial & Crawler Tractors Repair Manual - Technical Specifications
- Document Number / Seller:
- 30160 / Carol Brown
- File Size:
- 18.60 MB
- File Type:
- Language:
- English
- Pages:
- 162
- Printable:
- Yes
- Estimated Download Time:
- 0.38 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Tractor
- Brand:
- David Brown
- Reviewed and Approved:
- Dec 22, 2025
David Brown Models and Parts Covered in this Tractor Manual
- 850 Implematic (1961)
- 850 Implematic Livedrive (1961)
- 850 Implematic Narrow (1961)
- 850 Implematic Livedrive Narrow (1961)
- 880 Implematic (1962)
- 880 Implematic Livedrive (1962)
- 880 Implematic Narrow (1962)
- 880 Implematic Livedrive Narrow (1962)
- 900 Livedrive (1960)
- 900 Non-Livedrive (1960)
- 950 Livedrive (1961)
- 950 Non-Livedrive (1961)
- 950 Implematic (1961)
- 950 Implematic Livedrive (1961)
- 990 Implematic (1962)
- 990 Implematic Livedrive (1962)
- 990 Industrial (1963)
- 40TD Crawler Tractor (1961)
- Taskmaster Industrial Tractor (1961)
- Turbo Taskmaster Industrial Tractor (1961)
Complete Manual Information
David Brown 850, 880, 950 & 990 Series Tractor Repair Manual (1960-1963)
Whether you are a professional agricultural engineer or a dedicated tractor restorer, the David Brown 850, 880, 950, and 990 Series Repair Manual is your definitive workshop companion. This comprehensive guide covers the iconic Implematic and Livedrive models, providing the technical depth required for everything from routine maintenance to complete engine overhauls.
Originally published by David Brown Technical Publications, this manual assumes a base level of mechanical competence and focuses on essential, practical instructions for the dismantling, repair, and reassembly of these classic British machines.
Comprehensive Model Coverage
This manual is specifically designed for the following models and configurations:
- 850 Series: Implematic, Livedrive, and Narrow versions (AD4/36A & B engines).
- 880 Series: Implematic, Livedrive, and Narrow models (AD4/40T & U engines).
- 950 Series: Implematic and Livedrive (AD4/40T & U engines).
- 990 Series: Implematic and Livedrive (AD4/47A & B engines).
- Specialty Models: Includes the 40TD Crawler Tractor, Taskmaster Industrial, and Turbo Taskmaster Industrial tractors.
What's Inside the Workshop Manual
- Engine Mastery: Full teardown and rebuild procedures for the AD4 series diesel engines. Detailed sections on timing cases, camshaft synchronization, and cylinder sleeve replacement.
- Clutch Systems: Expert guidance on the Single Plate (Non-Livedrive), Double Clutch (Livedrive), and Twin Plate (990 Industrial) systems.
- Implematic Hydraulic System: In-depth analysis of the unique David Brown hydraulic lift, including traction control units (T.C.U.), depth control valves, and external hydraulic service setups.
- Transmission & Differential: Complete service instructions for the high/low range gearboxes and the Implematic differential lock system.
- Steering & Front Axle: Procedures for maintaining steering boxes and front axle trunnion brackets.
- Electrical & Accessories: Wiring diagrams and service tips for generators, starters, and the tractormeter drive.
Technical Value for Professionals
This manual is packed with critical data that ensures your repairs meet original factory specifications:
- Serial Number Identification: Includes serial number ranges for model year identification, such as 950 Implematic (63000 onwards), 850 Implematic (300000 onwards), and the 990/A/440,001 onwards.
- Torque Specifications: Precise values for cylinder head bolts (90 lb ft), main bearing bolts (60-85 lb ft), and connecting rod big end bolts (40 lb ft).
- Dimensional Data: Detailed clearances for piston rings (0.010-0.015 in. gap), valve stems, and crankshaft journals (Standard and Undersizes).
- Design Changes: A "Summary of Design Changes" log tracks modifications like the transition from banjo to union nut injector connections or changes in oil filter mounting.
Optimized for Use
This guide is structured for efficiency. Each section is meticulously indexed, and the text is supported by high-quality technical drawings and sectional arrangements (like the detailed D.P.A. Injection pump and Hydraulic Valve diagrams). The layout is clear and readable, making it easy to reference even when you are working in the shop or out in the field.
Invest in the reliability of your David Brown tractor with a manual that provides everything from "Initial Setting" to "Final Troubleshooting".
Download Instructions for David Brown Tractor Manual
Frequently Asked Questions - David Brown Tractor Manual
What does this David Brown manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for David Brown 850, 880, 950, 990 Series, Industrial & Crawler Tractors Repair Manual 1960-1963. It includes information for the following models: - 850 Implematic (1961) - 850 Implematic Livedrive (1961) - 850 Implematic Narrow (1961) - 850 Implematic Livedrive Narrow (1961) - 880 Implematic (1962) - 880 Implematic Livedrive (1962) - 880 Implematic Narrow (1962) - 880 Implematic Livedrive Narrow (1962) - 900 Livedrive (1960) - 900 Non-Livedrive (1960) - 950 Livedrive (1961) - 950 Non-Livedrive (1961) - 950 Implematic (1961) - 950 Implematic Livedrive (1961) - 990 Implematic (1962) - 990 Implematic Livedrive (1962) - 990 Industrial (1963) - 40TD Crawler Tractor (1961) - Taskmaster Industrial Tractor (1961) - Turbo Taskmaster Industrial Tractor (1961).
Is this manual suitable for beginners?
Yes, this David Brown manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Tractor maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (18.60 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your David Brown Tractor manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Does this include hydraulic system information?
Yes, this equipment manual covers hydraulic system operation, maintenance procedures, and troubleshooting for your David Brown machinery.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
Customer Reviews and Feedback
Read what our customers say about this David Brown Tractor manual and share your own experience.
Add Comment
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
- Your name, rating, website address, town, country, state and comment will be publicly displayed if entered.
- Aside from the data entered into these form fields, other stored data about your comment will include:
- Your IP address (not displayed)
- The time/date of your submission (displayed)
- Your email address will not be shared. It is collected for only two reasons:
- Administrative purposes, should a need to contact you arise.
- To inform you of new comments, should you subscribe to receive notifications.
- A cookie may be set on your computer. This is used to remember your inputs. It will expire by itself.
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
- Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
- You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
- You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
- The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments (2)