Need the factory owner's reference for your David Brown 990, 995, or 996? This 152-page operator manual (OEM #9-5101) is your complete field guide to all three tractors: instrument panel, Synchromesh transmission, Selectamatic hydraulic system, and every daily check in between. You get hydraulic schematics covering depth control, height control, and 3-way valve operation, plus wiring diagrams, a full maintenance schedule with routine service task tables, and operating procedures for gear selection, differential lock, PTO, and cold-weather starting. Travel speed tables for 10/49, 11/49, and 9/50 final drive ratios round out the Specification and Data section. Change engine oil every 125 hours, renew the filter at 250. Your tractor's down. Bookmarked by section; search any term on laptop, tablet, or phone and get straight back to it.
Complete the set for your 990, 995, 996
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What's Inside This David Brown 990, 995, 996 Operator Manual
| System | Pages | Key Topics |
|---|
| Safety Points | 2-4 | Safety Warnings and Operating Precautions |
| Serial Numbers | 5-9 | Serial Number Locations and Recording |
| Take Special Care of Your New Tractor | 10 | Initial Operation Guidelines, First Service (50/100 Hours) |
| Description and Operation -General | 15-30 | Instrument Panel, Levers and Pedals, Synchromesh Transmission, Starting and Stopping Engine, Seat Adjustment |
| Description and Operation | 31-48 | Selector Dial Pointer, Hand Lever, Sensing Unit, Depth Control, Height Control, 3-Way Valve |
| Section 3 ~ Adjustments and Settings | 49-64 | Linkage Settings (Stabilisers, Slotted Lift Rods, Drawbar, Pick-Up Hitch) |
| Regular Maintenance | 65-80 | Introduction, Table of Routine Service Tasks, Lubrication Chart, Fuel, Grease and Anti-Freeze Specifications, Approved Lubricants |
| Servicing Information | 81-116 | Introduction, Removal of the Bonnet |
| Specification and Data | 117-152 | Diesel Engine, Chassis, Lighting Equipment, Travel Speed Tables - 10/49 Final Drives, Travel Speed Tables - 11/49 Final Drives, Travel Speed Tables - 9/50 Final Drives, Accessories |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Fuel filter element replacement interval (first element) | 50 - 100 hours | p. 88 |
| Fuel filter element replacement interval (general, under good conditions) | at least 600 hours | p. 88 |
| Engine oil change interval | Every 125 hours | p. 72 |
| Engine oil filter renewal interval | Every 250 hours | p. 73 |
| Transmission hydraulic filter replacement interval (first service) | 50/100 hour service | p. 99 |
| Transmission hydraulic filter replacement interval (subsequent) | Every 500 hours | p. 99 |
| Final drive oil change interval | Every 1000 hours | p. 75 |
| Final drive oil capacity (each) | 2.3 litre | p. 123 |
| Wire mesh and magnetic filter (transmission) cleaning interval | Every 500 hours | p. 74 |
| First Service Interval | 50-100 hours | p. 88 |
| Hydraulic Filter Service Interval (subsequent) | 500 hours | p. 99 |
| Transmission Oil Capacity | 5 gal (22.7 litre) | p. 123 |
