The David Brown 1200 and 990 Selectamatic Service Catalog is Reproduction of the original service manual. It is also an excellent source of information for reassembling your tractor.

David Brown Four-Cylinder diesel Engine 1200 and 990 Selectamatic Tractors Repair manual contains the following:

Maintenance
Repair Operations
Engine Tune
Engine Removal and Replacement
Adjusting Valve clearance
Removing and Replacing Cylinder Head
Decarbonising Cylinder Head
Pistons and Connecting Rods
Camshaft
Injectors
Fuel Feed Pump
Fuel Filter
Venting Fuel System
Fuel Injection Pump
Fuel Tank
Lubricating Oil Filter
Lubricating Oil Pump
Air Cleaner
Timing Cover
Timing Gears
Water Pump
Dimensional Data
Summer of Design changes

Also consider purchasing both the operators and parts manuals for your tractor, if available. The operator's manual adds all the basic information meant for the end user of the machine, while the parts manual will lay out all the parts for you and help you to be more informed with purchasing parts.

David Brown 4 Cylinder Diesel 1200 990 Service Manual

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