David Brown Tractor Forum

I am just completing rebuild of 1963 990 Implematic with new cross boxes for twin batteries. Has anyone got a photo or instructions how the box lids are fixed down as it is far from obvious. Plan is to use 2 x 12 volt batteries in parallel

The crux of the issue is if I need any spares for this engine do I presume that it is an AD4/49 type please?

Just discovered how to add the photos of the engine block

download/file.php?mode=view&id=8309

Thanks to everyone with comments it is appreciated. Engine block LHS has 3 core plugs and there is very little gap between the block and water pump so assume this is what member described as a short bypass tube? The only identification plate is behind the starter motor on the RHS and as I said despi...

many thanks for the prompt reply. Been over the engine very carefully looking for stamped numbers and I can find nothing?? The drainage tap is on the LHS of the engine - from the seat looking forward that is - and there is no stamped number visible here. On the RHS of the engine behind the tacho cou...

All I have a very genuine DB990 implematic - first series with chassis number 448173 which agrees with the log book as being supplied new in January 1963. The tractor's history is that it had a major engine problem soon after being first sold and WMF put a new engine in before reselling it to the fa...