English Forson N green

Color is English army green. Gas tank has two tank openings, one is marked: 'For starting fuel only'. Wheels are Orange and made of Cast Iron with rubber tires. The rear side of the splash-boards go down to the bottom plate and are fixed to it by rivets.

Engine:
4 cylinders. Starts on gasoline, runs on petroleum (kerosene?)

Magneto:
Placed on the lower right front of the engine. Markings: 'Lucas type SR4 MH1A558 42290B'

Carburetor :
'Zenith AX36 British made'

Fuel glass:
The valve for switching fuel is placed on the fuel glass. Markings: 'Willis England', 'Patent 64313448'

Radiator: Emblem on both sides written vertical and horizontal on frond side: Fordson
Markings on right side 'F2 N6090B'

Questions we have:
Witch are the original colors (preferably RAL coding)?
What is the cylinder volume?
How much horsepower does it produce?
How to get a manual?

displacement is 267 cid

engine produced approx 28 to 30 hp dont know where to get a manual, where are you from?

If you want to see some pictures of this tractor please got to:
http://members.tripod.com/~buzzcoil/index-55.html