Well 6litres as apposed to 4.5 litres seems an excessive extra amount to me, and that's what it took to get it up to the top dip stick level. Phoenix Eng Hereford guy said this engine takes 1 gallon (4.5ltrs) though converted sumps may have different capacities.

Hi all, just got a series 2A 109. Had a few problems and have now done loads of jobs on it. It's got a Perkins 4203 and is smoking a bit. I've done oil&filter change and am wondering if I've put too much oil in! Does anyone know the oil capacity for this engine? I'm 100 miles from home and...