The Fordson Tractor Pages Forum

Posted: **Thu Aug 21, 2014 12:24 am**

Do I need straight 90 or straight 140 in my Fordson N gearbox? I do use the old girl for ploughing.

Ollie

Posted: **Thu Aug 21, 2014 4:40 am**

Giving the times and what was in common use, I would say straight 90. Dandy Dave!

Posted: **Thu Aug 21, 2014 3:32 pm**

Some people have said 140 which is a bit thick for winter times and others said 90.

Ollie

Gearbox Oil.