Motor oil recommendation 2000 yr. New Holland (Ford) 1920 Compact Tractor.
Shibaura 2.0L 4-cyl diesel engine.
33 engine HP
Rotella 15w-40 since new.
I estimate approx. 50 - 100 hrs. a year of light to medium use.
Lots of start ups with little use.
South Louisiana. Rarely get below...