Potez 4D
The Potez 4D was a four-cylinder, inverted inline aircraft engine. It was first built shortly before World War II, but did not enter full production until 1949. Like the other D-series engines, the cylinders had a bore of 125 mm and a stroke of 120 mm. Power for different models was in the 100 kW-190 kW range.Variants
;4D-00:
;4D-01:
;4D-30:
;4D-31:
;4D-32:
;4D-33:
;4D-34:
;4D-36: 4D-34 with aerobatic oil systemApplications
