Help with some ISEKI motor info

[ADRIONUZ]

#'s off of engine

HL 750
CA460-4
2 cylinder diesel

someone told me it was an ISEKI motor: Link to what i found...
ISEKI > Products > Riding Mower SXG 15 Series Specifications


Can anyone tell me exactly what motor this 2 cylinder Japanese diesel is: particularly the bore and stroke on this motor?

please help and thanks in advance.

 

[Kays Supply]

You would probably have better luck on the Iseki forum.