Sundstrand Sauer Danfoss Series 15 Inline
The configurations and specifications of an Inline Type Pump
The diagram shows the optional mounting flanges:
4 bolt
SAE type A 2 bolt

Also it tells us that case must drain directly into output axle or gearbox thru shaft bearing.
And as you can tell by the diagram it shows the output and input shaft, control shaft and drain. And it gives the dimensions for the SAE Type A 2 bolt mounting flange.

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