Hydrostatic pump assembly having symmetrical endcap

An endcap for a hydrostatic pump, comprising:

• an endcap housing;
• a pair of system passages formed in said endcap housing, each said system passage fluidly connected to the hydrostatic pump;
• and
• a bypass passage fluidly connecting said pair of system passages, said bypass passage having a first end and a second end, each of said first and said second ends forming a valve seat.

A hydrostatic pump assembly comprising:

• a casing;
• a pumping mechanism, said casing enclosing said pumping mechanism, said casing comprising:
• a housing;
• and
• an endcap attached to said housing, said endcap having at least one lateral exterior surface, and a first system fluid passage having a pair of system ports located opposite each other in said endcap lateral exterior surface, and a second system fluid passage having a pair of system ports located opposite each other in said endcap lateral exterior surface, said first and second system fluid passages in fluid communication with said pumping mechanism.