A hydrostatic transmission system comprising: a hydraulic motor having first and second ports (12,13); an integrated hydraulic pump assembly, the integrated hydraulic pump assembly to provide hydraulic fluid to operate the hydraulic motor, the integrated hydraulic pump assembly including, a hydraulic pump having a casing defining an interior volume, the casing having a third port in fluid communication with the interior volume, and a fourth port in fluid communication with the interior volume, a first valve assembly in fluid communication with the first and third ports (12,24), and a second valve assembly in fluid communication with the second and fourth ports (13,22); and a controller, wherein: the integrated hydraulic pump assembly is conjoined with the hydraulic motor, and the controller establishes at least one of a speed and a torque of the hydraulic pump to exclusively adjust at least one of a flow and a pressure in the hydraulic system to an operational set point, wherein the hydraulic pump includes a first motor connected to a first gear having a plurality of first gear teeth, and includes a second motor connected to a second gear having a plurality of second gear teeth, wherein the first motor rotates the first gear about a first axial centerline of the first gear in a first direction to transfer the hydraulic fluid to the hydraulic motor, wherein the second motor rotates the second gear, independently of the first motor, about a second axial centerline of the second gear in a second direction to transfer the hydraulic fluid to the hydraulic motor, and wherein the first motor and the second motor are controlled so as to synchronize contact between a face of at least one tooth of the plurality of second gear teeth and a face of at least one tooth of the plurality of first gear teeth. a hydraulic motor having first and second ports (12,13); an integrated hydraulic pump assembly, the integrated hydraulic pump assembly to provide hydraulic fluid to operate the hydraulic motor, the integrated hydraulic pump assembly including, a hydraulic pump having a casing defining an interior volume, the casing having a third port in fluid communication with the interior volume, and a fourth port in fluid communication with the interior volume, a first valve assembly in fluid communication with the first and third ports (12,24), and a second valve assembly in fluid communication with the second and fourth ports (13,22); and a hydraulic pump having a casing defining an interior volume, the casing having a third port in fluid communication with the interior volume, and a fourth port in fluid communication with the interior volume, a first valve assembly in fluid communication with the first and third ports (12,24), and a second valve assembly in fluid communication with the second and fourth ports (13,22); and a controller, wherein: the integrated hydraulic pump assembly is conjoined with the hydraulic motor, and the controller establishes at least one of a speed and a torque of the hydraulic pump to exclusively adjust at least one of a flow and a pressure in the hydraulic system to an operational set point, the integrated hydraulic pump assembly is conjoined with the hydraulic motor, and the controller establishes at least one of a speed and a torque of the hydraulic pump to exclusively adjust at least one of a flow and a pressure in the hydraulic system to an operational set point, wherein the hydraulic pump includes a first motor connected to a first gear having a plurality of first gear teeth, and includes a second motor connected to a second gear having a plurality of second gear teeth, wherein the first motor rotates the first gear about a first axial centerline of the first gear in a first direction to transfer the hydraulic fluid to the hydraulic motor, wherein the second motor rotates the second gear, independently of the first motor, about a second axial centerline of the second gear in a second direction to transfer the hydraulic fluid to the hydraulic motor, and wherein the first motor and the second motor are controlled so as to synchronize contact between a face of at least one tooth of the plurality of second gear teeth and a face of at least one tooth of the plurality of first gear teeth.