the present invention includes a first yoke support 12 a first and second universal joint 14 16 a second yoke support 24 and an improved shaft coupling 18 including an outer shaft member 20 and an inner shaft member 22 these components of the drive line apparatus 10 are all interconnected such that the distance between a driving member and a driven member such as a transmission and differential or axle assembly is maintained to a minimum the first and second yoke supports 12 24 and the first and second universal joints 14 16 are conventional devices currently used in the industry although many configurations are available for these devices the figures show just one example of devices rigidly connected to the output shaft of a driving unit such as an engine or transmission and devices rigidly connected to the input shaft of a driven unit such as a generator transmission or transfer box the shaft coupling 18 includes an outer shaft member 20 and an inner shaft member 22 each of the outer and inner shaft members 20 22 respectively have a hollow interior the outer shaft member 20 has an interior dimension for receiving at least a portion of the inner shaft member therein so that the outer and inner shaft members are telescopically connected and can have a common longitudinally extending rotational axis the inner shaft member 22 has an interior dimension for receiving at least a portion of one of the universal joints 14 16.