Self-propelled agricultural harvesting machine, comprising: a frame which extends in a forwards direction of travel, is supported by means (14, 16) which are in engagement with the ground, and is moveable in the forwards direction by the means (14, 16) mentioned, working members (26, 28) for picking up and/or processing crop, said working members being driveable via a driving belt which is driveable by means of a sheave with an axis of rotation oriented horizontally and transversely with respect to the forwards direction, a first internal combustion engine which is supported on the frame and has a first crankshaft, a second internal combustion engine which is supported on the frame and has a second crankshaft, and a connecting gearing which is arranged in front of the internal combustion engines (36, 38) in the forwards direction and is connected or is connectable in terms of drive to the first crankshaft, the second crankshaft and the sheave, wherein the two internal combustion engines (36, 38) are arranged laterally next to each other with respect to the forwards direction, and the crankshafts (40, 42) extend in the forwards direction, characterized in that the connecting gearing comprises a first and a second angular gearing (52, 64) which are each connectable or are connected in terms of drive to one of the crankshafts (40, 24) and to a transversely arranged transverse shaft (54, 58, 80, 90), in that the transverse shaft (54, 58, 80, 90) is connectable or is connected to the sheave, in that the sheave is arranged on a first side of the second angular gearing while the first angular gearing is located on a second side of the second angular gearing, in that the transverse shaft (58, 80, 90) is composed of a plurality of separate sections (58, 80, 90) between the angular gearings (52, 64), and in that a propeller shaft is fitted between those sections (58, 90) of the transverse shaft (58, 80, 90) that are in each case connected to an angular gearing (52, 64). a frame which extends in a forwards direction of travel, is supported by means (14, 16) which are in engagement with the ground, and is moveable in the forwards direction by the means (14, 16) mentioned, working members (26, 28) for picking up and/or processing crop, said working members being driveable via a driving belt which is driveable by means of a sheave with an axis of rotation oriented horizontally and transversely with respect to the forwards direction, a first internal combustion engine which is supported on the frame and has a first crankshaft, a second internal combustion engine which is supported on the frame and has a second crankshaft, and a connecting gearing which is arranged in front of the internal combustion engines (36, 38) in the forwards direction and is connected or is connectable in terms of drive to the first crankshaft, the second crankshaft and the sheave, wherein the two internal combustion engines (36, 38) are arranged laterally next to each other with respect to the forwards direction, and the crankshafts (40, 42) extend in the forwards direction, characterized in that the connecting gearing comprises a first and a second angular gearing (52, 64) which are each connectable or are connected in terms of drive to one of the crankshafts (40, 24) and to a transversely arranged transverse shaft (54, 58, 80, 90), in that the transverse shaft (54, 58, 80, 90) is connectable or is connected to the sheave, in that the sheave is arranged on a first side of the second angular gearing while the first angular gearing is located on a second side of the second angular gearing, in that the transverse shaft (58, 80, 90) is composed of a plurality of separate sections (58, 80, 90) between the angular gearings (52, 64), and in that a propeller shaft is fitted between those sections (58, 90) of the transverse shaft (58, 80, 90) that are in each case connected to an angular gearing (52, 64).