A vehicle includes a transmission housing disposed on a frame to independently drive a pair of wheels. The transmission includes first and second motor having collinear motor shafts and first and second pump hydraulically connected to the respective motors and having collinear pump shafts. An input
A vehicle includes a transmission housing disposed on a frame to independently drive a pair of wheels. The transmission includes first and second motor having collinear motor shafts and first and second pump hydraulically connected to the respective motors and having collinear pump shafts. An input shaft extends into the housing and drives both pump shafts and has an axis of rotation that is perpendicular to the pump shaft axes of rotation.
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1. A vehicle, comprising: a frame, a first pair of wheels mounted adjacent one end of the frame and a second pair of wheels mounted adjacent a second end of the frame;a prime mover supported by the frame; anda transmission having a housing supported by the frame adjacent the first pair of wheels, th
1. A vehicle, comprising: a frame, a first pair of wheels mounted adjacent one end of the frame and a second pair of wheels mounted adjacent a second end of the frame;a prime mover supported by the frame; anda transmission having a housing supported by the frame adjacent the first pair of wheels, the transmission further comprising: a first motor having a first motor shaft driving one of the first pair of wheels and having a first axis of rotation;a second motor having a second motor shaft driving the other of the first pair of wheels and having a second axis of rotation that is collinear with the first axis of rotation;a first pump hydraulically connected to the first motor, the first pump being disposed in the housing and driven by a first pump shaft having a third axis of rotation;a second pump hydraulically connected to the second motor, the second pump being disposed in the housing and driven by a second pump shaft having a fourth axis of rotation that is collinear with the third axis of rotation; andan input shaft extending into the housing and driving both the first pump shaft and the second pump shaft, the input shaft having a fifth axis of rotation that is perpendicular to the second and third axes of rotation. 2. The vehicle of claim 1, wherein the first and second axes of rotation are parallel to the third and fourth axes of rotation. 3. The vehicle of claim 1, wherein the second axis of rotation passes through the input shaft. 4. The vehicle of claim 1, further comprising a power take off shaft extending out of the housing and having a sixth axis of rotation that is parallel to and offset from the fifth axis of rotation of the input shaft. 5. The vehicle of claim 4, further comprising a first clutch engaged to the input shaft and alternatively powering the power take off shaft. 6. A vehicle, comprising: a frame having a front end and a rear end, a first pair of wheels mounted adjacent the front end of the frame and a second pair of wheels mounted adjacent the rear end of the frame;a prime mover supported by the frame;a mower deck disposed on the frame and disposed between the prime mover and the front end of the frame;a transmission comprising: a transmission housing supported by the frame between the prime mover and the mower deck, the transmission housing having a first side and a second side opposite the first side;a power take off housing mounted to the second side of the transmission housing;a first motor having a first motor shaft driving one of the first pair of wheels and having a first axis of rotation;a second motor having a second motor shaft driving the other of the first pair of wheels and having a second axis of rotation that is collinear with the first axis of rotation;a first pump hydraulically connected to the first motor, the first pump being disposed in the transmission housing and driven by a first pump shaft having a third axis of rotation;a second pump hydraulically connected to the second motor, the second pump being disposed in the transmission housing and driven by a second pump shaft having a fourth axis of rotation that is collinear with the third axis of rotation;an input shaft driven by the prime mover extending the first side of the transmission housing through the transmission housing and out the second side thereof, the input shaft driving both the first pump shaft and the second pump shaft, the input shaft having a fifth axis of rotation;a power take off disposed in the power take off housing and powered by the input shaft, the power take off driving a power take off shaft having a sixth axis of rotation that is parallel to the fifth axis of rotation, wherein the power take off shaft is engaged to and drives the mower deck. 7. The vehicle of claim 6, wherein the first and second axes of rotation are parallel to the third and fourth axes of rotation, and the first and second axes of rotation pass through the input shaft. 8. The vehicle of claim 6, wherein the sixth axis of rotation is disposed closer to the ground than the third and fourth axes of rotation. 9. The vehicle of claim 6, further comprising a pocket formed on an internal surface of the power take off housing, wherein an end of the input shaft is disposed in the pocket. 10. The vehicle of claim 6, further comprising a clutch engaged to the input shaft and alternatively powering the power take off shaft. 11. The vehicle of claim 10, further comprising a pocket formed on an internal surface of the power take off housing, wherein an end of the input shaft is disposed in the pocket. 12. A vehicle, comprising: a frame having a front end and a rear end;a prime mover supported by the frame; anda transmission disposed on the vehicle, the transmission comprising: a main housing having a first opening formed at a first end and a second opening formed at a second end;a first center section having a first side engaged to and closing the first opening of the main housing, and a second side opposite the first side;a second center section having a first side engaged to and closing the second opening of the main housing, and a second side opposite the first side, wherein the first center section, the second center section and an internal surface of the main housing cooperate to form an internal sump;a first pump running surface and a first motor running surface both formed on the first side of the first center section;a second pump running surface and a second motor running surface both formed on the first side of the second center section;a first pump cylinder block disposed on the first pump running surface and a second pump cylinder block disposed on the second pump running surface, wherein both the first pump cylinder block and the second pump cylinder block are located in the internal sump;a first motor cylinder block disposed on the first motor running surface and located outside the internal sump; anda second motor cylinder block disposed on the second motor running surface and located outside the internal sump. 13. The vehicle of claim 12, wherein the first motor cylinder block is disposed directly below the first pump cylinder block and the second motor cylinder block is disposed directly below the second pump cylinder block. 14. The vehicle of claim 12, further comprising: a first motor shaft engaged to and driving the first motor cylinder block and having a first axis of rotation;a second motor shaft engaged to and driving the second motor cylinder block and having a second axis of rotation, wherein the first axis of rotation and the second axis of rotation are collinear;a first gear assembly engaged to and driven by the first motor shaft, wherein the first gear assembly is disposed on the second side of the first center section; anda second gear assembly engaged to and driven by the second motor shaft, wherein the second gear assembly is disposed on the second side of the second center section. 15. The vehicle of claim 12, further comprising a first pump shaft engaged to and driving the first pump cylinder block and having a first axis of rotation, and a second pump shaft engaged to and driving the second pump cylinder block and having a second axis of rotation, wherein the first axis of rotation and the second axis of rotation are collinear. 16. The vehicle of claim 15, further comprising a first motor shaft engaged to and driving the first motor cylinder block and having a third axis of rotation, and a second motor shaft engaged to and driving the second motor cylinder block and having a fourth axis of rotation, wherein the third axis of rotation and the fourth axis of rotation are collinear, and wherein the first and second axes of rotation are parallel to and offset from the collinear third and fourth axes of rotation. 17. The vehicle of claim l6, further comprising: a first gear assembly engaged to and driven by the first motor shaft, wherein the first gear assembly is disposed on the second side of the first center section;a first axle engaged to the first gear assembly, and the first axle has a fifth axis of rotation;a second gear assembly engaged to and driven by the second motor shaft, wherein the second gear assembly is disposed on the second side of the second center section;a second axle engaged to and driven by the second gear assembly, and the second axle has a sixth axis of rotation. 18. The vehicle of claim 17, wherein the fifth and sixth axes of rotation are collinear with the third and fourth axes of rotation. 19. The vehicle of claim 18, wherein the first motor cylinder block is disposed directly below the first pump cylinder block and the second motor cylinder block is disposed directly below the second pump cylinder block. 20. The vehicle of claim 12, further comprising passages located inside the main housing whereby the first pump cylinder block and the second pump cylinder block share common oil.
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