A power unit of a utility vehicle includes: a power source for travel of the utility vehicle; a continuously variable transmission; a reduced-speed shaft disposed parallel to a drive shaft of the power source and coaxially with a CVT input shaft of the continuously variable transmission; speed-reduction gears that transmit rotational power of the drive shaft to the reduced-speed shaft; and an electricity generator mounted on a shaft assembly including the CVT input shaft and the reduced-speed shaft. The drive shaft, the shaft assembly, the CVT input shaft, and the CVT output shaft extend in a first direction. The electricity generator is aligned with the power source in a second direction perpendicular to the first direction, and the location of the electricity generator in the first direction overlaps with the location of the power source in the first direction.

A reversible torque transfer device includes an input shaft including a center disc, an output shaft including a first output gear and a second output gear, a first outer disc on a first side of the center disc, and a second outer disc on a second side. The first outer disc concentrically surrounds the input shaft and is configured to move translationally along the input shaft and rotate a first input gear, the first input gear being mechanically connected to the first output gear. The second outer disc concentrically surrounds the input shaft and is configured to move translationally along the input shaft and rotate a second input gear, the second input gear being mechanically connected to the second output gear. The center disc drives a rotational movement of the first and second outer discs based on a translational position of the outer discs along the input shaft.

A transmission includes a first shaft with two gears adapted for connecting to a motor and a second shaft with two corresponding gears adapted for connecting to a driveshaft; a shift drum selectively controlling torque transfer between the shafts and defining therein two grooves; a shift rod translatable along a rod axis with a driving member fixedly connected thereto and engaging one groove, at least a portion of the groove causing the driving member and the shift rod to translate along the rod axis upon rotation of the shift drum; an engagement dog disposed on the second shaft for selectively engaging the gears of the second shaft; two biasing members disposed around the shift rod; a fork rod supporting a shift fork slidably connected to the fork rod and the shift rod, the shift fork being engaged in another groove of the shift drum.

A rotational drive unit having an input rotatable about a first axis of rotation and configured to be driven by a power source in a single rotational direction. The rotational drive unit including a first shaft in operable communication with the input and configured to rotate in a first direction, a second shaft in operable communication with the input and configured to rotate in a second direction opposite the first direction, an output rotatable about a second axis of rotation, and a clutch assembly in operable communication with the first shaft, the second shaft, and the output. Where the clutch assembly is operable in a first configuration in which force is transmitted between the first shaft and the output, and a second configuration in which force is transmitted between the second shaft and the output.

A powertrain for a vehicle includes a housing, a motor generator unit, a torque converter, a first and second shafts, a first and second gear sets, and a torque transmitting mechanism. The motor generator unit includes an output member. The torque converter includes a pump and a turbine. The pump is connected for common rotation with the output member of the motor generator unit. The first shaft rotatably is supported by the powertrain housing and is connected for common rotation with the turbine of the torque converter. The second shaft is rotatably supported by the powertrain housing and disposed parallel to the first shaft. An output gear is connected for common rotation to the second shaft.

A transmission gearing includes a sun gear, a planetary unit and a high speed unit. The sun gear is mounted on a slowly rotating gear shaft. The planetary unit includes a planetary toothed gear wheel and a planetary shaft gear wheel, which are both mounted on a planetary shaft. The planetary shaft gear wheel has a diameter that is larger than that of the planetary toothed gear wheel and smaller than that of the sun gear. The planetary toothed gear wheel engages the sun gear. The high speed unit includes a quickly rotating gear shaft on which a high speed shaft gear is mounted. The high speed shaft gear has a diameter that is smaller than that of the planetary shaft gear wheel. A drive belt engages both the planetary shaft gear wheel and the high speed shaft gear. The slowly rotating gear shaft is parallel to the planetary shaft.

A power unit of a utility vehicle includes a power source for travel of the utility vehicle, a continuously variable transmission, a gear transmission, and an output mechanism. The gear transmission includes a GT input shaft, a GT output shaft, and first and second GT intermediate shafts that transmit rotational power from the GT input shaft to the GT output shaft. The first GT intermediate shaft is disposed on one side with respect to the GT input shaft, and the second GT intermediate shaft is disposed on the other side with respect to the GT input shaft.

A power unit of a utility vehicle includes: a power source for travel of the utility vehicle; a continuously variable transmission; a reduced-speed shaft disposed parallel to a drive shaft of the power source and coaxially with a CVT input shaft of the continuously variable transmission; speed-reduction gears that transmit rotational power of the drive shaft to the reduced-speed shaft; and an electricity generator mounted on a shaft assembly including the CVT input shaft and the reduced-speed shaft. The drive shaft, the shaft assembly, the CVT input shaft, and the CVT output shaft extend in a first direction. The electricity generator is aligned with the power source in a second direction perpendicular to the first direction, and the location of the electricity generator in the first direction overlaps with the location of the power source in the first direction.

A power unit of a utility vehicle includes a power source for travel of the utility vehicle, a continuously variable transmission, a gear transmission, and an output mechanism. The gear transmission includes a GT input shaft, a GT output shaft, and first and second GT intermediate shafts that transmit rotational power from the GT input shaft to the GT output shaft. The first GT intermediate shaft is disposed on one side with respect to the GT input shaft, and the second GT intermediate shaft is disposed on the other side with respect to the GT input shaft.

A transmission includes a first shaft with two gears adapted for connecting to a motor and a second shaft with two corresponding gears adapted for connecting to a driveshaft; a shift drum selectively controlling torque transfer between the shafts and defining therein two grooves; a shift rod translatable along a rod axis with a driving member fixedly connected thereto and engaging one groove, at least a portion of the groove causing the driving member and the shift rod to translate along the rod axis upon rotation of the shift drum; an engagement dog disposed on the second shaft for selectively engaging the gears of the second shaft; two biasing members disposed around the shift rod; a fork rod supporting a shift fork slidably connected to the fork rod and the shift rod, the shift fork being engaged in another groove of the shift drum.