A drive device for a motor vehicle, comprising a drive shaft, an at least two-speed manual transmission, a differential and a left and right output shaft, wherein the manual transmission is formed by a planetary gear mechanism, wherein the differential is integrated in the planetary gear mechanism.

A dual clutch transaxle is provided that includes a dual clutch assembly, an input shaft assembly, a counter shaft assembly, a shift assembly and at least one output assembly. The dual clutch assembly has a dual clutch axis and includes a first clutch shaft and a second clutch shaft. The input shaft assembly includes a nested first inner input shaft and a second outer input shaft that are operationally coupled to the first clutch shaft and a second clutch shaft. An input shaft axis is offset from the dual clutch axis of the dual clutch assembly. A plurality of drive gears of the input shaft assembly are operationally coupled to a plurality of driven gears of the counter shaft assembly. The shift assembly is operationally coupled to select. The at least one output assembly is operationally coupled to the counter shaft assembly.

A front wheel drive based four wheel drive powertrain includes range gearing, bevel gearing, final drive gearing, and a differential. The range gearing, final drive gearing, and differential are on the same axis. The bevel gearing, which transfers power to a rear drive unit, is upstream of the final drive gearing in the power flow. Consequently, no step-down ratio is required to provide a suitable driveshaft speed.

An improved twin clutch, two-speed disconnect secondary drive unit, which may be configured as a rear drive unit (RDU) for an all wheel drive vehicle is provided. The RDU is driven through an input shaft, which is connected to a vehicle drive source such as a motor, and includes a twin clutch assembly, which is connected to the drive shaft and is selectively actuated to drive left and right main shafts, which drive respective wheels of the vehicle. The RDU further includes a modular a shift assembly mountable to one or both of said main shafts to drive output shafts, wherein each shift assembly is selectively operable between the hi-range and lo-range modes to shift driving operation of the output shafts between hi-speed and lo-speed operation. The shift assembly may be controlled by improved mono-stable or bi-stable actuators.

A drive device for a hybrid-drive motor vehicle, having an internal combustion engine as a primary drive, an electric engine as a secondary drive, and having planetary gear units that are coupled with one another that can be shifted into different gear steps through shift elements and brakes. The planetary gear units being connectable to a common output shaft by way of input elements and output elements. The reaction elements thereof can be coupled or firmly braked, wherein the drive device can be operated in an electromotor drive, a primary drive having gear steps (gears), or in a hybrid drive.

A dual clutch transaxle is provided that includes a dual clutch assembly, an input shaft assembly, a counter shaft assembly, a shift assembly and at least one output assembly. The dual clutch assembly has a dual clutch axis and includes a first clutch shaft and a second clutch shaft. The input shaft assembly includes a nested first inner input shaft and a second outer input shaft that are operationally coupled to the first clutch shaft and a second clutch shaft. An input shaft axis is offset from the dual clutch axis of the dual clutch assembly. A plurality of drive gears of the input shaft assembly are operationally coupled to a plurality of driven gears of the counter shaft assembly. The shift assembly is operationally coupled to select. The at least one output assembly is operationally coupled to the counter shaft assembly.

A traveling transmission device of a tractor including a transmission case to which power from an engine is inputted via an input shaft, a speed changer transmission section provided inside the transmission case and configured to input power from the input shaft and to speed-change the inputted power and output it, and a rear wheel differential mechanism provided inside the transmission case and configured to input power outputted from the speed changer transmission section and transmit the inputted power to left and right rear wheels. The speed changer transmission section includes a plurality of speed changer sections configured to speed-change power from the input shaft by a gear coupling mechanism and a multiple-disc clutch and output it, and, inside the transmission case, an oil feeding pipe extends upwardly of the speed changer transmission section and a discharge nozzle connects to respective portions of the plurality of speed changer sections.

A dual clutch transmission as a speed-change transmission for motor vehicles, includes two coaxially arranged input shafts, each being activatable via a clutch, an output shaft and gearwheel sets that are mounted on the shafts and can be shifted by means of shifting clutches to allow a plurality of forward gears and a reverse gear, the gearwheel sets being subdivided into a sub-transmission having the one input shaft and a sub-transmission having the other input shaft. To achieve a wider gear-ratio spread in a structurally compact construction, a shifting unit that can be shifted between two gear ratio stages is mounted upstream of the sub-transmission having the hollow input shaft.

A dual clutch transaxle is provided that includes a dual clutch assembly, an input shaft assembly, a counter shaft assembly, a shift assembly and at least one output assembly. The dual clutch assembly has a dual clutch axis and includes a first clutch shaft and a second clutch shaft. The input shaft assembly includes a nested first inner input shaft and a second outer input shaft that are operationally coupled to the first clutch shaft and a second clutch shaft. An input shaft axis is offset from the dual clutch axis of the dual clutch assembly. A plurality of drive gears of the input shaft assembly are operationally coupled to a plurality of driven gears of the counter shaft assembly. The shift assembly is operationally coupled to select. The at least one output assembly is operationally coupled to the counter shaft assembly.

A four-speed transaxle for an electric vehicle comprises four planetary gear sets that is operatively connected to an electric motor, four electric caliper brake systems and one stage gears. The four-speed transaxle produces its first speed ratio when a first and third electric caliper brake systems are disengaged and a second and fourth electric caliper brake systems are engaged. Second speed ratio results when the first and fourth electric caliper brake systems are engaged and the second and third electric caliper brake systems are disengaged. Third speed ratio results when the second and third electric caliper brake systems are engaged and the first and fourth electric caliper brake systems are disengaged. Fourth speed ratio is produced when the first and third electric caliper brake systems are engaged and the second and fourth electric caliper brake systems are disengaged.