A differential case (23) is therein provided with a plurality of rotating discs (38) that are spline-coupled to an outer peripheral side of aright side gear (35), and a plurality of non-rotating discs (39) that are respectively arranged between the respective rotating discs (38) and are non-rotatable relative to the differential case (23) and are movable in a left-right direction. A pressure ring (43) that presses the non-rotating discs (39) toward the rotating discs (38) is disposed between a right retainer (41) positioned in the right side gear (35)-side and the non-rotating disc (39). The right retainer (41) is therein provided with a piston accommodating part (41D) in a position facing the pressure ring (43) in the left-right direction. The piston accommodating part (41D) is therein provided with a piston (46) that is displaced by hydraulic pressure to press the non-rotating discs (39) against the rotating discs (38) through the pressure ring (43).

A drive assembly for a work vehicle includes an electric machine and a transmission assembly, which has a gear set at least in part contained within a transmission housing and has a control orifice communicating with a transmission section of a cooling circuit for the drive assembly being at least in part within the transmission housing. The electric machine has a casing coupled to the transmission housing to be mounted fixedly thereto. The casing has a coolant inlet port and defines an electric machine section of the cooling circuit for the drive assembly that is at least in part within the casing. A controlled flow of coolant is transferred from the electric machine section of the cooling circuit to the transmission section of the cooling circuit via the control orifice.

A vehicle including an engine, the engine being selectably operably couplable to ground engaging motive means, the vehicle including a foot throttle for selectively controlling power delivery from the engine, a hand throttle for selectively controlling power delivery from the engine and an operator seat being moveable between a front facing position and a rear facing position, the vehicle including a static operating mode in which: the operator seat faces forwards, the engine is decoupled from the ground engaging motive means and/or a park brake is on, and, the foot throttle is the default throttle the vehicle further including an excavation mode in which: the operator seat faces rearwards, the engine is decoupled from the ground engaging motive means and the hand throttle is the default throttle.

A work vehicle includes an engine, a traveling pump driven by the engine, a hydraulic circuit connected to the traveling pump, a traveling motor connected to the traveling pump via the hydraulic circuit, a rotational speed sensor configured to output a signal indicative of engine speed a hydraulic pressure sensor configured to output a signal indicative of hydraulic pressure of the hydraulic circuit, a controller. The controller receives the signals from the rotational speed sensor and the hydraulic pressure sensor. The controller determines whether the engine is in an over-rotation state based on engine speed. The controller determines an upper limit value of a displacement of the traveling pump based on hydraulic pressure of the hydraulic circuit. The controller limits the displacement of the traveling pump to the upper limit value or less upon determining that the engine is in the over-rotation state.

A mobile mining machine includes a plurality of traction elements, a plurality of motors, a power source in electrical communication with the plurality of motors, and an energy storage system in electrical communication with the plurality of motors and the power source. Each of the motors is coupled to an associated one of the plurality of traction elements. Each of the motors is driven by the associated traction element in a first mode, and drives the associated traction element in a second mode. The energy storage system includes a shaft, a rotor secured to the shaft, a stator extending around the rotor, and a flywheel coupled to the shaft for rotation therewith. In the first mode, rotation of the motors causes rotation of the flywheel to store kinetic energy. In the second mode, rotation of the rotor and the flywheel discharges kinetic energy to drive the motors.

A mobile work system and methods for operationally receiving a work performing and/or energy delivering attachment. A work platform is powered by a power output device and includes a source of electricity for powering the attachment. The platform has a first end and a second end generally opposite the first end. A first attachment interface is connected to the first end, and a second attachment interface, substantially operationally equivalent to the first attachment interface, is connected to the second end. The first end of the platform also includes a first steering mechanism, and the second end includes a second steering mechanism substantially operationally equivalent to the first steering mechanism, whereby the platform is configured to be propelled and steered in a first direction and propelled and steered in a second direction generally opposite the first direction by the first and second steering mechanisms, respectively.

A method for mitigating powertrain abuse on a grade can include determining the grade a machine is on, the machine including an impeller clutch located between an engine and a powertrain so as to connect and disconnect engine power from the powertrain; and if the grade is over a threshold, a controller ignores any operator input to the impeller clutch such that machine speed retarding is utilized to keep the machine at a proper speed.

A hybrid system for a vehicle including a hybrid machine and a transmission arrangement that includes a first, a second and a third planetary gear set each including a sun gear, a planet carrier and a ring gear, the transmission arrangement further including five shift elements engageable in combinations of two to obtain six forward gear stages, wherein the ring gear of the first planetary gear set and the planet carrier of the second planetary gear set are operatively connected to each other, the ring gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other, two planetary members of the third planetary gear set are selectively connectable to each other by a single one of the shift elements, wherein the hybrid machine and the ring gear of the first planetary gear set are connected to each other.

A construction machine includes: an engine driving at least one hydraulic pump configured to supply operating oil to a hydraulic actuator; an exhaust adjustment mechanism adjusting a flow rate of exhaust from the engine; and a control device controlling the exhaust adjustment mechanism. The control device determines whether or not a first downhill traveling condition and/or a second downhill traveling condition are/is satisfied. When at least one of the first downhill traveling condition and the second downhill traveling condition is satisfied, the control device controls the exhaust adjustment mechanism such that the exhaust adjustment mechanism executes exhaust brake.

A transmission for a vehicle includes a primary transmission arrangement, a transmission housing, an input shaft, and an output shaft. The primary transmission arrangement includes a first, second and third planetary gear set each including a first, a second and a third planetary member, said planetary members being a sun gear, a planet carrier and a ring gear. The transmission arrangement further includes five shift elements engageable in combinations of two to obtain six forward gear stages, wherein the ring gear of the first planetary gear set and the planet carrier of the second planetary gear set are operatively connected to each other, the ring gear of the second planetary gear set and the planet carrier of the third planetary gear set are operatively connected to each other, and two planetary members of the third planetary gear set are selectively connectable to each other.