An electric actuator for use with a variable drive apparatus is disclosed herein. The electric actuator has a rotary design incorporating a magnetic field sensor chip disposed on a circuit board to sense the rotational orientation of the magnetic field of a cylindrical diametric magnet positioned on the end of a control shaft of a hydrostatic drive unit. The circuit board includes a microprocessor, electric motor power control and CAN Bus communication capability. The gear housing of the electric actuator features an integral end cap to accommodate mounting of the electric motor to enable a compact design. A vibration damping apparatus may be utilized to improve integrity of signals generated by the magnetic field sensor chip.

A power transmission device includes a first shaft provided to be rotatable around a first rotational axis of the hydraulic pump driven by the engine. A second shaft is rotatable about the first rotational axis to rotate the power take shaft. A clutch is rotatable about a second rotational axis that is substantially parallel to the first rotational axis and is vertically below the first rotational axis. The clutch has a first rotating portion and a second rotating portion arranged to face each other in the second rotational axis. A first rotating portion is connectable to and separable from the second rotating portion. The first rotation transmission mechanism is configured to transmit rotation of the first shaft to the first rotating portion. A second rotation transmission mechanism is configured to transmit rotation of the second rotating portion to the second shaft.

A transaxle casing has a fluid sump having a gear top cover, an HST, a reduction gear train and at least one axle disposed in the transaxle casing. The gear top cover accommodates a part of a rotation portion of the reduction gear train. An air supply and exhaust hole is disposed on an upper surface of the gear top cover facing an air sump and is arranged at a position different from a point above a bevel gear. A breather is attached at the air supply and exhaust hole, and a first inner wall extending downward from the upper surface of the upper casing member, is positioned between the part of the bevel gear and the air supply and exhaust hole.

A military vehicle includes a brake positioned to facilitate braking a tractive element, a brake housing defining an inner volume, a piston separating the inner volume into a first chamber and a second chamber, a rod extending through an end of the brake housing and coupled to the piston where the rod is positioned to selectively engage with the brake to inhibit movement of the tractive element, a resilient member positioned within the inner volume and configured to generate a biasing force against the piston such that the rod is biased into engagement with the brake, and an air-to-hydraulic intensifier coupled to the brake housing. The air-to-hydraulic intensifier is configured to receive a supply of air and provide a hydraulic fluid to the brake housing based on the supply of air to overcome the biasing force to disengage the rod from the brake to permit movement of the tractive element.

A military vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, and a suspension system. The suspension system include a front suspension assembly and a rear suspension assembly. The front suspension assembly is positioned between the chassis and the front axle. The rear suspension assembly is positioned between the chassis and the rear axle. Each of the front suspension assembly and the rear suspension assembly includes a first spring, a second spring, a first hydraulic damper, and a second hydraulic damper. The first hydraulic damper and the second hydraulic damper of at least one of the front suspension assembly or the rear suspension assembly are cross-plumbed to provide a hydraulic body roll control function and eliminate the need for an anti-roll bar.

A military vehicle includes a brake positioned to facilitate braking a tractive element, a brake housing defining an inner volume, a piston separating the inner volume into a first chamber and a second chamber, a rod extending through an end of the brake housing and coupled to the piston where the rod is positioned to selectively engage with the brake to inhibit movement of the tractive element, a resilient member positioned within the inner volume and configured to generate a biasing force against the piston such that the rod is biased into engagement with the brake, and an air-to-hydraulic intensifier coupled to the brake housing. The air-to-hydraulic intensifier is configured to receive a supply of air and provide a hydraulic fluid to the brake housing based on the supply of air to overcome the biasing force to disengage the rod from the brake to permit movement of the tractive element.

A military vehicle includes a passenger capsule, a front module coupled to a front end of the passenger capsule, and a rear module coupled to a rear end of the passenger capsule. The passenger capsule has a frame rail-less monocoque hull structure. The front module includes a front axle, a front differential coupled to the front axle, and a prime mover. The rear module includes a rear axle and a transaxle coupled to the prime mover, the rear axle, and the front differential.

A military vehicle includes a front axle, a rear axle, a front differential coupled to the front axle, and a transaxle coupled to the rear axle and the front differential. The transaxle includes an internal mechanical disconnect that facilitates mechanically decoupling the transaxle from the front differential.

A military vehicle includes a passenger capsule. The passenger capsule includes a sidewall defining a front door aperture and a rear door aperture, a front door positioned over the front door aperture, a rear door positioned over the rear door aperture, and a latching mechanism configured to secure the front door and the rear door in a closed positioned. The sidewall includes an interlocking door frame portion positioned (i) along an exterior of the sidewall between the front door aperture and the rear door aperture and (ii) proximate the latching mechanism such that the front door and the rear door engage with the interlocking door frame portion positioned along the exterior of the sidewall between the front door aperture and the rear door aperture when the front door and the rear door are closed and engaged with the latching mechanism.

A military vehicle includes a passenger capsule including a roof, a floor, and sidewalls that define an interior, a driver seat and a passenger seat disposed within the interior of the passenger capsule, and a belly deflector coupled to an exterior of the passenger capsule and positioned beneath the floor. The belly deflector is spaced from the floor such that the floor is configured as a floating floor. The floor and the belly deflector provide two levels of underbody protection.