Abstract: A track tension system including a hydraulic cylinder coupled between a drive frame and idler of a track system, an accumulator and a hydraulic valve that controls flow between the cylinder and accumulator. The cylinder extends and retracts to change the distance between the drive frame and idler which increases and decreases, respectively, tension on the track system. The hydraulic valve can be opened to allow flow between the cylinder and accumulator, and closed to block flow between the cylinder and accumulator. Control factors can be monitored to control valve position. An overload pressure relief can allow flow between the cylinder and accumulator when the hydraulic valve is closed and pressure in the cylinder reaches overload pressure. An orifice can allow constricted flow between the cylinder and accumulator when the hydraulic valve is closed. A check valve can connect the track tension system to a vehicle hydraulic system.

Abstract: Rotary seal systems and apparatus communicate a working fluid between first and second associated machine components that are rotatable relative to each other. A rotary seal apparatus includes annular inner and outer sleeve members for engaging the associated machine components, and a sealing system disposed between the inner and outer sleeve members. The sleeve members each define respective passageways extending through sleeve bodies thereof, and the sealing system forms a fluid chamber between the sleeve bodies defining an annular fluid channel operable to communicate the working fluid between fluid ports of the associated machine components via the passageways of the sleeve members. The rotary seal system may be provided in combination with an axle having a radial passageway opening outside of axially spaced apart first and second bearings carrying the axle.

Abstract: Rotary seal systems and apparatus communicate a working fluid between first and second associated machine components that are rotatable relative to each other. A rotary seal apparatus includes annular inner and outer sleeve members for engaging the associated machine components, and a sealing system disposed between the inner and outer sleeve members. The sleeve members each define respective passageways extending through sleeve bodies thereof, and the sealing system forms a fluid chamber between the sleeve bodies defining an annular fluid channel operable to communicate the working fluid between fluid ports of the associated machine components via the passageways of the sleeve members. The rotary seal system may be provided in combination with an axle having a radial passageway opening outside of axially spaced apart first and second bearings carrying the axle.

Abstract: A track tension system including a hydraulic cylinder coupled between a drive frame and idler of a track system, an accumulator and a hydraulic valve that controls flow between the cylinder and accumulator. The cylinder extends and retracts to change the distance between the drive frame and idler which increases and decreases, respectively, tension on the track system. The hydraulic valve can be opened to allow flow between the cylinder and accumulator, and closed to block flow between the cylinder and accumulator. Control factors can be monitored to control valve position. An overload pressure relief can allow flow between the cylinder and accumulator when the hydraulic valve is closed and pressure in the cylinder reaches overload pressure. An orifice can allow constricted flow between the cylinder and accumulator when the hydraulic valve is closed. A check valve can connect the track tension system to a vehicle hydraulic system.

Abstract: A vehicle hydraulic oil reservoir assembly includes a main reservoir and an auxiliary reservoir. The main reservoir has a lower portion and an upper portion. The auxiliary reservoir has a lower portion and an upper portion. The auxiliary reservoir has a port formed in the upper portion thereof. The lower portion of the auxiliary reservoir is communicated with the lower portion of the main reservoir. A breather vent is in communication with atmosphere. A vent pipe communicates the port with the breather vent.

Abstract: The present disclosure provides a brake disk for a brake assembly. The disk includes an annular body having an inner diameter and an outer diameter. The disk also includes friction material coupled to the body and substantially covering at least one side thereof. The friction material forms a first diameter and a second diameter, where the first diameter is smaller than the second diameter. The disk further includes a groove pattern defined in the friction material. The groove pattern includes a plurality of grooves, where each of the plurality of grooves includes an inlet defined at the first diameter and an outlet defined at the second diameter. The inlet defines a first width and the outlet defines a second width such that the first width is greater than the second width.

Abstract: The present disclosure provides a brake disk for a brake assembly. The disk includes an annular body having an inner diameter and an outer diameter. The disk also includes friction material coupled to the body and substantially covering at least one side thereof The friction material forms a first diameter and a second diameter, where the first diameter is smaller than the second diameter. The disk further includes a groove pattern defined in the friction material. The groove pattern includes a plurality of grooves, where each of the plurality of grooves includes an inlet defined at the first diameter and an outlet defined at the second diameter. The inlet defines a first width and the outlet defines a second width such that the first width is greater than the second width.

Abstract: A vehicle hydraulic oil reservoir assembly includes a main reservoir and an auxiliary reservoir. The main reservoir has a lower portion and an upper portion. The auxiliary reservoir has a lower portion and an upper portion. The auxiliary reservoir has a port formed in the upper portion thereof. The lower portion of the auxiliary reservoir is communicated with the lower portion of the main reservoir. A breather vent is in communication with atmosphere. A vent pipe communicates the port with the breather vent.