Abstract: A machine, including a hydraulic pump and one or more hydraulic implements connected to the hydraulic pump. The machine may also include a hydraulic motor connected to the hydraulic pump and one or more propulsion devices. Additionally, the machine may include drive-system controls operable to selectively cause the hydraulic motor to supply power to one or more of the propulsion devices.

Abstract: A two stage splash guard structure is provided for an oil breather usable with an hydraulic fluid reservoir or tank. The first splash guard is provided within a neck portion preferably formed as part of the tank. A bowl-like cavity is formed within the neck portion and a ring-like chamber surrounds the cavity to serve as the first stage splash guard. An orifice is provided in the lower portion of the bowl to allow for the flow of air through the neck portion and into and out of the tank as the fluid in the tank shifts or rises and falls. A shelf is formed within the bowl to receive a second stage splash guard plate. A hollow adapter is then threadably secured within the neck portion to secure the second stage splash plate in place on the shelf and an air breather cap with the filtering element is threadably secured to the adapter.

Abstract: A two stage splash guard structure is provided for an oil breather usable with an hydraulic fluid reservoir or tank. The first splash guard is provided within a neck portion preferably formed as part of the tank. A bowl-like cavity is formed within the neck portion and a ring-like chamber surrounds the cavity to serve as the first stage splash guard. An orifice is provided in the lower portion of the bowl to allow for the flow of air through the neck portion and into and out of the tank as the fluid in the tank shifts or rises and falls. A shelf is formed within the bowl to receive a second stage splash guard plate. A hollow adapter is then threadably secured within the neck portion to secure the second stage splash plate in place on the shelf and an air breather cap with the filtering element is threadably secured to the adapter.

Abstract: A vehicle brake includes a compact module having an inlet port connected to the return-to-sump line of a hydraulic operating system on the vehicle. The module includes a path to a filter mounted on the module for filtering the operating system fluid and a poppet valve for bypassing a clogged filter. Passages in the module direct most of the return line fluid through a poppet valve which develops a source of back pressure substantially lower that system operating pressure in a cavity in the module and returns the fluid to an outlet connected to sump. A portion of the fluid in the cavity is communicated via a charge port in the module to a hydrostatic system to replenish leakage and shuttle flow in the hydrostatic system and to prevent cavitation. The source of back pressure in the module is selectively connected to spring-applied, pressure-released brakes through a four-way solenoid valve housed by the module.