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2. Ingersoll Power Equipment - Wikipedia

   en.wikipedia.org/wiki/Ingersoll_Power_Equipment

   The new 200 and 400 Series tractors used a much stronger trans-axle and cast steel front axle as well as a much stronger main frame. The patented hydraulic drive remained but it was improved upon by upping the maximum operating pressure from 1600 PSI to 2150 PSI at the travel valve and 2250 at the rear PTO valve, used to power attachments.

3. Hydraulic machinery - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_machinery

   Common types of hydraulic pumps to hydraulic machinery applications are: Gear pump: cheap, durable (especially in g-rotor form), simple. Less efficient, because they are constant (fixed) displacement, and mainly suitable for pressures below 20 MPa (3000 psi). Vane pump: cheap and simple, reliable. Good for higher-flow low-pressure output.

4. Combine harvester - Wikipedia

   en.wikipedia.org/wiki/Combine_harvester

   Later, as hydraulic technology improved, hydrostatic transmissions were introduced for use on swathers but later this technology was applied to combines as well. This drive retained the 4-speed manual transmission as before, but used a system of hydraulic pumps and motors to drive the input shaft of the transmission.

5. Hydraulic pump - Wikipedia

   en.wikipedia.org/wiki/Hydraulic_pump

   Fluid flow in an external gear pump. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy (hydrostatic energy i.e. flow, pressure). Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. They generate flow with enough power to overcome pressure induced by a ...

6. Auxiliary hydraulic system - Wikipedia

   en.wikipedia.org/wiki/Auxiliary_hydraulic_system

   An auxiliary hydraulic system delivers pressurized hydraulic fluid from a hydraulic pump to operate auxiliary equipment or attachments. The addition of an auxiliary hydraulic system to heavy construction equipment increases the versatility of the vehicle by allowing it to perform additional functions with different attachments. [1]

7. Accessory drive - Wikipedia

   en.wikipedia.org/wiki/Accessory_drive

   Klimov TV3-117 turboshaft engine. The accessory drive is the large casting on the top. The accessory drive is a gearbox that forms part of a gas turbine engine. [1] Although not part of the engine's core, it drives the accessories – such as generators, pumps for fuel and lubrication oil, air compressors, hydraulic pumps and engine starters – that are otherwise essential for the operation ...