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Hydrostatic Transmission Application Considerations for Commercial Turf Maintenance Vehicles
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Hydrostatic Transmission Application Considerations for Commercial Turf Maintenance Vehicles. ASAE Distinguished Lecture No. 16, pp. 1-15. Winter Meeting of the American Society of Agricultural Engineers, 18 December 1991, Chicago, Illinois 913C1491.(doi:)
Authors: M. Betz
Keywords: Background, Commercial Turf Vehicle Definitions, Basic Hydrostatic Drives, Transmission Selection Basics, Gradeability Requirements, Dynamic Braking and Input Speed Requirements, Control Forces, Auxiliary Hydraulic Power Circuits, Vehicle Performance Calculations, Belt or Overhung Load Driven Pumps, Fluid, Filtration, and Reservoir Requirements
The ability to change vehicle speed and direction without shifting gears or changing engine speed makes the hydrostatic transmission an economical and efficient driveline component. Proper sizing of the pump and motor for the application is the first step in insuring reliable components are provided for the driveline. In addition to correct sizing there are other application parameters that need to be given equal attention. Control forces, fluid filtration, and fluid cooling are items that are easily overlooked but are critical for realizing above average application reliability. This paper discusses hydrostatic transmissions as applied to several types of commercial turf maintenance vehicle drive systems. The information provided is intended to serve as an application guideline for selecting a hydrostatic transmission. Specific customer vehicle requirements must be considered when applying hydrostatic transmissions on commercial turf vehicles.(Download PDF) (Export to EndNotes)