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Development of a Hydropneumatic Suspension System for an Earthmoving Machine
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English
Abstract
The Universal Engineer Tractor (UET), an earthmoving machine, can work as a bulldozer, scraper, rough grader, prime mover, dump truck, cargo carrier, or personnel carrier. Versatility is made possible through the use of a hydropneumatic suspension. Because random variables of terrain and soil are traversed at speeds up to 30 mph, components in the suspension have been subjected to extremely high pressures and to heavy loadings of structural components, due to mechanical feedback. This paper reports on the nature of these problems, describes modifications made to overcome the difficulties, and gives results of subsequent field and laboratory tests.
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Citation
Gies, P., "Development of a Hydropneumatic Suspension System for an Earthmoving Machine," SAE Technical Paper 660613, 1966, https://doi.org/10.4271/660613.Also In
References
- Timberlake, T. G. Alexander, R. G. Oglesby, N. P. Leathers, W. H. “Future Army Engineer Construction Equipment.” Paper presented at SAE FCIM Meeting September 1958
- Hardy Rodney D. White Richard P. “The Universal Engineer Tractor.” Paper No. 616C presented at SAE Automotive Engineering Congress January 1963
- Reynolds R. Mayer, E. “High Pressure Hydropneumatic Suspension of the Universal Engineer Crawler Tractor.” Paper presented at SAE Heavy Duty Vehicle Meeting September 1961