Production cost analyses show potential economic advantage for giant loaders on large jobs; paper presents cost comparison between Model 475 tractor shovel, smaller tractor shovel, and swing shovel; evolutionary events and designs leading to creation of tractor are presented and discussed; design considerations and specific features of this unit are pointed out; some are loader linkage design, hollow boom construction, split hydraulic system, and hydraulic power assist for operator controls; prototype testing and changes are discussed and explained.
Giant tractor shovel - 475
SAE -- Paper
SAE Meeting ; 1967
1967
9 pages
Conference paper
English
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A Giant Tractor Shovel - The 475
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