New 10-cu yd Michigan 475 articulated tractor shovel (powered by Cummins V12-635-CI diesel, rated 635 hp maximum) teamed with 12 Peterbilt bottom-dump doubles combinations (with 318 hp Detroit Diesel 8V-71 engines) -- moves average 7000 cu yd/day and is scheduled to move 3.5 million cu yd by 1970; Michigan 145 tractor shovel, powered by its single Cummins V12-635-CI (554 flywheel hp at 2000 rpm) diesel, has amazing speed and agility; power train includes Clark 3 to 1 16000-series torque converter and Clark 12-speed 8000-series power shift transmission; excellent maintenance performance has been reported.
For 3.5 million yd. project -- Big tractor shovel teams with new dirt haul fleet
Diesel and Gas Turbine Progress
Diesel and Gas Turbine Progress ; 34 , n 4 ; p 44-45
1968
2 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1967
|A Giant Tractor Shovel - The 475
SAE Technical Papers | 1967
|Concept to Reality in Tractor Shovel Design
SAE Technical Papers | 1963
|Stress Testing of Clark Model 45B Tractor Shovel
SAE Technical Papers | 1974
|