Continued improvements in truck design and performance extend horizons in open pit iron mining; use of trucks for shuttle haulage; 30-ton truck costs per hour; use of torque converter in 380-hp 30-ton vehicles; advantages of big trucks; costs analyzed; maintenance and repair of trucks.
Heavy duty trucks on Mesabi Range
Min Congress J
Mining Congress Journal ; 38 , n 1
1952
4 pages
Aufsatz (Zeitschrift)
Englisch
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