Pit & Quarry, May 2016
EVOLUTION SERIES LOADING HAULING 1916 2016 100 years 1956 Koehring Co s heavy duty Dumptor hauler featured a 6 cu yd steel body that was cushioned against shocks while rocks were loaded According to the company it climbed 24 percent grades while fully loaded with material 1964 General Motors GM owned Euclid branded loaders in 1964 after an acquisition in the 1950s According to GM the Euclid L 20 and L 30 loaders reduced loader cycle time by about 51 percent 1973 International Harvester focused on improving operator comfort when it debuted the 300 Series Pay Hauler The 300 Series cabs featured air conditioning and vibration control which were new technologies to the industry in the 1970s 1986 In the late 1990s Columbia Quarry Co in Columbia Ill was the first company to use a Trojan Faul 55 ton haul truck at a U S crushed stone facility The quarry purchased five of these haul trucks for two of its operations Caterpillar offered 1998 retro fit kits to upgrade any Cat wheel loader making it more versatile and bringing it up to date The kits included things like a payload control system ride control system additional hydraulic valve and reversible radiator fan 32 PIT QUARRY May 2016 pitandquarry com
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