Nkuruganda rwikirango rufite uburambe bwimyaka irenga 30 ya firigo, isosiyete ya colku ifite imirongo yibicuruzwa bigera kuri 60. Firigo ntoya yimodoka, firigo zikonjesha, ibyuma bifata ibyuma bikonjesha, ibyuma bifata ibyuma bya RV, nibindi byose ni imbaraga. Imwe murukurikirane rwa GC, firigo ya GC60 yo hanze, ifite ubushobozi bwa 59L, 12v / 24v ibisabwa byo gutanga amashanyarazi, panneaux insulation ikora neza, hamwe nibikoresho bya HIPS imbere. Bifite ibikoresho byo gushushanya hamwe ninziga icyarimwe, birashobora gutanga imikorere myiza yaba hanze cyangwa ingando.