Utilajul de constructii a fost testat pe santiere aflate la o altitudine mare si in lucrari realizate la temperaturi scazute. Astfel, cumparatorii buldozerului Komatsu D65-17 sunt convinsi ca utilajul va respecta norma Tier 4 in orice imprejurare. Puterea motorului acestui buldozer Komatsu variaza intre 208 si 222
PMI 960282, CATERPILLAR 5M8631, POCLAIN-CASE POCLAIN, LIEBHERR 5000952, LARSEN & TOUBRO L20342314, RICHIER 308562502, MENCK 521K10120, BERCO CR2881B, VPI VCR2881V, BENATI 2106142, DROTT S239440, FAI 820210010, CATERPILLAR 5K6537, MC100, Rola de sustinere, HANOMAG 2905242M, ITM C0105100M00, Excavator, LIEBHERR 5604451, LIEBHERR 5601351, RICHIER 308512534, LIEBHERR 5004451, CASE S239440, POCLAIN-CASE POCLAIN ZKI842332, RICHIER 404309641, HANOMAG 395938788, BENATI 2106001, POCLAIN-CASE POCLAIN D0842332, ATLAS-TEREX 1365693, CATERPILLAR 9S3570, CATERPILLAR 8S0465, CATERPILLAR 5A8374, BERCO CR2189, RICHIER 484404844, JOHN DEERE AT174847, LARSEN & TOUBRO E10042379, POCLAIN-CASE POCLAIN P0042379, CATERPILLAR 4K3985, RICHIER 484404845, HANOMAG 2905242M91, HYMAC 4467005, J.S.W. 35000000, BERCO CR2881, LANDINI MASSEY FERGUSON 1430324M91, LIEBHERR 5003858, CATERPILLAR 5Y1130, BANTAM-KOEHRING 3018.56492
In timp ce modelele standard ale Seriei 3 beneficiază de o transmisie hidrostatică cu două viteze, care permite utilajelor să se deplaseze cu viteze cuprinse între 0-20 km/h, noul 121E HTS, împreună cu alte două modele mai mari, utilizează o unitate hidrostatică cu două trepte în combinaţie
CATERPILLAR 8S0465, CATERPILLAR 5Y1130, BENATI 2106142, FAI 820210010, BERCO CR2881B, BANTAM-KOEHRING 3018.56492, CASE S239440, PMI 960282, CATERPILLAR 5M8631, LIEBHERR 5000952, ATLAS-TEREX 1365693, POCLAIN-CASE POCLAIN ZKI842332, POCLAIN-CASE POCLAIN P0042379, LIEBHERR 5601351, RICHIER 404309641, Rola de sustinere, RICHIER 308562502, POCLAIN-CASE POCLAIN, JOHN DEERE AT174847, CATERPILLAR 4K3985, CATERPILLAR 5K6537, HANOMAG 2905242M91, Excavator, RICHIER 484404844, LARSEN & TOUBRO E10042379, ITM C0105100M00, BERCO CR2189, HYMAC 4467005, BENATI 2106001, LIEBHERR 5003858, LARSEN & TOUBRO L20342314, LIEBHERR 5604451, LIEBHERR 5004451, HANOMAG 2905242M, CATERPILLAR 9S3570, BERCO CR2881, CATERPILLAR 5A8374, POCLAIN-CASE POCLAIN D0842332, RICHIER 484404845, LANDINI MASSEY FERGUSON 1430324M91, J.S.W. 35000000, HANOMAG 395938788, VPI VCR2881V, MC100, DROTT S239440, RICHIER 308512534, MENCK 521K10120