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
DRESSER-FURUKAWA 1230112H91, BENATI 2101041, R100, HYMAC 4468039, RICHIER 484309164, JCB 208/32100, LARSEN & TOUBRO L20242356, BERCO PC377A, ROCK-EXCAVATORS 1002.00705.00, DAEWOO 2270-6040, FUCHS 3600161042, BENATI 2101081, PMI 960006, HANOMAG 2934983M91, DROTT S227591, PMI 960302, HANOMAG 2997110M1, CATERPILLAR 7Z4838, COSMOTER 817800035, LIEBHERR 5009091, REEDRILL V005642, HYMAC 446B8023, DRESSER-FURUKAWA 3380337H91, PRIESTMAN 234756, LIEBHERR 5209287, EURODAEWOO 9270-6013, JOHN DEERE AT38206, E.W.K. 535011702, BERCO LH351C, POCLAIN-CASE POCLAIN S1642331, DAEWOO 9270-6013, HYUNDAI 81E6-2002, LIEBHERR 5209289, FIAT-HITACHI 45020336, CNH-FIAT NEW HOLLAND 152101021, JCB 213/66800, HANOMAG 3084573M91, LIEBHERR 5601365, RICHIER 308512523, WESERHUTTE E83467, ITM AX1900A0Y00, HINOWA 15167700, ATLAS-TEREX 3619310, VOLVO 43991, REEDRILL 45834, POCLAIN-CASE POCLAIN H0242335, POCLAIN-CASE POCLAIN S0842322, CASAGRANDE 95505025, CASAGRANDE 95505001, ITM A1404000M00, BROYT NK7361041, BANTAM-KOEHRING 3018.43234, VOLVO 14043991, RICHIER 484310411, CATERPILLAR 8E7494, INGERSOLL RAND 57695629, CASE S227591, ITM A21900A0S00, RICHIER 308572503, INGERSOLL RAND 56800121, BERCO PC377, VPI VPC377V, VOLVO 020005170005, MAIT 2175017, TESMEC T00-2600-022, HYUNDAI 81E6-2002BG, CATERPILLAR 7T6395, RICHIER 308562530, EDER 60.9414, LIEBHERR 5009539, SCHAEFF 5382660369, BAUER 262612, Rola cu 1 flansa, HITACHI 9402810, CATERPILLAR 7K7085, LIEBHERR 5004917, BERCO PC377D, CATERPILLAR 5W4144, BERCO LH351, CASE S243774, HITACHI 9616354, ROCK-EXCAVATORS 00705, INGERSOLL RAND 70559786, DAEWOO 2270-9403, HANOMAG 4907442M91, ROCK-EXCAVATORS 1002.01067.00, ATLAS-TEREX 465385, HANOMAG, POCLAIN-CASE POCLAIN B1042338, LARSEN & TOUBRO J20342312, CASAGRANDE 95505017, DROTT 214642, O.M. (CRUSHER) 274040400001, Excavator, HYMAC 4468028, SENNEBOGEN 2425017605, DAEWOO 9270-6005, FAI 820220013, SENNEBOGEN 017605, HARNISCHFEGER 13U22
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
R100, CASAGRANDE 95505017, DAEWOO 2270-6040, BENATI 2101041, POCLAIN-CASE POCLAIN S0842322, CATERPILLAR 8E7494, DAEWOO 9270-6005, VOLVO 14043991, CNH-FIAT NEW HOLLAND 152101021, DROTT S227591, HYMAC 4468039, JCB 213/66800, EDER 60.9414, WESERHUTTE E83467, HYUNDAI 81E6-2002BG, RICHIER 484309164, ATLAS-TEREX 3619310, HANOMAG 3084573M91, HYUNDAI 81E6-2002, JCB 208/32100, COSMOTER 817800035, RICHIER 308562530, CASE S243774, HITACHI 9616354, HITACHI 9402810, HARNISCHFEGER 13U22, Excavator, ITM A21900A0S00, ITM AX1900A0Y00, LARSEN & TOUBRO L20242356, BERCO PC377, DAEWOO 9270-6013, RICHIER 484310411, BERCO PC377A, PMI 960006, CASAGRANDE 95505025, ATLAS-TEREX 465385, INGERSOLL RAND 57695629, VOLVO 020005170005, LIEBHERR 5209287, VPI VPC377V, TESMEC T00-2600-022, CATERPILLAR 7T6395, REEDRILL V005642, HANOMAG 2934983M91, POCLAIN-CASE POCLAIN S1642331, CASAGRANDE 95505001, DRESSER-FURUKAWA 3380337H91, ROCK-EXCAVATORS 00705, PRIESTMAN 234756, HANOMAG, BROYT NK7361041, LIEBHERR 5009091, BERCO LH351, O.M. (CRUSHER) 274040400001, DROTT 214642, SENNEBOGEN 2425017605, ITM A1404000M00, HYMAC 4468028, REEDRILL 45834, HANOMAG 2997110M1, LARSEN & TOUBRO J20342312, SENNEBOGEN 017605, BERCO PC377D, CASE S227591, FAI 820220013, DRESSER-FURUKAWA 1230112H91, CATERPILLAR 7Z4838, RICHIER 308572503, BAUER 262612, CATERPILLAR 5W4144, JOHN DEERE AT38206, BANTAM-KOEHRING 3018.43234, RICHIER 308512523, FUCHS 3600161042, CATERPILLAR 7K7085, INGERSOLL RAND 56800121, LIEBHERR 5209289, VOLVO 43991, EURODAEWOO 9270-6013, BERCO LH351C, ROCK-EXCAVATORS 1002.01067.00, POCLAIN-CASE POCLAIN H0242335, LIEBHERR 5004917, HANOMAG 4907442M91, E.W.K. 535011702, LIEBHERR 5009539, HYMAC 446B8023, DAEWOO 2270-9403, POCLAIN-CASE POCLAIN B1042338, ROCK-EXCAVATORS 1002.00705.00, HINOWA 15167700, LIEBHERR 5601365, INGERSOLL RAND 70559786, MAIT 2175017, SCHAEFF 5382660369, Rola cu 1 flansa, FIAT-HITACHI 45020336, BENATI 2101081, PMI 960302