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
SENNEBOGEN 2425017605, HYMAC 446B8023, BENATI 2101081, LARSEN & TOUBRO J20342312, POCLAIN-CASE POCLAIN H0242335, JOHN DEERE AT38206, ITM A21900A0S00, DAEWOO 9270-6005, Rola cu 1 flansa, EURODAEWOO 9270-6013, ATLAS-TEREX 3619310, SCHAEFF 5382660369, HYUNDAI 81E6-2002BG, BERCO PC377D, CATERPILLAR 7T6395, HANOMAG 4907442M91, BERCO LH351, VOLVO 43991, PMI 960302, LIEBHERR 5009539, LARSEN & TOUBRO L20242356, EDER 60.9414, BERCO LH351C, FUCHS 3600161042, SAMSUNG-H.I., ROCK-EXCAVATORS 1002.00705.00, HITACHI 9402810, JCB 208/32100, POCLAIN-CASE POCLAIN S1642331, ATLAS-TEREX 465385, HANOMAG 2997110M1, O.M. (CRUSHER) 274040400001, TESMEC T00-2600-022, CASAGRANDE 95505025, DRESSER-FURUKAWA 1230112H91, HANOMAG 3084573M91, MAIT 2175017, VPI VPC377V, LIEBHERR 5601365, BROYT NK7361041, WESERHUTTE E83467, RICHIER 308562530, CASE S243774, CATERPILLAR 8E7494, CASE S227591, ITM AX1900A0Y00, LIEBHERR 5209289, ITM A1404000M00, JCB 213/66800, CATERPILLAR 7K7085, CASAGRANDE 95505017, BERCO PC377A, DRESSER-FURUKAWA 3380337H91, Excavator, CATERPILLAR 7Z4838, INGERSOLL RAND 57695629, INGERSOLL RAND 56800121, BANTAM-KOEHRING 3018.43234, ROCK-EXCAVATORS 1002.01067.00, COSMOTER 817800035, BENATI 2101041, POCLAIN-CASE POCLAIN B1042338, SENNEBOGEN 017605, FAI 820220013, RICHIER 308512523, HYMAC 4468039, HANOMAG 2934983M91, REEDRILL 45834, PRIESTMAN 234756, DROTT S227591, RICHIER 484310411, BERCO PC377, VOLVO 020005170005, CNH-FIAT NEW HOLLAND 152101021, INGERSOLL RAND 70559786, HITACHI 9616354, HARNISCHFEGER 13U22, DROTT 214642, FIAT-HITACHI 45020336, DAEWOO 2270-6040, RICHIER 308572503, RICHIER 484309164, LIEBHERR 5209287, HYUNDAI 81E6-2002, LIEBHERR 5009091, DAEWOO 9270-6013, CATERPILLAR 5W4144, HINOWA 15167700, ROCK-EXCAVATORS 00705, SE130LCS, REEDRILL V005642, HYMAC 4468028, PMI 960006, POCLAIN-CASE POCLAIN S0842322, VOLVO 14043991, BAUER 262612, DAEWOO 2270-9403, CASAGRANDE 95505001, LIEBHERR 5004917, E.W.K. 535011702
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
HYUNDAI 81E6-2002, INGERSOLL RAND 56800121, SE130LCS, CASE S227591, PMI 960006, FIAT-HITACHI 45020336, CATERPILLAR 7T6395, DAEWOO 9270-6005, RICHIER 484309164, DAEWOO 9270-6013, LIEBHERR 5009539, HANOMAG 2997110M1, Excavator, ROCK-EXCAVATORS 1002.00705.00, RICHIER 308572503, EDER 60.9414, INGERSOLL RAND 70559786, JCB 208/32100, COSMOTER 817800035, Rola cu 1 flansa, HINOWA 15167700, POCLAIN-CASE POCLAIN B1042338, DAEWOO 2270-6040, LIEBHERR 5209289, CATERPILLAR 5W4144, ROCK-EXCAVATORS 1002.01067.00, SAMSUNG-H.I., CASAGRANDE 95505001, BANTAM-KOEHRING 3018.43234, MAIT 2175017, BENATI 2101041, HANOMAG 2934983M91, VOLVO 14043991, ITM A21900A0S00, ATLAS-TEREX 465385, LIEBHERR 5209287, ITM AX1900A0Y00, RICHIER 308512523, INGERSOLL RAND 57695629, BERCO LH351C, EURODAEWOO 9270-6013, CATERPILLAR 7K7085, HYMAC 446B8023, PMI 960302, LARSEN & TOUBRO L20242356, LIEBHERR 5009091, POCLAIN-CASE POCLAIN H0242335, HYMAC 4468039, RICHIER 484310411, O.M. (CRUSHER) 274040400001, E.W.K. 535011702, WESERHUTTE E83467, DRESSER-FURUKAWA 1230112H91, ATLAS-TEREX 3619310, HYMAC 4468028, CASAGRANDE 95505025, SCHAEFF 5382660369, SENNEBOGEN 017605, CASE S243774, POCLAIN-CASE POCLAIN S0842322, SENNEBOGEN 2425017605, RICHIER 308562530, BERCO PC377D, PRIESTMAN 234756, DRESSER-FURUKAWA 3380337H91, VOLVO 43991, BAUER 262612, HITACHI 9402810, CATERPILLAR 8E7494, HANOMAG 3084573M91, VOLVO 020005170005, FUCHS 3600161042, VPI VPC377V, BENATI 2101081, BERCO PC377, JOHN DEERE AT38206, TESMEC T00-2600-022, HARNISCHFEGER 13U22, LIEBHERR 5004917, BROYT NK7361041, BERCO LH351, HYUNDAI 81E6-2002BG, FAI 820220013, CNH-FIAT NEW HOLLAND 152101021, LIEBHERR 5601365, BERCO PC377A, ROCK-EXCAVATORS 00705, DROTT 214642, REEDRILL V005642, HANOMAG 4907442M91, LARSEN & TOUBRO J20342312, CASAGRANDE 95505017, DROTT S227591, DAEWOO 2270-9403, JCB 213/66800, POCLAIN-CASE POCLAIN S1642331, ITM A1404000M00, HITACHI 9616354, CATERPILLAR 7Z4838, REEDRILL 45834