Noul buldozer dispune de un motor de 634 kW (850 de cai), de lame ce se pot deplasa până la 43,6 mᵌ și constructorii indică o greutate de serviciu de ceva mai mult de 112 de tone. Noua motorizare permite modelului să răspundă exigențelor normelor americane Tier 4 al EPA. Emisiile de oxid de azot în
PMI 960006, INGERSOLL RAND 57695629, EURODAEWOO 9270-6013, E.W.K. 535011702, DAEWOO 9270-6005, Rola de sustinere, RICHIER 308572503, CASAGRANDE 95505025, CASAGRANDE 95505017, LARSEN & TOUBRO L20242356, DAEWOO 9270-6013, SCHAEFF 5382660369, FAI 820220013, CASE S227591, VOLVO 020005170005, BERCO PC377A, DROTT 214642, ITM A1404000M00, LIEBHERR 5009091, HYMAC 4468039, LIEBHERR 5209289, CATERPILLAR 5W4144, REEDRILL 45834, LIEBHERR 5209287, POCLAIN-CASE POCLAIN S0842322, INGERSOLL RAND 56800121, BANTAM-KOEHRING 3018.43234, HYMAC 446B8023, FIAT-HITACHI 45020336, LIEBHERR 5601365, WESERHUTTE E83467, O.M. (CRUSHER) 274040400001, TESMEC T00-2600-022, BAUER 262612, HYUNDAI 81E6-2002, CASAGRANDE 95505001, CATERPILLAR 7K7085, HYUNDAI 81E6-2002BG, HARNISCHFEGER 13U22, VOLVO 43991, HANOMAG 4907442M91, HINOWA 15167700, EDER 60.9414, ROCK-EXCAVATORS 1002.00705.00, BERCO LH351, BERCO PC377D, JCB 213/66800, JOHN DEERE AT38206, POCLAIN-CASE POCLAIN H0242335, DRESSER-FURUKAWA 3380337H91, Excavator, MAIT 2175017, HITACHI 9616354, CATERPILLAR 8E7494, REEDRILL V005642, HYMAC 4468028, CASE S243774, HANOMAG 3084573M91, ATLAS-TEREX 3619310, LIEBHERR 5009539, POCLAIN-CASE POCLAIN B1042338, RICHIER 308512523, PRIESTMAN 234756, COSMOTER 817800035, SENNEBOGEN 2425017605, ROCK-EXCAVATORS 00705, CATERPILLAR 7T6395, CATERPILLAR 7Z4838, ROCK-EXCAVATORS 1002.01067.00, LARSEN & TOUBRO J20342312, DRESSER-FURUKAWA 1230112H91, POCLAIN-CASE POCLAIN S1642331, RICHIER 484309164, HITACHI, LIEBHERR 5004917, CNH-FIAT NEW HOLLAND 152101021, ITM AX1900A0Y00, HITACHI 9402810, ITM A21900A0S00, UH062, RICHIER 308562530, JCB 208/32100, VPI VPC377V, ATLAS-TEREX 465385, BERCO PC377, RICHIER 484310411, PMI 960302, BROYT NK7361041, BENATI 2101041, BENATI 2101081, HANOMAG 2934983M91, DAEWOO 2270-6040, DROTT S227591, INGERSOLL RAND 70559786, BERCO LH351C, DAEWOO 2270-9403, VOLVO 14043991, HANOMAG 2997110M1, SENNEBOGEN 017605, FUCHS 3600161042
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
HYMAC 4468028, HANOMAG 4907442M91, PRIESTMAN 234756, DAEWOO 2270-6040, LIEBHERR 5209287, ATLAS-TEREX 3619310, DAEWOO 9270-6005, WESERHUTTE E83467, HANOMAG 2997110M1, VOLVO 43991, CATERPILLAR 7T6395, POCLAIN-CASE POCLAIN S0842322, COSMOTER 817800035, SENNEBOGEN 017605, SENNEBOGEN 2425017605, EDER 60.9414, E.W.K. 535011702, JCB 213/66800, ITM AX1900A0Y00, Rola de sustinere, HITACHI, BAUER 262612, RICHIER 308512523, HYMAC 446B8023, JCB 208/32100, CASAGRANDE 95505025, LIEBHERR 5009091, BENATI 2101041, HARNISCHFEGER 13U22, VPI VPC377V, UH062, CASAGRANDE 95505017, HYUNDAI 81E6-2002, POCLAIN-CASE POCLAIN S1642331, REEDRILL V005642, HYMAC 4468039, BERCO PC377, ROCK-EXCAVATORS 1002.01067.00, INGERSOLL RAND 56800121, DROTT 214642, BROYT NK7361041, CASE S227591, ITM A21900A0S00, POCLAIN-CASE POCLAIN B1042338, BENATI 2101081, FUCHS 3600161042, CASAGRANDE 95505001, LARSEN & TOUBRO L20242356, BERCO LH351C, RICHIER 308562530, HITACHI 9616354, O.M. (CRUSHER) 274040400001, Excavator, DAEWOO 2270-9403, DAEWOO 9270-6013, PMI 960302, SCHAEFF 5382660369, DRESSER-FURUKAWA 3380337H91, LIEBHERR 5601365, BERCO PC377D, ITM A1404000M00, CATERPILLAR 8E7494, CATERPILLAR 7Z4838, POCLAIN-CASE POCLAIN H0242335, ROCK-EXCAVATORS 1002.00705.00, CASE S243774, CATERPILLAR 7K7085, DROTT S227591, FIAT-HITACHI 45020336, VOLVO 020005170005, VOLVO 14043991, LIEBHERR 5004917, CATERPILLAR 5W4144, JOHN DEERE AT38206, BERCO PC377A, INGERSOLL RAND 57695629, RICHIER 308572503, RICHIER 484310411, HANOMAG 3084573M91, BANTAM-KOEHRING 3018.43234, ATLAS-TEREX 465385, EURODAEWOO 9270-6013, HYUNDAI 81E6-2002BG, DRESSER-FURUKAWA 1230112H91, HINOWA 15167700, ROCK-EXCAVATORS 00705, LARSEN & TOUBRO J20342312, TESMEC T00-2600-022, INGERSOLL RAND 70559786, CNH-FIAT NEW HOLLAND 152101021, REEDRILL 45834, LIEBHERR 5209289, HANOMAG 2934983M91, BERCO LH351, RICHIER 484309164, HITACHI 9402810, MAIT 2175017, PMI 960006, FAI 820220013, LIEBHERR 5009539