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
ITM D01060C0N17, TELCO-TATA 9TD01119/04, CNH-FIAT NEW HOLLAND 79004490, LIEBHERR 7402313, CNH-FIAT NEW HOLLAND 79009851, LANDINI MASSEY FERGUSON N1926, VARIOUS 571009, BERCO CR1250, LARSEN & TOUBRO V20134541, ATLAS-TEREX 0362007, C.M.W-(CHARLES-MACHINES) 107-364, LIEBHERR 7001334, KOMATSU 131437, EXTEC VCR1250, DRESSER 311347R2, SE200, LANDINI MASSEY FERGUSON 392826X1, LIEBHERR 4253411, VOLVO 044062, TELCO-TATA 9TD01583/3, INGERSOLL RAND 57700858, VOLVO 9112-12001, VOLVO 020005225990, LIEBHERR 4982173, CATERPILLAR 5W9828, BENATI 2001075, VOLVO 44062, VOLVO SA9112-12001, JOHN DEERE T43322, POCLAIN-CASE POCLAIN V2434592, LANDINI MASSEY FERGUSON 2979125M1, POCLAIN-CASE POCLAIN ZKI134536, DRESSER-FURUKAWA 1254381H1, JCB 200/61801, LANDINI MASSEY FERGUSON 2961659M1, HYUNDAI 81E6-37030, DAEWOO K1043367, VOLVO 14044062, LANDINI MASSEY FERGUSON 1430747M1, A.B.G. 21076294, WIRTGEN 43499, DAEWOO 2121-6014, LIEBHERR 4129303, CNH-FIAT NEW HOLLAND 4982173, SENNEBOGEN 3528013331, TELCO-TATA TD01119/04, POCLAIN-CASE POCLAIN K0134536, POCLAIN-CASE POCLAIN PK134536, SIMIT 45482379, VPI V1M1408, LIEBHERR 4122664, JOHN DEERE T45097, DAEWOO 9121-7004, MECALAC 5230071, CNH-FIAT NEW HOLLAND 579383, HANOMAG 2979125M, BERCO CR1250B, LIEBHERR 4111100, SAMSUNG-H.I., TELCO-TATA TD01583/3, EURODAEWOO 9121-6005D11, LIEBHERR 7001439, DRESSER 616209C1, VOLVO 14526392, DRESSER-FURUKAWA 3150627R1, MAIT 2175047, MAIT 2904108, INGERSOLL RAND 56965270, BENATI 2001015, JCB JNA0358, JCB JNA0086, CASE R25688, KOMATSU 00131437, JOHN DEERE CQ09338, Piulita, DRESSER 260714R1, POCLAIN-CASE POCLAIN P2434592V, LIEBHERR 4174947, CNH-FIAT NEW HOLLAND 71401387, HYUNDAI 81EL-25030, DAEWOO 9121-6005, VERMEER 1181230011, LANDINI MASSEY FERGUSON 2928706M1, SAMSUNG-H.I. 9112-01201, E.W.K. 501518401, GAMBETTI-BARRE M175903002, Excavator, REEDRILL V005767, JOHN DEERE-CAMECO CB01419006, CATERPILLAR 1M1408
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
LIEBHERR 4982173, LIEBHERR 7001439, MAIT 2904108, JCB 200/61801, MAIT 2175047, LIEBHERR 4111100, DRESSER-FURUKAWA 1254381H1, CATERPILLAR 5W9828, CNH-FIAT NEW HOLLAND 79004490, LIEBHERR 4253411, POCLAIN-CASE POCLAIN V2434592, LIEBHERR 4122664, VERMEER 1181230011, DRESSER 616209C1, KOMATSU 00131437, DRESSER 311347R2, SE200, LANDINI MASSEY FERGUSON 2961659M1, KOMATSU 131437, EXTEC VCR1250, JOHN DEERE T45097, LANDINI MASSEY FERGUSON 2979125M1, POCLAIN-CASE POCLAIN PK134536, VOLVO SA9112-12001, LIEBHERR 7402313, HYUNDAI 81EL-25030, VOLVO 44062, REEDRILL V005767, EURODAEWOO 9121-6005D11, INGERSOLL RAND 56965270, CNH-FIAT NEW HOLLAND 579383, DAEWOO 2121-6014, INGERSOLL RAND 57700858, VOLVO 044062, CATERPILLAR 1M1408, DAEWOO 9121-7004, MECALAC 5230071, DRESSER 260714R1, JCB JNA0358, POCLAIN-CASE POCLAIN P2434592V, VOLVO 14526392, CASE R25688, BERCO CR1250, A.B.G. 21076294, WIRTGEN 43499, SAMSUNG-H.I. 9112-01201, LANDINI MASSEY FERGUSON 1430747M1, CNH-FIAT NEW HOLLAND 79009851, E.W.K. 501518401, POCLAIN-CASE POCLAIN ZKI134536, ITM D01060C0N17, DAEWOO K1043367, VARIOUS 571009, LIEBHERR 7001334, Piulita, JOHN DEERE T43322, JOHN DEERE-CAMECO CB01419006, BENATI 2001075, VOLVO 020005225990, DRESSER-FURUKAWA 3150627R1, VOLVO 9112-12001, TELCO-TATA 9TD01119/04, CNH-FIAT NEW HOLLAND 71401387, LIEBHERR 4129303, TELCO-TATA TD01583/3, LANDINI MASSEY FERGUSON 392826X1, JCB JNA0086, DAEWOO 9121-6005, TELCO-TATA 9TD01583/3, LIEBHERR 4174947, SENNEBOGEN 3528013331, SAMSUNG-H.I., Excavator, C.M.W-(CHARLES-MACHINES) 107-364, BERCO CR1250B, POCLAIN-CASE POCLAIN K0134536, JOHN DEERE CQ09338, LANDINI MASSEY FERGUSON 2928706M1, VPI V1M1408, CNH-FIAT NEW HOLLAND 4982173, LARSEN & TOUBRO V20134541, LANDINI MASSEY FERGUSON N1926, HYUNDAI 81E6-37030, ATLAS-TEREX 0362007, HANOMAG 2979125M, VOLVO 14044062, TELCO-TATA TD01119/04, GAMBETTI-BARRE M175903002, BENATI 2001015, SIMIT 45482379