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
KOMATSU 00131437, LANDINI MASSEY FERGUSON 1430747M1, VARIOUS 571009, GAMBETTI-BARRE M175903002, VOLVO 044062, CATERPILLAR 5W9828, EXTEC VCR1250, WIRTGEN 43499, JOHN DEERE CQ09338, LANDINI MASSEY FERGUSON 392826X1, DAEWOO K1043367, E.W.K. 501518401, C.M.W-(CHARLES-MACHINES) 107-364, DAEWOO 2121-6014, JOHN DEERE T43322, POCLAIN-CASE POCLAIN PK134536, CNH-FIAT NEW HOLLAND 79004490, ITM D01060C0N17, POCLAIN-CASE POCLAIN P2434592V, Piulita, INGERSOLL RAND 56965270, MAIT 2175047, KOMATSU 131437, BERCO CR1250B, POCLAIN-CASE POCLAIN ZKI134536, DRESSER-FURUKAWA 1254381H1, CATERPILLAR 1M1408, LIEBHERR 7001439, DAEWOO 9121-6005, CNH-FIAT NEW HOLLAND 579383, VOLVO 14526392, CATERPILLAR, DRESSER 260714R1, MECALAC 5230071, DRESSER-FURUKAWA 3150627R1, JCB 200/61801, BENATI 2001015, VOLVO 020005225990, 215, VOLVO 44062, TELCO-TATA 9TD01583/3, BENATI 2001075, HANOMAG 2979125M, ATLAS-TEREX 0362007, BERCO CR1250, HYUNDAI 81E6-37030, 95Z -1-UP, POCLAIN-CASE POCLAIN K0134536, LIEBHERR 4129303, LIEBHERR 4982173, LANDINI MASSEY FERGUSON 2928706M1, JCB JNA0358, LIEBHERR 7001334, VOLVO 9112-12001, LARSEN & TOUBRO V20134541, SENNEBOGEN 3528013331, DAEWOO 9121-7004, VERMEER 1181230011, LIEBHERR 7402313, HYUNDAI 81EL-25030, LANDINI MASSEY FERGUSON N1926, LIEBHERR 4122664, DRESSER 616209C1, JOHN DEERE T45097, REEDRILL V005767, CASE R25688, CNH-FIAT NEW HOLLAND 71401387, LIEBHERR 4111100, JCB JNA0086, LANDINI MASSEY FERGUSON 2979125M1, LANDINI MASSEY FERGUSON 2961659M1, TELCO-TATA 9TD01119/04, SIMIT 45482379, A.B.G. 21076294, LIEBHERR 4174947, DRESSER 311347R2, VOLVO 14044062, TELCO-TATA TD01119/04, VPI V1M1408, JOHN DEERE-CAMECO CB01419006, INGERSOLL RAND 57700858, LIEBHERR 4253411, POCLAIN-CASE POCLAIN V2434592, Excavator, TELCO-TATA TD01583/3, VOLVO SA9112-12001, EURODAEWOO 9121-6005D11, SAMSUNG-H.I. 9112-01201, CNH-FIAT NEW HOLLAND 4982173, MAIT 2904108, CNH-FIAT NEW HOLLAND 79009851
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
VPI V1M1408, TELCO-TATA TD01583/3, VOLVO SA9112-12001, ATLAS-TEREX 0362007, VERMEER 1181230011, Piulita, DAEWOO 9121-7004, 215, CNH-FIAT NEW HOLLAND 4982173, CNH-FIAT NEW HOLLAND 579383, JCB 200/61801, LIEBHERR 4253411, HANOMAG 2979125M, BERCO CR1250, WIRTGEN 43499, POCLAIN-CASE POCLAIN P2434592V, JOHN DEERE CQ09338, EXTEC VCR1250, POCLAIN-CASE POCLAIN PK134536, VOLVO 044062, VARIOUS 571009, DRESSER 311347R2, JOHN DEERE T45097, GAMBETTI-BARRE M175903002, HYUNDAI 81E6-37030, LIEBHERR 4129303, CNH-FIAT NEW HOLLAND 71401387, Excavator, LARSEN & TOUBRO V20134541, VOLVO 44062, DAEWOO 9121-6005, HYUNDAI 81EL-25030, MAIT 2904108, POCLAIN-CASE POCLAIN V2434592, A.B.G. 21076294, TELCO-TATA 9TD01119/04, LANDINI MASSEY FERGUSON 1430747M1, JCB JNA0358, DRESSER 260714R1, LIEBHERR 4111100, BERCO CR1250B, MAIT 2175047, POCLAIN-CASE POCLAIN K0134536, JOHN DEERE-CAMECO CB01419006, DRESSER-FURUKAWA 3150627R1, INGERSOLL RAND 57700858, LIEBHERR 4122664, BENATI 2001075, VOLVO 020005225990, CATERPILLAR 1M1408, REEDRILL V005767, DRESSER 616209C1, SENNEBOGEN 3528013331, MECALAC 5230071, LANDINI MASSEY FERGUSON N1926, CATERPILLAR 5W9828, E.W.K. 501518401, SAMSUNG-H.I. 9112-01201, LIEBHERR 4982173, LIEBHERR 4174947, KOMATSU 131437, TELCO-TATA TD01119/04, LIEBHERR 7402313, SIMIT 45482379, POCLAIN-CASE POCLAIN ZKI134536, BENATI 2001015, EURODAEWOO 9121-6005D11, VOLVO 9112-12001, LIEBHERR 7001439, JCB JNA0086, CNH-FIAT NEW HOLLAND 79004490, CNH-FIAT NEW HOLLAND 79009851, INGERSOLL RAND 56965270, LANDINI MASSEY FERGUSON 2961659M1, 95Z -1-UP, ITM D01060C0N17, LIEBHERR 7001334, CASE R25688, VOLVO 14526392, KOMATSU 00131437, TELCO-TATA 9TD01583/3, LANDINI MASSEY FERGUSON 2979125M1, LANDINI MASSEY FERGUSON 2928706M1, C.M.W-(CHARLES-MACHINES) 107-364, JOHN DEERE T43322, DRESSER-FURUKAWA 1254381H1, DAEWOO K1043367, LANDINI MASSEY FERGUSON 392826X1, VOLVO 14044062, DAEWOO 2121-6014, CATERPILLAR