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
INGERSOLL RAND 57700858, TELCO-TATA 9TD01583/3, VPI V1M1408, DRESSER 616209C1, CASE R25688, LARSEN & TOUBRO V20134541, LANDINI MASSEY FERGUSON 392826X1, DRESSER 311347R2, JOHN DEERE-CAMECO CB01419006, VARIOUS 571009, BENATI 2001075, SENNEBOGEN 3528013331, LANDINI MASSEY FERGUSON N1926, WIRTGEN 43499, VOLVO 14044062, HYUNDAI 81E6-37030, KOMATSU 131437, DRESSER 260714R1, VOLVO 044062, TELCO-TATA TD01583/3, CNH-FIAT NEW HOLLAND 4982173, DAEWOO 2121-6014, POCLAIN-CASE POCLAIN P2434592V, LIEBHERR 4982173, BERCO CR1250B, GAMBETTI-BARRE M175903002, HANOMAG 2979125M, CNH-FIAT NEW HOLLAND 79009851, POCLAIN-CASE POCLAIN K0134536, JCB JNA0086, DRESSER-FURUKAWA 3150627R1, Buldozer, E.W.K. 501518401, LIEBHERR 4129303, CNH-FIAT NEW HOLLAND 71401387, CATERPILLAR 1M1408, LIEBHERR 4174947, LIEBHERR 4122664, EXTEC VCR1250, ITM D01060C0N17, TELCO-TATA TD01119/04, A.B.G. 21076294, POCLAIN-CASE POCLAIN V2434592, MAIT 2904108, CNH-FIAT NEW HOLLAND 79004490, JCB 200/61801, JOHN DEERE T45097, BENATI 2001015, VOLVO SA9112-12001, JOHN DEERE T43322, VOLVO 44062, LIEBHERR 7402313, EURODAEWOO 9121-6005D11, KOMATSU 00131437, VOLVO 9112-12001, VOLVO 14526392, VERMEER 1181230011, ATLAS-TEREX 0362007, LANDINI MASSEY FERGUSON 2961659M1, LANDINI MASSEY FERGUSON, TELCO-TATA 9TD01119/04, Piulita, CNH-FIAT NEW HOLLAND 579383, INGERSOLL RAND 56965270, MAIT 2175047, LANDINI MASSEY FERGUSON 1430747M1, JCB JNA0358, POCLAIN-CASE POCLAIN ZKI134536, HYUNDAI 81EL-25030, LANDINI MASSEY FERGUSON 2979125M1, MFD400B, DAEWOO 9121-6005, LIEBHERR 4111100, C.M.W-(CHARLES-MACHINES) 107-364, CATERPILLAR 5W9828, DAEWOO K1043367, LIEBHERR 4253411, BERCO CR1250, POCLAIN-CASE POCLAIN PK134536, LIEBHERR 7001439, DRESSER-FURUKAWA 1254381H1, JOHN DEERE CQ09338, MECALAC 5230071, REEDRILL V005767, LIEBHERR 7001334, LANDINI MASSEY FERGUSON 2928706M1, VOLVO 020005225990, SIMIT 45482379, DAEWOO 9121-7004, SAMSUNG-H.I. 9112-01201
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
WIRTGEN 43499, BENATI 2001015, JCB JNA0358, Buldozer, E.W.K. 501518401, JOHN DEERE-CAMECO CB01419006, BERCO CR1250B, INGERSOLL RAND 57700858, C.M.W-(CHARLES-MACHINES) 107-364, VOLVO 9112-12001, LIEBHERR 4122664, Piulita, POCLAIN-CASE POCLAIN K0134536, DRESSER 260714R1, LIEBHERR 4111100, ATLAS-TEREX 0362007, LIEBHERR 4129303, LIEBHERR 4253411, LIEBHERR 4174947, CNH-FIAT NEW HOLLAND 79009851, MAIT 2904108, REEDRILL V005767, KOMATSU 131437, GAMBETTI-BARRE M175903002, VOLVO 044062, MECALAC 5230071, LANDINI MASSEY FERGUSON 2928706M1, KOMATSU 00131437, POCLAIN-CASE POCLAIN ZKI134536, CNH-FIAT NEW HOLLAND 579383, VOLVO 14526392, MFD400B, HYUNDAI 81EL-25030, DAEWOO 9121-7004, DRESSER-FURUKAWA 3150627R1, VPI V1M1408, JCB JNA0086, LANDINI MASSEY FERGUSON N1926, DRESSER 311347R2, INGERSOLL RAND 56965270, BENATI 2001075, TELCO-TATA TD01583/3, POCLAIN-CASE POCLAIN PK134536, ITM D01060C0N17, VOLVO 44062, CATERPILLAR 5W9828, JOHN DEERE T43322, POCLAIN-CASE POCLAIN P2434592V, MAIT 2175047, LANDINI MASSEY FERGUSON 2961659M1, TELCO-TATA 9TD01119/04, TELCO-TATA TD01119/04, A.B.G. 21076294, LIEBHERR 7001439, VOLVO 14044062, POCLAIN-CASE POCLAIN V2434592, CNH-FIAT NEW HOLLAND 71401387, LIEBHERR 7001334, JOHN DEERE CQ09338, EURODAEWOO 9121-6005D11, EXTEC VCR1250, DAEWOO K1043367, DAEWOO 2121-6014, LANDINI MASSEY FERGUSON 1430747M1, LANDINI MASSEY FERGUSON, LIEBHERR 4982173, LANDINI MASSEY FERGUSON 2979125M1, CNH-FIAT NEW HOLLAND 4982173, VARIOUS 571009, VOLVO SA9112-12001, JCB 200/61801, VOLVO 020005225990, DRESSER 616209C1, BERCO CR1250, SIMIT 45482379, VERMEER 1181230011, LARSEN & TOUBRO V20134541, SAMSUNG-H.I. 9112-01201, DRESSER-FURUKAWA 1254381H1, CASE R25688, TELCO-TATA 9TD01583/3, LIEBHERR 7402313, HANOMAG 2979125M, CNH-FIAT NEW HOLLAND 79004490, JOHN DEERE T45097, CATERPILLAR 1M1408, DAEWOO 9121-6005, SENNEBOGEN 3528013331, LANDINI MASSEY FERGUSON 392826X1, HYUNDAI 81E6-37030