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
DRESSER 311347R2, GAMBETTI-BARRE M175903002, TELCO-TATA TD01583/3, TELCO-TATA 9TD01119/04, HANOMAG 2979125M, Incarcator, JCB 200/61801, LIEBHERR 4122664, MAIT 2175047, INGERSOLL RAND 57700858, CATERPILLAR 1M1408, JCB JNA0086, LANDINI MASSEY FERGUSON 2979125M1, DRESSER 616209C1, BERCO CR1250, POCLAIN-CASE POCLAIN PK134536, BENATI 2001015, EURODAEWOO 9121-6005D11, KOMATSU 131437, JOHN DEERE T45097, ITM D01060C0N17, VERMEER 1181230011, DRESSER-FURUKAWA 1254381H1, MECALAC 5230071, SIMIT 45482379, JOHN DEERE T43322, LARSEN & TOUBRO V20134541, HYUNDAI 81EL-25030, DAEWOO 2121-6014, SENNEBOGEN 3528013331, CNH-FIAT NEW HOLLAND 4982173, CASE R25688, VOLVO 044062, DAEWOO 9121-7004, HYUNDAI 81E6-37030, JOHN DEERE CQ09338, POCLAIN-CASE POCLAIN P2434592V, JCB JNA0358, VARIOUS 571009, DRESSER 260714R1, TELCO-TATA 9TD01583/3, LIEBHERR 4253411, POCLAIN-CASE POCLAIN ZKI134536, POCLAIN-CASE POCLAIN V2434592, LIEBHERR 4111100, LIEBHERR 7001439, MAIT 2904108, KOMATSU 00131437, VOLVO SA9112-12001, LANDINI MASSEY FERGUSON 2928706M1, A.B.G. 21076294, 1155D, LANDINI MASSEY FERGUSON 392826X1, EXTEC VCR1250, CNH-FIAT NEW HOLLAND 71401387, LIEBHERR 4174947, POCLAIN-CASE POCLAIN K0134536, VOLVO 14526392, VOLVO 9112-12001, DAEWOO 9121-6005, LANDINI MASSEY FERGUSON 2961659M1, LANDINI MASSEY FERGUSON N1926, DRESSER-FURUKAWA 3150627R1, CNH-FIAT NEW HOLLAND 579383, LIEBHERR 4129303, LIEBHERR 7402313, SAMSUNG-H.I. 9112-01201, CNH-FIAT NEW HOLLAND 79009851, LIEBHERR 4982173, LOADER SECOND TYPE, CATERPILLAR 5W9828, C.M.W-(CHARLES-MACHINES) 107-364, CASE, TELCO-TATA TD01119/04, BERCO CR1250B, INGERSOLL RAND 56965270, LIEBHERR 7001334, BENATI 2001075, REEDRILL V005767, DAEWOO K1043367, WIRTGEN 43499, JOHN DEERE-CAMECO CB01419006, ATLAS-TEREX 0362007, VOLVO 020005225990, E.W.K. 501518401, LANDINI MASSEY FERGUSON 1430747M1, Piulita, VOLVO 14044062, VPI V1M1408, CNH-FIAT NEW HOLLAND 79004490, VOLVO 44062
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
MAIT 2175047, Incarcator, VOLVO 14526392, TELCO-TATA 9TD01583/3, ATLAS-TEREX 0362007, HANOMAG 2979125M, EXTEC VCR1250, CNH-FIAT NEW HOLLAND 579383, LIEBHERR 4111100, POCLAIN-CASE POCLAIN P2434592V, EURODAEWOO 9121-6005D11, DRESSER 260714R1, LANDINI MASSEY FERGUSON 2979125M1, TELCO-TATA TD01583/3, LIEBHERR 4129303, POCLAIN-CASE POCLAIN V2434592, DAEWOO 2121-6014, GAMBETTI-BARRE M175903002, VOLVO 14044062, CATERPILLAR 5W9828, 1155D, JCB 200/61801, HYUNDAI 81EL-25030, HYUNDAI 81E6-37030, E.W.K. 501518401, LIEBHERR 4253411, SAMSUNG-H.I. 9112-01201, KOMATSU 131437, SENNEBOGEN 3528013331, LIEBHERR 7001334, VOLVO SA9112-12001, CNH-FIAT NEW HOLLAND 4982173, LOADER SECOND TYPE, INGERSOLL RAND 57700858, DRESSER-FURUKAWA 3150627R1, DRESSER-FURUKAWA 1254381H1, CATERPILLAR 1M1408, LANDINI MASSEY FERGUSON 2961659M1, TELCO-TATA 9TD01119/04, VOLVO 44062, JCB JNA0358, CNH-FIAT NEW HOLLAND 71401387, JCB JNA0086, TELCO-TATA TD01119/04, BERCO CR1250, LANDINI MASSEY FERGUSON 1430747M1, POCLAIN-CASE POCLAIN K0134536, DRESSER 616209C1, DRESSER 311347R2, DAEWOO K1043367, A.B.G. 21076294, CASE, VOLVO 9112-12001, VPI V1M1408, C.M.W-(CHARLES-MACHINES) 107-364, MAIT 2904108, VERMEER 1181230011, INGERSOLL RAND 56965270, LIEBHERR 7402313, BERCO CR1250B, BENATI 2001015, CNH-FIAT NEW HOLLAND 79009851, KOMATSU 00131437, LIEBHERR 4982173, LANDINI MASSEY FERGUSON 392826X1, VOLVO 020005225990, DAEWOO 9121-7004, LIEBHERR 4174947, DAEWOO 9121-6005, BENATI 2001075, JOHN DEERE-CAMECO CB01419006, REEDRILL V005767, WIRTGEN 43499, POCLAIN-CASE POCLAIN PK134536, MECALAC 5230071, LARSEN & TOUBRO V20134541, JOHN DEERE T45097, LIEBHERR 7001439, VOLVO 044062, ITM D01060C0N17, LIEBHERR 4122664, CASE R25688, SIMIT 45482379, JOHN DEERE CQ09338, POCLAIN-CASE POCLAIN ZKI134536, LANDINI MASSEY FERGUSON N1926, CNH-FIAT NEW HOLLAND 79004490, Piulita, LANDINI MASSEY FERGUSON 2928706M1, VARIOUS 571009, JOHN DEERE T43322