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
BERCO CR1250, LIEBHERR 4129303, INGERSOLL RAND 57700858, BENATI 2001015, TELCO-TATA 9TD01583/3, E.W.K. 501518401, SAMSUNG-H.I. 9112-01201, POCLAIN-CASE POCLAIN K0134536, A.B.G. 21076294, MECALAC 5230071, KOMATSU 131437, DAEWOO K1043367, INGERSOLL RAND 56965270, DAEWOO 9121-7004, LIEBHERR 4253411, VOLVO SA9112-12001, LANDINI MASSEY FERGUSON 392826X1, VPI V1M1408, EXTEC VCR1250, VOLVO 14526392, SIMIT 45482379, JOHN DEERE-CAMECO CB01419006, LIEBHERR 4174947, TELCO-TATA TD01119/04, BERCO CR1250B, JOHN DEERE T45097, ITM D01060C0N17, CATERPILLAR 1M1408, VERMEER 1181230011, LIEBHERR 7001439, LIEBHERR 7001334, MAIT 2904108, CNH-FIAT NEW HOLLAND 4982173, D6, JOHN DEERE T43322, LIEBHERR 7402313, LIEBHERR 4111100, LANDINI MASSEY FERGUSON 1430747M1, HYUNDAI 81E6-37030, VOLVO 14044062, POCLAIN-CASE POCLAIN ZKI134536, HYUNDAI 81EL-25030, CNH-FIAT NEW HOLLAND 79009851, JOHN DEERE CQ09338, LANDINI MASSEY FERGUSON 2928706M1, LANDINI MASSEY FERGUSON N1926, EURODAEWOO 9121-6005D11, CASE R25688, LIEBHERR 4982173, JCB 200/61801, VOLVO 020005225990, DRESSER-FURUKAWA 3150627R1, POCLAIN-CASE POCLAIN PK134536, C.M.W-(CHARLES-MACHINES) 107-364, DRESSER-FURUKAWA 1254381H1, LARSEN & TOUBRO V20134541, CNH-FIAT NEW HOLLAND 79004490, WIRTGEN 43499, VOLVO 044062, Buldozer, VOLVO 44062, DAEWOO 9121-6005, CATERPILLAR 5W9828, CATERPILLAR, CNH-FIAT NEW HOLLAND 579383, TELCO-TATA 9TD01119/04, DAEWOO 2121-6014, DRESSER 311347R2, GAMBETTI-BARRE M175903002, ATLAS-TEREX 0362007, SENNEBOGEN 3528013331, TELCO-TATA TD01583/3, REEDRILL V005767, KOMATSU 00131437, DRESSER 616209C1, LANDINI MASSEY FERGUSON 2979125M1, JCB JNA0358, POCLAIN-CASE POCLAIN V2434592, JCB JNA0086, POCLAIN-CASE POCLAIN P2434592V, CNH-FIAT NEW HOLLAND 71401387, LANDINI MASSEY FERGUSON 2961659M1, BENATI 2001075, LIEBHERR 4122664, 9U-29219-UP, HANOMAG 2979125M, MAIT 2175047, DRESSER 260714R1, Piulita, VOLVO 9112-12001, VARIOUS 571009
Noul model oferă performanţă şi productivitate, respectând în acelaşi timp normele legate de emisiile poluante. Sarcina sa utilă nominală este de 16 tone, cu o tonă mai mult decât cea a modelului 990H. Noile sale cupe, provenite de la seria Performance, au capacităţi cuprinse într
POCLAIN-CASE POCLAIN PK134536, TELCO-TATA 9TD01583/3, SAMSUNG-H.I. 9112-01201, KOMATSU 131437, CATERPILLAR 5W9828, POCLAIN-CASE POCLAIN V2434592, TELCO-TATA TD01119/04, LIEBHERR 4122664, E.W.K. 501518401, MAIT 2904108, HYUNDAI 81E6-37030, LIEBHERR 7402313, A.B.G. 21076294, LANDINI MASSEY FERGUSON 392826X1, EURODAEWOO 9121-6005D11, POCLAIN-CASE POCLAIN ZKI134536, KOMATSU 00131437, BENATI 2001015, BERCO CR1250, LIEBHERR 4982173, CASE R25688, LANDINI MASSEY FERGUSON 2961659M1, JCB 200/61801, JOHN DEERE-CAMECO CB01419006, TELCO-TATA TD01583/3, LARSEN & TOUBRO V20134541, DRESSER 311347R2, VOLVO 044062, REEDRILL V005767, DRESSER 260714R1, ATLAS-TEREX 0362007, VOLVO 14526392, D6, DRESSER 616209C1, LANDINI MASSEY FERGUSON N1926, INGERSOLL RAND 56965270, ITM D01060C0N17, JCB JNA0086, DAEWOO 9121-7004, VERMEER 1181230011, JCB JNA0358, VOLVO SA9112-12001, LIEBHERR 7001439, Buldozer, DAEWOO 2121-6014, VOLVO 14044062, CATERPILLAR, LIEBHERR 7001334, POCLAIN-CASE POCLAIN K0134536, LANDINI MASSEY FERGUSON 2928706M1, VPI V1M1408, Piulita, VARIOUS 571009, BERCO CR1250B, VOLVO 44062, DAEWOO K1043367, DRESSER-FURUKAWA 1254381H1, C.M.W-(CHARLES-MACHINES) 107-364, CNH-FIAT NEW HOLLAND 4982173, HYUNDAI 81EL-25030, CATERPILLAR 1M1408, DRESSER-FURUKAWA 3150627R1, CNH-FIAT NEW HOLLAND 71401387, JOHN DEERE T43322, LANDINI MASSEY FERGUSON 2979125M1, 9U-29219-UP, GAMBETTI-BARRE M175903002, TELCO-TATA 9TD01119/04, BENATI 2001075, DAEWOO 9121-6005, LIEBHERR 4174947, LANDINI MASSEY FERGUSON 1430747M1, MECALAC 5230071, SENNEBOGEN 3528013331, LIEBHERR 4129303, CNH-FIAT NEW HOLLAND 79009851, JOHN DEERE CQ09338, LIEBHERR 4111100, EXTEC VCR1250, POCLAIN-CASE POCLAIN P2434592V, CNH-FIAT NEW HOLLAND 79004490, LIEBHERR 4253411, VOLVO 9112-12001, INGERSOLL RAND 57700858, MAIT 2175047, JOHN DEERE T45097, CNH-FIAT NEW HOLLAND 579383, VOLVO 020005225990, WIRTGEN 43499, SIMIT 45482379, HANOMAG 2979125M