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 4157879, CNH-FIAT NEW HOLLAND 79031606, HYUNDAI 81EL-25020, MAIT 2175046, VARIOUS 571008, LIEBHERR 4982171, A.B.G. 21076286, GAMBETTI-BARRE M175903001, DRESSER 1254380H1, JOHN DEERE T43323, POCLAIN-CASE POCLAIN W0033071, Excavator, VOLVO 18065840, INGERSOLL RAND 57700866, LANDINI MASSEY FERGUSON 4906550M1, TELCO-TATA TD01119/03, MAIT 2901221, CNH-FIAT NEW HOLLAND 4982171, EXTEC VCR1251, SENNEBOGEN 013343, VERMEER 118120001, REEDRILL V005766, C.M.W-(CHARLES-MACHINES) 107-365, JOHN DEERE T45096, INGERSOLL RAND 57407405, CASE 295318A1, 61X -1-UP, LIEBHERR 4097515, 225, VOLVO 16545, JOHN DEERE CQ09337, LANDINI MASSEY FERGUSON 1430746M1, CATERPILLAR 5H8756, CNH-FIAT NEW HOLLAND 79004489, BERCO CR1251, LIEBHERR 7001485, JCB JNA0362, LANDINI MASSEY FERGUSON 2979939M1, BERCO CR1251A, LANDINI MASSEY FERGUSON 3089873M1, SIMIT 45482377, LANDINI MASSEY FERGUSON 2979124M1, HANOMAG 2979124M, CATERPILLAR 7H3597, Surub papuc, LANDINI MASSEY FERGUSON 2928705M1, INGERSOLL RAND 56965262, VOLVO 14016545, JOHN DEERE-CAMECO CB01419009, JOHN DEERE T121478, JCB JNA0295, CATERPILLAR, ITM D04100A0N15, VPI V7H3597, DRESSER-FURUKAWA 3193523R1, TELCO-TATA TD01583/2, LIEBHERR 4253410, TELCO-TATA 9TD01119/03, BENATI 2001074, E.W.K. 501518501, TELCO-TATA 9TD01583/2, LANDINI MASSEY FERGUSON 2979121M1, CATERPILLAR 5W9827, DRESSER-FURUKAWA 319325231R1, LIEBHERR 4091100
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
TELCO-TATA TD01583/2, LIEBHERR 4097515, TELCO-TATA TD01119/03, CNH-FIAT NEW HOLLAND 4982171, LANDINI MASSEY FERGUSON 3089873M1, Surub papuc, VPI V7H3597, C.M.W-(CHARLES-MACHINES) 107-365, VOLVO 16545, DRESSER-FURUKAWA 3193523R1, LANDINI MASSEY FERGUSON 2979121M1, VOLVO 18065840, LANDINI MASSEY FERGUSON 4906550M1, HANOMAG 2979124M, A.B.G. 21076286, BERCO CR1251A, JOHN DEERE CQ09337, HYUNDAI 81EL-25020, LIEBHERR 7001485, SENNEBOGEN 013343, JOHN DEERE T121478, CNH-FIAT NEW HOLLAND 79031606, Excavator, EXTEC VCR1251, TELCO-TATA 9TD01583/2, CASE 295318A1, VERMEER 118120001, JCB JNA0362, POCLAIN-CASE POCLAIN W0033071, DRESSER-FURUKAWA 319325231R1, INGERSOLL RAND 56965262, GAMBETTI-BARRE M175903001, 61X -1-UP, SIMIT 45482377, MAIT 2175046, CNH-FIAT NEW HOLLAND 79004489, LIEBHERR 4157879, CATERPILLAR 5H8756, INGERSOLL RAND 57700866, 225, LANDINI MASSEY FERGUSON 1430746M1, CATERPILLAR 5W9827, LANDINI MASSEY FERGUSON 2979124M1, E.W.K. 501518501, INGERSOLL RAND 57407405, JOHN DEERE T43323, BERCO CR1251, TELCO-TATA 9TD01119/03, BENATI 2001074, JOHN DEERE T45096, ITM D04100A0N15, LANDINI MASSEY FERGUSON 2979939M1, CATERPILLAR 7H3597, REEDRILL V005766, LIEBHERR 4982171, VOLVO 14016545, VARIOUS 571008, JCB JNA0295, DRESSER 1254380H1, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 2928705M1, CATERPILLAR, MAIT 2901221, LIEBHERR 4091100, JOHN DEERE-CAMECO CB01419009