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-FURUKAWA 319325231R1, VOLVO 14016545, VOLVO 18065840, JOHN DEERE T45096, LANDINI MASSEY FERGUSON 3089873M1, VARIOUS 571008, LIEBHERR 4157879, JOHN DEERE T121478, LANDINI MASSEY FERGUSON 4906550M1, LANDINI MASSEY FERGUSON 2928705M1, E.W.K. 501518501, INGERSOLL RAND 56965262, JCB JNA0295, HYUNDAI 81EL-25020, 2ZN-1-UP, DRESSER 1254380H1, EXTEC VCR1251, TELCO-TATA TD01583/2, LIEBHERR 4982171, LIEBHERR 4253410, Incarcator, LIEBHERR 4091100, BERCO CR1251A, TELCO-TATA 9TD01583/2, SIMIT 45482377, REEDRILL V005766, VOLVO 16545, ITM D04100A0N15, HANOMAG 2979124M, VERMEER 118120001, LIEBHERR 4097515, 953C, MAIT 2175046, GAMBETTI-BARRE M175903001, BERCO CR1251, TELCO-TATA TD01119/03, Surub papuc, LANDINI MASSEY FERGUSON 2979124M1, JOHN DEERE CQ09337, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 2979939M1, CASE 295318A1, CATERPILLAR, VPI V7H3597, CATERPILLAR 5W9827, LANDINI MASSEY FERGUSON 1430746M1, CNH-FIAT NEW HOLLAND 79004489, DRESSER-FURUKAWA 3193523R1, A.B.G. 21076286, LIEBHERR 7001485, BENATI 2001074, C.M.W-(CHARLES-MACHINES) 107-365, JOHN DEERE-CAMECO CB01419009, CATERPILLAR 5H8756, CATERPILLAR 7H3597, CNH-FIAT NEW HOLLAND 79031606, INGERSOLL RAND 57407405, JCB JNA0362, TELCO-TATA 9TD01119/03, INGERSOLL RAND 57700866, MAIT 2901221, JOHN DEERE T43323, CNH-FIAT NEW HOLLAND 4982171, SENNEBOGEN 013343, LANDINI MASSEY FERGUSON 2979121M1
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
BERCO CR1251, LANDINI MASSEY FERGUSON 2979121M1, VOLVO 18065840, CNH-FIAT NEW HOLLAND 4982171, INGERSOLL RAND 57407405, DRESSER 1254380H1, CNH-FIAT NEW HOLLAND 79031606, VPI V7H3597, LIEBHERR 7001485, ITM D04100A0N15, DRESSER-FURUKAWA 319325231R1, JCB JNA0362, REEDRILL V005766, LIEBHERR 4982171, HANOMAG 2979124M, JOHN DEERE T45096, LIEBHERR 4253410, TELCO-TATA 9TD01583/2, Incarcator, Surub papuc, 2ZN-1-UP, GAMBETTI-BARRE M175903001, LIEBHERR 4157879, VOLVO 14016545, LANDINI MASSEY FERGUSON 4906550M1, JOHN DEERE CQ09337, LANDINI MASSEY FERGUSON 2979939M1, JOHN DEERE T43323, BERCO CR1251A, LIEBHERR 4097515, CATERPILLAR 5W9827, TELCO-TATA TD01119/03, E.W.K. 501518501, CNH-FIAT NEW HOLLAND 79004489, JOHN DEERE T121478, INGERSOLL RAND 57700866, LIEBHERR 4091100, LANDINI MASSEY FERGUSON 3089873M1, 953C, BENATI 2001074, VERMEER 118120001, HYUNDAI 81EL-25020, SIMIT 45482377, JCB JNA0295, TELCO-TATA 9TD01119/03, CASE 295318A1, LANDINI MASSEY FERGUSON 1430746M1, DRESSER-FURUKAWA 3193523R1, A.B.G. 21076286, POCLAIN-CASE POCLAIN W0033071, C.M.W-(CHARLES-MACHINES) 107-365, VARIOUS 571008, INGERSOLL RAND 56965262, LANDINI MASSEY FERGUSON 2928705M1, JOHN DEERE-CAMECO CB01419009, CATERPILLAR 7H3597, CATERPILLAR 5H8756, SENNEBOGEN 013343, CATERPILLAR, MAIT 2901221, MAIT 2175046, VOLVO 16545, LANDINI MASSEY FERGUSON 2979124M1, TELCO-TATA TD01583/2, EXTEC VCR1251