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
ITM D04100A0N15, JOHN DEERE T43323, BERCO CR1251A, Surub papuc, LIEBHERR 7001485, Buldozer, E.W.K. 501518501, LIEBHERR 4253410, CATERPILLAR 5H8756, SENNEBOGEN 013343, VOLVO 14016545, BERCO CR1251, TELCO-TATA 9TD01119/03, JOHN DEERE CQ09337, JOHN DEERE T121478, DRESSER 1254380H1, LANDINI MASSEY FERGUSON 2928705M1, LIEBHERR 4097515, JCB JNA0362, LANDINI MASSEY FERGUSON 2979939M1, LANDINI MASSEY FERGUSON 1430746M1, CNH-FIAT NEW HOLLAND 79004489, INGERSOLL RAND 57700866, JOHN DEERE T45096, LANDINI MASSEY FERGUSON 4906550M1, MAIT 2901221, LANDINI MASSEY FERGUSON 3089873M1, LANDINI MASSEY FERGUSON 2979121M1, CNH-FIAT NEW HOLLAND, JOHN DEERE-CAMECO CB01419009, VPI V7H3597, TELCO-TATA TD01583/2, VARIOUS 571008, MAIT 2175046, POCLAIN-CASE POCLAIN W0033071, LIEBHERR 4982171, LIEBHERR 4091100, HANOMAG 2979124M, GAMBETTI-BARRE M175903001, BD7C, C.M.W-(CHARLES-MACHINES) 107-365, DRESSER-FURUKAWA 319325231R1, JCB JNA0295, CNH-FIAT NEW HOLLAND 4982171, HYUNDAI 81EL-25020, DRESSER-FURUKAWA 3193523R1, CNH-FIAT NEW HOLLAND 79031606, EXTEC VCR1251, A.B.G. 21076286, BENATI 2001074, VERMEER 118120001, TELCO-TATA TD01119/03, LIEBHERR 4157879, REEDRILL V005766, LANDINI MASSEY FERGUSON 2979124M1, CASE 295318A1, CATERPILLAR 7H3597, INGERSOLL RAND 57407405, INGERSOLL RAND 56965262, VOLVO 18065840, CATERPILLAR 5W9827, SIMIT 45482377, TELCO-TATA 9TD01583/2, VOLVO 16545
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
LANDINI MASSEY FERGUSON 2979121M1, LIEBHERR 4091100, REEDRILL V005766, Buldozer, SENNEBOGEN 013343, LIEBHERR 4097515, JOHN DEERE T121478, VOLVO 18065840, VARIOUS 571008, DRESSER-FURUKAWA 319325231R1, BD7C, TELCO-TATA TD01119/03, MAIT 2901221, CATERPILLAR 5W9827, CNH-FIAT NEW HOLLAND 4982171, BERCO CR1251A, VPI V7H3597, Surub papuc, LANDINI MASSEY FERGUSON 4906550M1, LIEBHERR 4157879, LANDINI MASSEY FERGUSON 2979124M1, BENATI 2001074, TELCO-TATA 9TD01583/2, CATERPILLAR 7H3597, LANDINI MASSEY FERGUSON 2928705M1, MAIT 2175046, E.W.K. 501518501, DRESSER-FURUKAWA 3193523R1, CNH-FIAT NEW HOLLAND 79031606, CATERPILLAR 5H8756, VOLVO 16545, INGERSOLL RAND 57700866, CNH-FIAT NEW HOLLAND 79004489, JCB JNA0362, POCLAIN-CASE POCLAIN W0033071, VERMEER 118120001, BERCO CR1251, JOHN DEERE T45096, HYUNDAI 81EL-25020, ITM D04100A0N15, GAMBETTI-BARRE M175903001, LANDINI MASSEY FERGUSON 1430746M1, TELCO-TATA 9TD01119/03, JOHN DEERE T43323, JCB JNA0295, SIMIT 45482377, HANOMAG 2979124M, VOLVO 14016545, DRESSER 1254380H1, LANDINI MASSEY FERGUSON 3089873M1, JOHN DEERE-CAMECO CB01419009, EXTEC VCR1251, INGERSOLL RAND 56965262, CNH-FIAT NEW HOLLAND, LIEBHERR 4253410, CASE 295318A1, JOHN DEERE CQ09337, INGERSOLL RAND 57407405, LIEBHERR 7001485, LIEBHERR 4982171, TELCO-TATA TD01583/2, A.B.G. 21076286, C.M.W-(CHARLES-MACHINES) 107-365, LANDINI MASSEY FERGUSON 2979939M1