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 2979124M1, LANDINI MASSEY FERGUSON 3089873M1, GAMBETTI-BARRE M175903001, CASE 295318A1, LANDINI MASSEY FERGUSON 2928705M1, VOLVO 18065840, EXTEC VCR1251, JOHN DEERE CQ09337, ITM D04100A0N15, E.W.K. 501518501, DRESSER-FURUKAWA 319325231R1, TELCO-TATA 9TD01583/2, LIEBHERR 4982171, CATERPILLAR 5W9827, BERCO CR1251, LIEBHERR 4091100, HANOMAG 2979124M, TELCO-TATA 9TD01119/03, DRESSER 1254380H1, SENNEBOGEN 013343, INGERSOLL RAND 57700866, LANDINI MASSEY FERGUSON 2979939M1, MAIT 2175046, VERMEER 118120001, TELCO-TATA TD01119/03, JOHN DEERE T121478, JCB JNA0362, LIEBHERR 4157879, VPI V7H3597, JCB JNA0295, INGERSOLL RAND 57407405, Surub papuc, MAIT 2901221, LANDINI MASSEY FERGUSON 2979121M1, REEDRILL V005766, DRESSER-FURUKAWA 3193523R1, CNH-FIAT NEW HOLLAND 4982171, JOHN DEERE-CAMECO CB01419009, CATERPILLAR 7H3597, CNH-FIAT NEW HOLLAND 79004489, Incarcator, JOHN DEERE T45096, LIEBHERR 7001485, CATERPILLAR, 955H, VOLVO 16545, VARIOUS 571008, VOLVO 14016545, LIEBHERR 4253410, TELCO-TATA TD01583/2, HYUNDAI 81EL-25020, BENATI 2001074, LANDINI MASSEY FERGUSON 1430746M1, INGERSOLL RAND 56965262, CNH-FIAT NEW HOLLAND 79031606, A.B.G. 21076286, C.M.W-(CHARLES-MACHINES) 107-365, CATERPILLAR 5H8756, BERCO CR1251A, LIEBHERR 4097515, SIMIT 45482377, JOHN DEERE T43323, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 4906550M1, 60A-7504-UP
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 3193523R1, VOLVO 14016545, BENATI 2001074, VERMEER 118120001, GAMBETTI-BARRE M175903001, LIEBHERR 4097515, JOHN DEERE T121478, JOHN DEERE-CAMECO CB01419009, INGERSOLL RAND 57700866, EXTEC VCR1251, CATERPILLAR 5H8756, VPI V7H3597, VOLVO 18065840, CASE 295318A1, LIEBHERR 4157879, LANDINI MASSEY FERGUSON 2979124M1, INGERSOLL RAND 57407405, JOHN DEERE CQ09337, DRESSER 1254380H1, TELCO-TATA TD01119/03, DRESSER-FURUKAWA 319325231R1, Incarcator, REEDRILL V005766, LIEBHERR 4091100, SIMIT 45482377, BERCO CR1251, LANDINI MASSEY FERGUSON 4906550M1, LANDINI MASSEY FERGUSON 1430746M1, A.B.G. 21076286, POCLAIN-CASE POCLAIN W0033071, TELCO-TATA TD01583/2, BERCO CR1251A, MAIT 2901221, Surub papuc, LANDINI MASSEY FERGUSON 3089873M1, 955H, CNH-FIAT NEW HOLLAND 79031606, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 2979121M1, JCB JNA0295, VOLVO 16545, CATERPILLAR 5W9827, CATERPILLAR 7H3597, 60A-7504-UP, SENNEBOGEN 013343, JOHN DEERE T43323, E.W.K. 501518501, LANDINI MASSEY FERGUSON 2928705M1, CNH-FIAT NEW HOLLAND 79004489, LANDINI MASSEY FERGUSON 2979939M1, CATERPILLAR, JCB JNA0362, TELCO-TATA 9TD01119/03, HANOMAG 2979124M, LIEBHERR 7001485, INGERSOLL RAND 56965262, C.M.W-(CHARLES-MACHINES) 107-365, HYUNDAI 81EL-25020, CNH-FIAT NEW HOLLAND 4982171, TELCO-TATA 9TD01583/2, JOHN DEERE T45096, ITM D04100A0N15, VARIOUS 571008, LIEBHERR 4982171, MAIT 2175046