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
JCB JNA0362, CATERPILLAR 5W9827, JOHN DEERE CQ09337, CNH-FIAT NEW HOLLAND 4982171, SENNEBOGEN 013343, LANDINI MASSEY FERGUSON 3089873M1, CATERPILLAR 5H8756, INGERSOLL RAND 56965262, C.M.W-(CHARLES-MACHINES) 107-365, LIEBHERR 4091100, DRESSER-FURUKAWA 319325231R1, ITM D04100A0N15, Surub papuc, EXTEC VCR1251, BERCO CR1251A, CNH-FIAT NEW HOLLAND 79031606, VOLVO 18065840, TELCO-TATA TD01583/2, VOLVO 16545, INGERSOLL RAND 57407405, HANOMAG 2979124M, JCB JNA0295, TELCO-TATA TD01119/03, 60J-4603-5182, DRESSER 1254380H1, BERCO CR1251, JOHN DEERE T121478, LIEBHERR 4157879, TELCO-TATA 9TD01119/03, LANDINI MASSEY FERGUSON 2979121M1, MAIT 2901221, Buldozer, VERMEER 118120001, CATERPILLAR, A.B.G. 21076286, SIMIT 45482377, LIEBHERR 4097515, HYUNDAI 81EL-25020, LANDINI MASSEY FERGUSON 4906550M1, JOHN DEERE T45096, MAIT 2175046, D4D, INGERSOLL RAND 57700866, CNH-FIAT NEW HOLLAND 79004489, TELCO-TATA 9TD01583/2, LANDINI MASSEY FERGUSON 2979124M1, LIEBHERR 4982171, VARIOUS 571008, VPI V7H3597, LANDINI MASSEY FERGUSON 2979939M1, BENATI 2001074, LIEBHERR 7001485, LANDINI MASSEY FERGUSON 2928705M1, CASE 295318A1, CATERPILLAR 7H3597, VOLVO 14016545, GAMBETTI-BARRE M175903001, REEDRILL V005766, E.W.K. 501518501, DRESSER-FURUKAWA 3193523R1, JOHN DEERE T43323, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 1430746M1, JOHN DEERE-CAMECO CB01419009, POCLAIN-CASE POCLAIN W0033071
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, JOHN DEERE-CAMECO CB01419009, CASE 295318A1, JCB JNA0362, CNH-FIAT NEW HOLLAND 79004489, HYUNDAI 81EL-25020, LIEBHERR 4097515, 60J-4603-5182, VOLVO 16545, CNH-FIAT NEW HOLLAND 79031606, LANDINI MASSEY FERGUSON 2979121M1, VPI V7H3597, MAIT 2901221, LIEBHERR 7001485, D4D, BENATI 2001074, LIEBHERR 4091100, EXTEC VCR1251, LIEBHERR 4982171, C.M.W-(CHARLES-MACHINES) 107-365, Buldozer, CATERPILLAR 7H3597, GAMBETTI-BARRE M175903001, DRESSER 1254380H1, TELCO-TATA TD01119/03, INGERSOLL RAND 56965262, CATERPILLAR, VOLVO 14016545, POCLAIN-CASE POCLAIN W0033071, JCB JNA0295, DRESSER-FURUKAWA 319325231R1, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 2928705M1, LANDINI MASSEY FERGUSON 2979939M1, INGERSOLL RAND 57700866, LANDINI MASSEY FERGUSON 2979124M1, HANOMAG 2979124M, INGERSOLL RAND 57407405, REEDRILL V005766, Surub papuc, VERMEER 118120001, CATERPILLAR 5W9827, SIMIT 45482377, JOHN DEERE T121478, SENNEBOGEN 013343, JOHN DEERE T45096, CNH-FIAT NEW HOLLAND 4982171, LANDINI MASSEY FERGUSON 3089873M1, JOHN DEERE T43323, JOHN DEERE CQ09337, ITM D04100A0N15, LIEBHERR 4157879, LANDINI MASSEY FERGUSON 1430746M1, TELCO-TATA 9TD01583/2, TELCO-TATA 9TD01119/03, E.W.K. 501518501, BERCO CR1251, MAIT 2175046, A.B.G. 21076286, VOLVO 18065840, DRESSER-FURUKAWA 3193523R1, VARIOUS 571008, CATERPILLAR 5H8756, LANDINI MASSEY FERGUSON 4906550M1, BERCO CR1251A