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
JOHN DEERE-CAMECO CB01419009, CATERPILLAR 7H3597, SENNEBOGEN 013343, INGERSOLL RAND 56965262, HYUNDAI 81EL-25020, TELCO-TATA TD01119/03, JOHN DEERE T43323, BENATI 2001074, HANOMAG 2979124M, EXTEC VCR1251, CATERPILLAR 5H8756, LIEBHERR 4157879, JCB JNA0362, 561C, LIEBHERR 4097515, LIEBHERR 4982171, VPI V7H3597, MAIT 2901221, 85H-1-UP, JOHN DEERE T45096, BERCO CR1251A, TELCO-TATA 9TD01119/03, MAIT 2175046, ITM D04100A0N15, CASE 295318A1, LANDINI MASSEY FERGUSON 1430746M1, INGERSOLL RAND 57407405, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 3089873M1, DRESSER 1254380H1, C.M.W-(CHARLES-MACHINES) 107-365, CNH-FIAT NEW HOLLAND 79004489, VARIOUS 571008, CATERPILLAR 5W9827, E.W.K. 501518501, POCLAIN-CASE POCLAIN W0033071, TELCO-TATA TD01583/2, GAMBETTI-BARRE M175903001, JCB JNA0295, JOHN DEERE T121478, BERCO CR1251, VOLVO 18065840, JOHN DEERE CQ09337, LIEBHERR 7001485, CNH-FIAT NEW HOLLAND 4982171, CNH-FIAT NEW HOLLAND 79031606, LANDINI MASSEY FERGUSON 2979121M1, LANDINI MASSEY FERGUSON 2979939M1, LANDINI MASSEY FERGUSON 2979124M1, LANDINI MASSEY FERGUSON 2928705M1, LANDINI MASSEY FERGUSON 4906550M1, VOLVO 16545, A.B.G. 21076286, CATERPILLAR, VOLVO 14016545, DRESSER-FURUKAWA 319325231R1, TELCO-TATA 9TD01583/2, INGERSOLL RAND 57700866, REEDRILL V005766, DRESSER-FURUKAWA 3193523R1, Surub papuc, Buldozer, VERMEER 118120001, SIMIT 45482377, LIEBHERR 4091100
Utilajul de constructii a fost testat pe santiere aflate la o altitudine mare si in lucrari realizate la temperaturi scazute. Astfel, cumparatorii buldozerului Komatsu D65-17 sunt convinsi ca utilajul va respecta norma Tier 4 in orice imprejurare. Puterea motorului acestui buldozer Komatsu variaza intre 208 si 222
JOHN DEERE T121478, CNH-FIAT NEW HOLLAND 79004489, LANDINI MASSEY FERGUSON 4906550M1, BERCO CR1251A, MAIT 2175046, INGERSOLL RAND 56965262, DRESSER 1254380H1, JOHN DEERE T43323, SIMIT 45482377, C.M.W-(CHARLES-MACHINES) 107-365, CATERPILLAR 5W9827, ITM D04100A0N15, EXTEC VCR1251, REEDRILL V005766, LIEBHERR 7001485, VOLVO 18065840, LIEBHERR 4253410, VOLVO 14016545, E.W.K. 501518501, 85H-1-UP, LANDINI MASSEY FERGUSON 3089873M1, JCB JNA0295, CNH-FIAT NEW HOLLAND 79031606, LANDINI MASSEY FERGUSON 2928705M1, BENATI 2001074, TELCO-TATA TD01583/2, 561C, MAIT 2901221, LANDINI MASSEY FERGUSON 2979124M1, SENNEBOGEN 013343, LIEBHERR 4982171, JCB JNA0362, A.B.G. 21076286, GAMBETTI-BARRE M175903001, Surub papuc, POCLAIN-CASE POCLAIN W0033071, Buldozer, INGERSOLL RAND 57700866, LANDINI MASSEY FERGUSON 2979939M1, CATERPILLAR 7H3597, JOHN DEERE CQ09337, JOHN DEERE T45096, VOLVO 16545, DRESSER-FURUKAWA 3193523R1, CASE 295318A1, LANDINI MASSEY FERGUSON 2979121M1, LANDINI MASSEY FERGUSON 1430746M1, DRESSER-FURUKAWA 319325231R1, LIEBHERR 4097515, HYUNDAI 81EL-25020, VARIOUS 571008, VERMEER 118120001, HANOMAG 2979124M, CATERPILLAR 5H8756, CNH-FIAT NEW HOLLAND 4982171, BERCO CR1251, TELCO-TATA TD01119/03, TELCO-TATA 9TD01583/2, JOHN DEERE-CAMECO CB01419009, CATERPILLAR, LIEBHERR 4091100, VPI V7H3597, TELCO-TATA 9TD01119/03, LIEBHERR 4157879, INGERSOLL RAND 57407405