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
LANDINI MASSEY FERGUSON 2979124M1, TELCO-TATA TD01119/03, LANDINI MASSEY FERGUSON 4906550M1, INGERSOLL RAND 57700866, MAIT 2901221, LIEBHERR 4097515, JOHN DEERE T43323, LIEBHERR 4982171, MAIT 2175046, CNH-FIAT NEW HOLLAND 79004489, INGERSOLL RAND 56965262, VOLVO 14016545, CNH-FIAT NEW HOLLAND 4982171, E.W.K. 501518501, LIEBHERR 4253410, VPI V7H3597, LANDINI MASSEY FERGUSON 3089873M1, VOLVO 18065840, GAMBETTI-BARRE M175903001, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 1430746M1, CATERPILLAR 7H3597, REEDRILL V005766, VERMEER 118120001, VARIOUS 571008, TELCO-TATA 9TD01583/2, DRESSER-FURUKAWA 319325231R1, LANDINI MASSEY FERGUSON 2928705M1, A.B.G. 21076286, CASE 295318A1, JOHN DEERE T121478, JOHN DEERE-CAMECO CB01419009, LIEBHERR 4091100, BERCO CR1251, LIEBHERR 4157879, DRESSER 1254380H1, EXTEC VCR1251, TELCO-TATA TD01583/2, CATERPILLAR 5W9827, JCB JNA0362, Buldozer, JOHN DEERE T45096, SENNEBOGEN 013343, Surub papuc, CNH-FIAT NEW HOLLAND, C.M.W-(CHARLES-MACHINES) 107-365, LANDINI MASSEY FERGUSON 2979939M1, DRESSER-FURUKAWA 3193523R1, HYUNDAI 81EL-25020, TELCO-TATA 9TD01119/03, LIEBHERR 7001485, FA100, VOLVO 16545, INGERSOLL RAND 57407405, LANDINI MASSEY FERGUSON 2979121M1, BERCO CR1251A, ITM D04100A0N15, HANOMAG 2979124M, CNH-FIAT NEW HOLLAND 79031606, BENATI 2001074, JCB JNA0295, SIMIT 45482377, CATERPILLAR 5H8756, JOHN DEERE CQ09337
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
VOLVO 16545, CNH-FIAT NEW HOLLAND, E.W.K. 501518501, LIEBHERR 4253410, A.B.G. 21076286, CATERPILLAR 5W9827, LIEBHERR 4982171, LANDINI MASSEY FERGUSON 2979939M1, C.M.W-(CHARLES-MACHINES) 107-365, TELCO-TATA 9TD01119/03, LANDINI MASSEY FERGUSON 2928705M1, INGERSOLL RAND 57407405, ITM D04100A0N15, LANDINI MASSEY FERGUSON 2979121M1, GAMBETTI-BARRE M175903001, LANDINI MASSEY FERGUSON 1430746M1, VOLVO 18065840, LANDINI MASSEY FERGUSON 2979124M1, INGERSOLL RAND 57700866, BENATI 2001074, JCB JNA0295, VERMEER 118120001, VARIOUS 571008, EXTEC VCR1251, JOHN DEERE T121478, LIEBHERR 4157879, TELCO-TATA 9TD01583/2, LANDINI MASSEY FERGUSON 3089873M1, Buldozer, CNH-FIAT NEW HOLLAND 4982171, Surub papuc, JOHN DEERE T43323, HANOMAG 2979124M, HYUNDAI 81EL-25020, JOHN DEERE T45096, JOHN DEERE-CAMECO CB01419009, DRESSER-FURUKAWA 319325231R1, SIMIT 45482377, TELCO-TATA TD01583/2, LANDINI MASSEY FERGUSON 4906550M1, SENNEBOGEN 013343, CNH-FIAT NEW HOLLAND 79031606, LIEBHERR 4091100, FA100, DRESSER-FURUKAWA 3193523R1, BERCO CR1251A, CATERPILLAR 7H3597, JOHN DEERE CQ09337, REEDRILL V005766, POCLAIN-CASE POCLAIN W0033071, LIEBHERR 4097515, VPI V7H3597, TELCO-TATA TD01119/03, LIEBHERR 7001485, CASE 295318A1, CATERPILLAR 5H8756, INGERSOLL RAND 56965262, DRESSER 1254380H1, VOLVO 14016545, CNH-FIAT NEW HOLLAND 79004489, MAIT 2901221, JCB JNA0362, BERCO CR1251, MAIT 2175046