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
LANDINI MASSEY FERGUSON 2979124M1, LIEBHERR 7001485, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 2979939M1, INGERSOLL RAND 56965262, C.M.W-(CHARLES-MACHINES) 107-365, INGERSOLL RAND 57407405, ITM D04100A0N15, CATERPILLAR 5H8756, LANDINI MASSEY FERGUSON 3089873M1, JOHN DEERE CQ09337, LANDINI MASSEY FERGUSON 1430746M1, LIEBHERR 4097515, VOLVO 16545, HANOMAG 2979124M, GAMBETTI-BARRE M175903001, JOHN DEERE T45096, REEDRILL V005766, HYUNDAI 81EL-25020, POCLAIN-CASE POCLAIN W0033071, CASE 295318A1, VARIOUS 571008, TELCO-TATA TD01583/2, LANDINI MASSEY FERGUSON 4906550M1, VOLVO 14016545, MAIT 2901221, 115CL, BERCO CR1251, LANDINI MASSEY FERGUSON 2928705M1, Surub papuc, DRESSER-FURUKAWA 319325231R1, CATERPILLAR 7H3597, BERCO CR1251A, SIMIT 45482377, CNH-FIAT NEW HOLLAND 4982171, LANDINI MASSEY FERGUSON 2979121M1, A.B.G. 21076286, LIEBHERR 4982171, JOHN DEERE T121478, VOLVO 18065840, CNH-FIAT NEW HOLLAND 79031606, VERMEER 118120001, DRESSER 1254380H1, JCB JNA0295, TELCO-TATA 9TD01119/03, JCB JNA0362, BENATI 2001074, SENNEBOGEN 013343, CATERPILLAR 5W9827, LIEBHERR 4157879, E.W.K. 501518501, TELCO-TATA 9TD01583/2, VPI V7H3597, JOHN DEERE-CAMECO CB01419009, DRESSER-FURUKAWA 3193523R1, MAIT 2175046, JOHN DEERE T43323, INGERSOLL RAND 57700866, LIEBHERR 4091100, EXTEC VCR1251, TELCO-TATA TD01119/03, POCLAIN-CASE POCLAIN, Excavator, CNH-FIAT NEW HOLLAND 79004489
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
C.M.W-(CHARLES-MACHINES) 107-365, E.W.K. 501518501, LIEBHERR 4097515, BENATI 2001074, CASE 295318A1, VOLVO 18065840, TELCO-TATA TD01119/03, LANDINI MASSEY FERGUSON 2979121M1, MAIT 2901221, VERMEER 118120001, JCB JNA0295, LANDINI MASSEY FERGUSON 2928705M1, INGERSOLL RAND 57700866, LIEBHERR 7001485, LANDINI MASSEY FERGUSON 2979939M1, LANDINI MASSEY FERGUSON 4906550M1, VOLVO 16545, POCLAIN-CASE POCLAIN W0033071, MAIT 2175046, INGERSOLL RAND 56965262, TELCO-TATA 9TD01119/03, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 1430746M1, ITM D04100A0N15, EXTEC VCR1251, A.B.G. 21076286, REEDRILL V005766, DRESSER 1254380H1, 115CL, DRESSER-FURUKAWA 319325231R1, JOHN DEERE T121478, POCLAIN-CASE POCLAIN, CNH-FIAT NEW HOLLAND 4982171, LANDINI MASSEY FERGUSON 2979124M1, VOLVO 14016545, TELCO-TATA TD01583/2, JCB JNA0362, BERCO CR1251A, GAMBETTI-BARRE M175903001, JOHN DEERE T43323, CNH-FIAT NEW HOLLAND 79004489, LIEBHERR 4982171, JOHN DEERE T45096, HYUNDAI 81EL-25020, CATERPILLAR 5W9827, HANOMAG 2979124M, BERCO CR1251, VPI V7H3597, LIEBHERR 4157879, Surub papuc, LIEBHERR 4091100, SIMIT 45482377, JOHN DEERE CQ09337, INGERSOLL RAND 57407405, TELCO-TATA 9TD01583/2, CNH-FIAT NEW HOLLAND 79031606, Excavator, DRESSER-FURUKAWA 3193523R1, JOHN DEERE-CAMECO CB01419009, VARIOUS 571008, CATERPILLAR 7H3597, CATERPILLAR 5H8756, SENNEBOGEN 013343, LANDINI MASSEY FERGUSON 3089873M1