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
LIEBHERR 4253410, LIEBHERR 4157879, JOHN DEERE T45096, JOHN DEERE T43323, TELCO-TATA TD01583/2, LANDINI MASSEY FERGUSON 2979124M1, SIMIT 45482377, LIEBHERR 4091100, CNH-FIAT NEW HOLLAND 79031606, LIEBHERR 4097515, JCB JNA0295, SENNEBOGEN 013343, INGERSOLL RAND 57407405, GAMBETTI-BARRE M175903001, INGERSOLL RAND 56965262, LANDINI MASSEY FERGUSON 2928705M1, LIEBHERR 4982171, E.W.K. 501518501, LANDINI MASSEY FERGUSON 1430746M1, CATERPILLAR 7H3597, LANDINI MASSEY FERGUSON 2979121M1, JOHN DEERE-CAMECO CB01419009, INGERSOLL RAND 57700866, CATERPILLAR 5W9827, VOLVO 16545, BERCO CR1251A, JOHN DEERE, CNH-FIAT NEW HOLLAND 4982171, CASE 295318A1, A.B.G. 21076286, LIEBHERR 7001485, DRESSER-FURUKAWA 319325231R1, MAIT 2175046, EXTEC VCR1251, VARIOUS 571008, LANDINI MASSEY FERGUSON 4906550M1, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 2979939M1, 750B-LGP, Buldozer, VERMEER 118120001, TELCO-TATA 9TD01119/03, LANDINI MASSEY FERGUSON 3089873M1, CATERPILLAR 5H8756, JOHN DEERE CQ09337, Surub papuc, TELCO-TATA 9TD01583/2, VOLVO 18065840, DRESSER 1254380H1, HANOMAG 2979124M, C.M.W-(CHARLES-MACHINES) 107-365, DRESSER-FURUKAWA 3193523R1, HYUNDAI 81EL-25020, CNH-FIAT NEW HOLLAND 79004489, JCB JNA0362, VOLVO 14016545, TELCO-TATA TD01119/03, REEDRILL V005766, JOHN DEERE T121478, MAIT 2901221, BENATI 2001074, ITM D04100A0N15, BERCO CR1251, VPI V7H3597
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
750B-LGP, SIMIT 45482377, BERCO CR1251, LIEBHERR 4157879, HYUNDAI 81EL-25020, ITM D04100A0N15, VARIOUS 571008, Buldozer, TELCO-TATA 9TD01119/03, VOLVO 18065840, EXTEC VCR1251, LANDINI MASSEY FERGUSON 3089873M1, JOHN DEERE CQ09337, VOLVO 14016545, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 2928705M1, A.B.G. 21076286, LANDINI MASSEY FERGUSON 1430746M1, TELCO-TATA 9TD01583/2, LIEBHERR 4253410, INGERSOLL RAND 57407405, LANDINI MASSEY FERGUSON 4906550M1, TELCO-TATA TD01119/03, CNH-FIAT NEW HOLLAND 4982171, JOHN DEERE, LIEBHERR 4097515, JOHN DEERE T43323, E.W.K. 501518501, LANDINI MASSEY FERGUSON 2979121M1, JCB JNA0362, BENATI 2001074, DRESSER 1254380H1, LANDINI MASSEY FERGUSON 2979939M1, DRESSER-FURUKAWA 319325231R1, MAIT 2175046, LIEBHERR 4982171, JOHN DEERE-CAMECO CB01419009, INGERSOLL RAND 56965262, Surub papuc, CNH-FIAT NEW HOLLAND 79031606, BERCO CR1251A, CASE 295318A1, LANDINI MASSEY FERGUSON 2979124M1, CATERPILLAR 7H3597, CNH-FIAT NEW HOLLAND 79004489, MAIT 2901221, HANOMAG 2979124M, VOLVO 16545, GAMBETTI-BARRE M175903001, INGERSOLL RAND 57700866, CATERPILLAR 5W9827, REEDRILL V005766, VPI V7H3597, CATERPILLAR 5H8756, JCB JNA0295, SENNEBOGEN 013343, JOHN DEERE T121478, C.M.W-(CHARLES-MACHINES) 107-365, JOHN DEERE T45096, DRESSER-FURUKAWA 3193523R1, VERMEER 118120001, LIEBHERR 4091100, TELCO-TATA TD01583/2, LIEBHERR 7001485