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
BERCO CR1251A, MAIT 2175046, LANDINI MASSEY FERGUSON 2979939M1, JOHN DEERE T121478, DRESSER-FURUKAWA 3193523R1, CATERPILLAR 5H8756, GAMBETTI-BARRE M175903001, VOLVO 16545, DRESSER 1254380H1, SENNEBOGEN 013343, JOHN DEERE T45096, JOHN DEERE-CAMECO CB01419009, BENATI 2001074, CATERPILLAR 5W9827, CNH-FIAT NEW HOLLAND, INGERSOLL RAND 56965262, 8B-TA, HYUNDAI 81EL-25020, BERCO CR1251, JCB JNA0295, HANOMAG 2979124M, CATERPILLAR 7H3597, CNH-FIAT NEW HOLLAND 79004489, TELCO-TATA 9TD01583/2, POCLAIN-CASE POCLAIN W0033071, JCB JNA0362, CNH-FIAT NEW HOLLAND 4982171, CASE 295318A1, TELCO-TATA 9TD01119/03, VPI V7H3597, Surub papuc, LIEBHERR 7001485, JOHN DEERE T43323, VARIOUS 571008, INGERSOLL RAND 57407405, A.B.G. 21076286, LIEBHERR 4253410, LANDINI MASSEY FERGUSON 2979121M1, INGERSOLL RAND 57700866, LIEBHERR 4982171, LIEBHERR 4157879, Buldozer, LANDINI MASSEY FERGUSON 2979124M1, VOLVO 18065840, CNH-FIAT NEW HOLLAND 79031606, LANDINI MASSEY FERGUSON 3089873M1, EXTEC VCR1251, LIEBHERR 4097515, TELCO-TATA TD01583/2, LIEBHERR 4091100, SIMIT 45482377, REEDRILL V005766, LANDINI MASSEY FERGUSON 4906550M1, C.M.W-(CHARLES-MACHINES) 107-365, LANDINI MASSEY FERGUSON 1430746M1, ITM D04100A0N15, VOLVO 14016545, LANDINI MASSEY FERGUSON 2928705M1, DRESSER-FURUKAWA 319325231R1, JOHN DEERE CQ09337, VERMEER 118120001, E.W.K. 501518501, MAIT 2901221, TELCO-TATA TD01119/03
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
BERCO CR1251A, MAIT 2175046, LANDINI MASSEY FERGUSON 4906550M1, VERMEER 118120001, VOLVO 18065840, DRESSER-FURUKAWA 319325231R1, BERCO CR1251, TELCO-TATA TD01583/2, CNH-FIAT NEW HOLLAND 4982171, CNH-FIAT NEW HOLLAND 79004489, EXTEC VCR1251, CATERPILLAR 5W9827, JOHN DEERE-CAMECO CB01419009, POCLAIN-CASE POCLAIN W0033071, ITM D04100A0N15, LIEBHERR 4097515, DRESSER 1254380H1, HYUNDAI 81EL-25020, TELCO-TATA TD01119/03, CNH-FIAT NEW HOLLAND, VOLVO 14016545, CATERPILLAR 7H3597, TELCO-TATA 9TD01119/03, BENATI 2001074, GAMBETTI-BARRE M175903001, JOHN DEERE T43323, LANDINI MASSEY FERGUSON 1430746M1, JOHN DEERE CQ09337, DRESSER-FURUKAWA 3193523R1, A.B.G. 21076286, LANDINI MASSEY FERGUSON 2979121M1, INGERSOLL RAND 57700866, LIEBHERR 4982171, JCB JNA0362, VARIOUS 571008, C.M.W-(CHARLES-MACHINES) 107-365, SIMIT 45482377, INGERSOLL RAND 57407405, Surub papuc, HANOMAG 2979124M, VOLVO 16545, VPI V7H3597, TELCO-TATA 9TD01583/2, LANDINI MASSEY FERGUSON 3089873M1, LIEBHERR 4091100, Buldozer, JOHN DEERE T45096, 8B-TA, CATERPILLAR 5H8756, CNH-FIAT NEW HOLLAND 79031606, CASE 295318A1, LIEBHERR 4157879, LANDINI MASSEY FERGUSON 2979124M1, SENNEBOGEN 013343, E.W.K. 501518501, LIEBHERR 4253410, JOHN DEERE T121478, LIEBHERR 7001485, MAIT 2901221, REEDRILL V005766, INGERSOLL RAND 56965262, JCB JNA0295, LANDINI MASSEY FERGUSON 2979939M1, LANDINI MASSEY FERGUSON 2928705M1