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 4253411, JOHN DEERE CQ09338, E.W.K. 501518401, BERCO CR1250B, VOLVO 14044062, TELCO-TATA TD01583/3, VOLVO 020005225990, JCB 200/61801, INGERSOLL RAND 56965270, LANDINI MASSEY FERGUSON 1430747M1, POCLAIN-CASE POCLAIN P2434592V, LANDINI MASSEY FERGUSON 2961659M1, DAEWOO 9121-6005, Excavator, JCB JNA0086, JOHN DEERE-CAMECO CB01419006, DRESSER 616209C1, LIEBHERR 4129303, SIMIT 45482379, VARIOUS 571009, 818LC, WIRTGEN 43499, CNH-FIAT NEW HOLLAND 579383, BERCO CR1250, MAIT 2904108, TELCO-TATA TD01119/04, JOHN DEERE T43322, EXTEC VCR1250, LIEBHERR 4174947, A.B.G. 21076294, DAEWOO K1043367, VPI V1M1408, MAIT 2175047, VOLVO SA9112-12001, BENATI 2001015, DAEWOO 2121-6014, HANOMAG 2979125M, JCB, CNH-FIAT NEW HOLLAND 79009851, KOMATSU 00131437, LANDINI MASSEY FERGUSON N1926, VOLVO 14526392, JOHN DEERE T45097, GAMBETTI-BARRE M175903002, HYUNDAI 81E6-37030, LIEBHERR 4122664, LIEBHERR 7402313, CASE R25688, VERMEER 1181230011, INGERSOLL RAND 57700858, POCLAIN-CASE POCLAIN ZKI134536, LIEBHERR 7001439, VOLVO 9112-12001, DRESSER-FURUKAWA 3150627R1, CATERPILLAR 1M1408, C.M.W-(CHARLES-MACHINES) 107-364, KOMATSU 131437, ATLAS-TEREX 0362007, DRESSER 260714R1, TELCO-TATA 9TD01583/3, LANDINI MASSEY FERGUSON 2979125M1, ITM D01060C0N17, CNH-FIAT NEW HOLLAND 71401387, LARSEN & TOUBRO V20134541, VOLVO 44062, POCLAIN-CASE POCLAIN K0134536, BENATI 2001075, POCLAIN-CASE POCLAIN PK134536, DRESSER 311347R2, LIEBHERR 4111100, MECALAC 5230071, VOLVO 044062, TELCO-TATA 9TD01119/04, Piulita, LANDINI MASSEY FERGUSON 392826X1, JCB JNA0358, HYUNDAI 81EL-25030, EURODAEWOO 9121-6005D11, CNH-FIAT NEW HOLLAND 79004490, CNH-FIAT NEW HOLLAND 4982173, REEDRILL V005767, LANDINI MASSEY FERGUSON 2928706M1, DAEWOO 9121-7004, LIEBHERR 4982173, LIEBHERR 7001334, CATERPILLAR 5W9828, SAMSUNG-H.I. 9112-01201, POCLAIN-CASE POCLAIN V2434592, DRESSER-FURUKAWA 1254381H1, SENNEBOGEN 3528013331
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 2979125M1, HANOMAG 2979125M, EXTEC VCR1250, CNH-FIAT NEW HOLLAND 579383, E.W.K. 501518401, HYUNDAI 81E6-37030, CATERPILLAR 1M1408, POCLAIN-CASE POCLAIN ZKI134536, LIEBHERR 4111100, REEDRILL V005767, DRESSER-FURUKAWA 3150627R1, BENATI 2001015, Piulita, CNH-FIAT NEW HOLLAND 71401387, CASE R25688, JCB, TELCO-TATA 9TD01583/3, TELCO-TATA TD01119/04, CNH-FIAT NEW HOLLAND 79004490, HYUNDAI 81EL-25030, MAIT 2904108, SAMSUNG-H.I. 9112-01201, LIEBHERR 4174947, CATERPILLAR 5W9828, VOLVO 044062, LIEBHERR 4982173, DAEWOO 2121-6014, JCB JNA0358, LARSEN & TOUBRO V20134541, BERCO CR1250B, DAEWOO 9121-6005, POCLAIN-CASE POCLAIN V2434592, LIEBHERR 4122664, INGERSOLL RAND 57700858, DRESSER 311347R2, VOLVO 9112-12001, MECALAC 5230071, LANDINI MASSEY FERGUSON N1926, VOLVO 44062, VOLVO SA9112-12001, KOMATSU 00131437, MAIT 2175047, TELCO-TATA TD01583/3, LIEBHERR 7001334, DRESSER 616209C1, VOLVO 14044062, VPI V1M1408, VERMEER 1181230011, JOHN DEERE-CAMECO CB01419006, ITM D01060C0N17, LANDINI MASSEY FERGUSON 2961659M1, POCLAIN-CASE POCLAIN P2434592V, 818LC, DAEWOO K1043367, POCLAIN-CASE POCLAIN PK134536, VARIOUS 571009, ATLAS-TEREX 0362007, DRESSER-FURUKAWA 1254381H1, POCLAIN-CASE POCLAIN K0134536, LANDINI MASSEY FERGUSON 392826X1, LIEBHERR 7402313, TELCO-TATA 9TD01119/04, JOHN DEERE T43322, SIMIT 45482379, DAEWOO 9121-7004, WIRTGEN 43499, INGERSOLL RAND 56965270, BENATI 2001075, VOLVO 020005225990, JOHN DEERE T45097, SENNEBOGEN 3528013331, CNH-FIAT NEW HOLLAND 4982173, JCB JNA0086, LIEBHERR 4129303, LIEBHERR 7001439, GAMBETTI-BARRE M175903002, C.M.W-(CHARLES-MACHINES) 107-364, BERCO CR1250, CNH-FIAT NEW HOLLAND 79009851, Excavator, KOMATSU 131437, LANDINI MASSEY FERGUSON 2928706M1, LANDINI MASSEY FERGUSON 1430747M1, A.B.G. 21076294, EURODAEWOO 9121-6005D11, JCB 200/61801, VOLVO 14526392, DRESSER 260714R1, JOHN DEERE CQ09338, LIEBHERR 4253411