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