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
VERMEER 1181230011, VOLVO 020005225990, JOHN DEERE T43322, JCB JNA0086, VOLVO 9112-12001, LIEBHERR 4129303, SENNEBOGEN 3528013331, LANDINI MASSEY FERGUSON 392826X1, REEDRILL V005767, LARSEN & TOUBRO V20134541, DAEWOO 9121-7004, MAIT 2904108, ITM D01060C0N17, POCLAIN-CASE POCLAIN P2434592V, LIEBHERR 4982173, C.M.W-(CHARLES-MACHINES) 107-364, DRESSER 260714R1, LIEBHERR 4122664, CNH-FIAT NEW HOLLAND 579383, TELCO-TATA 9TD01583/3, LANDINI MASSEY FERGUSON N1926, BERCO CR1250, LIEBHERR 7001334, JOHN DEERE CQ09338, BENATI 2001075, JCB JNA0358, TELCO-TATA TD01119/04, VOLVO 14526392, A.B.G. 21076294, MAIT 2175047, VARIOUS 571009, TELCO-TATA 9TD01119/04, GAMBETTI-BARRE M175903002, DAEWOO K1043367, DAEWOO 9121-6005, LANDINI MASSEY FERGUSON 1430747M1, R140LC-9, CATERPILLAR 5W9828, HYUNDAI 81E6-37030, VOLVO 44062, TELCO-TATA TD01583/3, DAEWOO 2121-6014, DRESSER-FURUKAWA 1254381H1, LIEBHERR 7402313, CASE R25688, VOLVO 044062, JCB 200/61801, HANOMAG 2979125M, POCLAIN-CASE POCLAIN V2434592, DRESSER 616209C1, LIEBHERR 4111100, VOLVO SA9112-12001, ATLAS-TEREX 0362007, HYUNDAI, LIEBHERR 4174947, EXTEC VCR1250, DRESSER 311347R2, SAMSUNG-H.I. 9112-01201, LIEBHERR 4253411, INGERSOLL RAND 57700858, POCLAIN-CASE POCLAIN K0134536, CNH-FIAT NEW HOLLAND 71401387, MECALAC 5230071, JOHN DEERE-CAMECO CB01419006, Excavator, CNH-FIAT NEW HOLLAND 79004490, HYUNDAI 81EL-25030, CNH-FIAT NEW HOLLAND 4982173, VOLVO 14044062, E.W.K. 501518401, WIRTGEN 43499, BENATI 2001015, CNH-FIAT NEW HOLLAND 79009851, EURODAEWOO 9121-6005D11, Piulita, KOMATSU 131437, KOMATSU 00131437, DRESSER-FURUKAWA 3150627R1, BERCO CR1250B, CATERPILLAR 1M1408, INGERSOLL RAND 56965270, JOHN DEERE T45097, LANDINI MASSEY FERGUSON 2928706M1, VPI V1M1408, LIEBHERR 7001439, LANDINI MASSEY FERGUSON 2961659M1, LANDINI MASSEY FERGUSON 2979125M1, SIMIT 45482379, POCLAIN-CASE POCLAIN ZKI134536, POCLAIN-CASE POCLAIN PK134536
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
BENATI 2001015, HYUNDAI 81E6-37030, LIEBHERR 4111100, LIEBHERR 7001334, REEDRILL V005767, JOHN DEERE T45097, KOMATSU 00131437, CNH-FIAT NEW HOLLAND 4982173, DAEWOO K1043367, CASE R25688, LANDINI MASSEY FERGUSON 2961659M1, WIRTGEN 43499, JCB JNA0358, KOMATSU 131437, JOHN DEERE CQ09338, SAMSUNG-H.I. 9112-01201, C.M.W-(CHARLES-MACHINES) 107-364, JCB JNA0086, ITM D01060C0N17, Excavator, CNH-FIAT NEW HOLLAND 71401387, DAEWOO 2121-6014, CNH-FIAT NEW HOLLAND 79004490, HANOMAG 2979125M, POCLAIN-CASE POCLAIN ZKI134536, VPI V1M1408, VOLVO 14526392, LANDINI MASSEY FERGUSON 1430747M1, JCB 200/61801, LANDINI MASSEY FERGUSON 2979125M1, BERCO CR1250B, VARIOUS 571009, CNH-FIAT NEW HOLLAND 579383, TELCO-TATA TD01119/04, DRESSER 616209C1, A.B.G. 21076294, BERCO CR1250, TELCO-TATA TD01583/3, VOLVO 9112-12001, HYUNDAI 81EL-25030, LIEBHERR 4174947, R140LC-9, DRESSER 260714R1, BENATI 2001075, JOHN DEERE T43322, SIMIT 45482379, CATERPILLAR 5W9828, DRESSER-FURUKAWA 3150627R1, INGERSOLL RAND 56965270, VOLVO 044062, HYUNDAI, LIEBHERR 4982173, VOLVO SA9112-12001, INGERSOLL RAND 57700858, LANDINI MASSEY FERGUSON 392826X1, ATLAS-TEREX 0362007, POCLAIN-CASE POCLAIN V2434592, VOLVO 14044062, POCLAIN-CASE POCLAIN P2434592V, VOLVO 020005225990, MAIT 2904108, EURODAEWOO 9121-6005D11, TELCO-TATA 9TD01583/3, DRESSER 311347R2, JOHN DEERE-CAMECO CB01419006, MAIT 2175047, TELCO-TATA 9TD01119/04, SENNEBOGEN 3528013331, VOLVO 44062, LANDINI MASSEY FERGUSON 2928706M1, DRESSER-FURUKAWA 1254381H1, LARSEN & TOUBRO V20134541, LIEBHERR 4129303, CATERPILLAR 1M1408, POCLAIN-CASE POCLAIN PK134536, EXTEC VCR1250, LIEBHERR 4122664, DAEWOO 9121-7004, CNH-FIAT NEW HOLLAND 79009851, Piulita, DAEWOO 9121-6005, LIEBHERR 4253411, POCLAIN-CASE POCLAIN K0134536, MECALAC 5230071, LIEBHERR 7001439, LANDINI MASSEY FERGUSON N1926, GAMBETTI-BARRE M175903002, LIEBHERR 7402313, VERMEER 1181230011, E.W.K. 501518401