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
E.W.K. 501518401, CNH-FIAT NEW HOLLAND 579383, INGERSOLL RAND 56965270, VOLVO 044062, POCLAIN-CASE POCLAIN K0134536, VERMEER 1181230011, LIEBHERR 7001439, HANOMAG 2979125M, DAEWOO K1043367, VOLVO 9112-12001, POCLAIN-CASE POCLAIN ZKI134536, CNH-FIAT NEW HOLLAND 79004490, D5, JOHN DEERE T45097, POCLAIN-CASE POCLAIN P2434592V, LANDINI MASSEY FERGUSON 2961659M1, A.B.G. 21076294, JOHN DEERE T43322, DRESSER-FURUKAWA 3150627R1, SIMIT 45482379, CATERPILLAR, BERCO CR1250, REEDRILL V005767, CNH-FIAT NEW HOLLAND 4982173, DRESSER 260714R1, CATERPILLAR 5W9828, EURODAEWOO 9121-6005D11, HYUNDAI 81E6-37030, LIEBHERR 4253411, TELCO-TATA TD01583/3, VOLVO 14526392, MAIT 2904108, C.M.W-(CHARLES-MACHINES) 107-364, VPI V1M1408, VARIOUS 571009, CNH-FIAT NEW HOLLAND 79009851, JCB JNA0086, Piulita, SAMSUNG-H.I. 9112-01201, SENNEBOGEN 3528013331, LIEBHERR 4129303, TELCO-TATA 9TD01119/04, BENATI 2001015, LARSEN & TOUBRO V20134541, DAEWOO 9121-6005, LANDINI MASSEY FERGUSON 2979125M1, LIEBHERR 7402313, LIEBHERR 4111100, CNH-FIAT NEW HOLLAND 71401387, MAIT 2175047, Buldozer, JCB JNA0358, DRESSER-FURUKAWA 1254381H1, 95J-1-268, LIEBHERR 7001334, HYUNDAI 81EL-25030, EXTEC VCR1250, LIEBHERR 4982173, ATLAS-TEREX 0362007, VOLVO SA9112-12001, MECALAC 5230071, JOHN DEERE-CAMECO CB01419006, LANDINI MASSEY FERGUSON 392826X1, POCLAIN-CASE POCLAIN V2434592, VOLVO 020005225990, BERCO CR1250B, LANDINI MASSEY FERGUSON N1926, LIEBHERR 4122664, TELCO-TATA TD01119/04, LIEBHERR 4174947, CASE R25688, DRESSER 616209C1, JOHN DEERE CQ09338, VOLVO 44062, DRESSER 311347R2, WIRTGEN 43499, VOLVO 14044062, CATERPILLAR 1M1408, JCB 200/61801, KOMATSU 131437, KOMATSU 00131437, POCLAIN-CASE POCLAIN PK134536, DAEWOO 9121-7004, TELCO-TATA 9TD01583/3, BENATI 2001075, LANDINI MASSEY FERGUSON 1430747M1, LANDINI MASSEY FERGUSON 2928706M1, ITM D01060C0N17, DAEWOO 2121-6014, INGERSOLL RAND 57700858, GAMBETTI-BARRE M175903002
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
CNH-FIAT NEW HOLLAND 71401387, VOLVO SA9112-12001, SAMSUNG-H.I. 9112-01201, POCLAIN-CASE POCLAIN V2434592, LANDINI MASSEY FERGUSON 2961659M1, VOLVO 9112-12001, JOHN DEERE T43322, MAIT 2904108, BERCO CR1250B, CATERPILLAR, LIEBHERR 4982173, LANDINI MASSEY FERGUSON 392826X1, DAEWOO K1043367, CATERPILLAR 1M1408, LANDINI MASSEY FERGUSON 2979125M1, Buldozer, KOMATSU 131437, VOLVO 044062, JCB 200/61801, LIEBHERR 7402313, VPI V1M1408, CNH-FIAT NEW HOLLAND 4982173, VOLVO 14044062, VOLVO 44062, DRESSER 260714R1, DAEWOO 9121-7004, INGERSOLL RAND 57700858, LANDINI MASSEY FERGUSON N1926, POCLAIN-CASE POCLAIN P2434592V, LIEBHERR 4129303, DAEWOO 9121-6005, TELCO-TATA TD01119/04, A.B.G. 21076294, INGERSOLL RAND 56965270, CASE R25688, DRESSER-FURUKAWA 1254381H1, CNH-FIAT NEW HOLLAND 79009851, JOHN DEERE T45097, VOLVO 020005225990, DAEWOO 2121-6014, VARIOUS 571009, LANDINI MASSEY FERGUSON 2928706M1, KOMATSU 00131437, ATLAS-TEREX 0362007, POCLAIN-CASE POCLAIN K0134536, JOHN DEERE-CAMECO CB01419006, Piulita, HANOMAG 2979125M, REEDRILL V005767, CNH-FIAT NEW HOLLAND 579383, LIEBHERR 4122664, JOHN DEERE CQ09338, JCB JNA0086, TELCO-TATA 9TD01583/3, HYUNDAI 81EL-25030, DRESSER 311347R2, D5, VOLVO 14526392, SIMIT 45482379, CATERPILLAR 5W9828, C.M.W-(CHARLES-MACHINES) 107-364, JCB JNA0358, LIEBHERR 4174947, E.W.K. 501518401, ITM D01060C0N17, EXTEC VCR1250, VERMEER 1181230011, POCLAIN-CASE POCLAIN ZKI134536, BENATI 2001075, LIEBHERR 4253411, TELCO-TATA TD01583/3, LIEBHERR 4111100, HYUNDAI 81E6-37030, BERCO CR1250, BENATI 2001015, TELCO-TATA 9TD01119/04, MECALAC 5230071, LIEBHERR 7001439, SENNEBOGEN 3528013331, 95J-1-268, WIRTGEN 43499, LARSEN & TOUBRO V20134541, CNH-FIAT NEW HOLLAND 79004490, EURODAEWOO 9121-6005D11, LIEBHERR 7001334, MAIT 2175047, LANDINI MASSEY FERGUSON 1430747M1, DRESSER 616209C1, POCLAIN-CASE POCLAIN PK134536, DRESSER-FURUKAWA 3150627R1, GAMBETTI-BARRE M175903002