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
CASAGRANDE 95505023, RICHIER 484310665, ATLAS-TEREX 855194, BERCO LJ696D, LIEBHERR 5205010, DRESSER-FURUKAWA 3194637R91, DAEWOO 2270-6084, VOLVO 14043993-6, JOHN DEERE AT201169, DRESSER-FURUKAWA 3380360H91, HITACHI 9147345, BERCO LH696, CATERPILLAR 8E4579, BANTAM-KOEHRING 3018.57768, BERCO FT3721, BERCO SI805, BERCO LH27, HITACHI 9097400, VOLVO 14043993, BANTAM-KOEHRING 422V0036, PRIESTMAN 234404, JOHN DEERE AT250257, AMERICAN-HOIST 3-003153, FIAT-HITACHI 71466885, LIEBHERR 5000950, BENATI 2104021, Excavator, FIAT-HITACHI 71400941, BERCO LH27B, INGERSOLL RAND 57070997, HITACHI 9114619, PRIESTMAN 1500772, FH300LC, LIEBHERR 5618394, DRESSER-FURUKAWA 3372095R91, PMI 960073, HITACHI 9114682, LIEBHERR 5605668, BERCO LH696C, BERCO LH27E, RICHIER 484311865, LIEBHERR 5601872, FAI 820220002, ITM A14060A0M00, FAI 030.03.001, HITACHI 9168173, DAEWOO 200104-00001B, VOLVO 43993, TESMEC T00-2600-127, MAIT 2.175.008, BENFRA 005.2027, DRESSER-FURUKAWA 3372006R91, DAEWOO 2270-9401A, ITM A7130000Y00, GAMBETTI-BARRE M203910001, LIEBHERR 5612673, LIEBHERR 5612651, HITACHI 9066690, PMI 960304, FIAT-HITACHI 71483187, MAIT 2175008, CATERPILLAR 7T6396, BANTAM-KOEHRING 3018.57692, Rola cu 1 flansa, CASAGRANDE 95505002, VPI VAT250257V, DEMAG 519672, BENATI 2104001, FIAT-HITACHI
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
LIEBHERR 5601872, HITACHI 9147345, Rola cu 1 flansa, PRIESTMAN 1500772, VPI VAT250257V, BENFRA 005.2027, BANTAM-KOEHRING 422V0036, CATERPILLAR 8E4579, BERCO LH696, TESMEC T00-2600-127, BANTAM-KOEHRING 3018.57692, CATERPILLAR 7T6396, BERCO FT3721, FIAT-HITACHI 71466885, DRESSER-FURUKAWA 3194637R91, JOHN DEERE AT250257, HITACHI 9168173, RICHIER 484310665, Excavator, VOLVO 14043993-6, BERCO LJ696D, DAEWOO 2270-9401A, CASAGRANDE 95505023, LIEBHERR 5618394, PMI 960304, VOLVO 14043993, LIEBHERR 5205010, FH300LC, BERCO LH27B, BENATI 2104001, MAIT 2175008, DEMAG 519672, LIEBHERR 5000950, BERCO LH696C, BENATI 2104021, ITM A14060A0M00, MAIT 2.175.008, HITACHI 9066690, BANTAM-KOEHRING 3018.57768, VOLVO 43993, PMI 960073, DAEWOO 200104-00001B, BERCO LH27E, AMERICAN-HOIST 3-003153, FAI 820220002, LIEBHERR 5612673, HITACHI 9097400, DRESSER-FURUKAWA 3372006R91, DRESSER-FURUKAWA 3372095R91, FIAT-HITACHI, INGERSOLL RAND 57070997, BERCO LH27, HITACHI 9114619, DRESSER-FURUKAWA 3380360H91, FAI 030.03.001, ATLAS-TEREX 855194, PRIESTMAN 234404, JOHN DEERE AT201169, LIEBHERR 5612651, HITACHI 9114682, DAEWOO 2270-6084, FIAT-HITACHI 71483187, GAMBETTI-BARRE M203910001, FIAT-HITACHI 71400941, ITM A7130000Y00, CASAGRANDE 95505002, BERCO SI805, LIEBHERR 5605668, RICHIER 484311865