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
AMERICAN-HOIST 3-003153, BANTAM-KOEHRING 3018.57768, FIAT-HITACHI 71483187, BERCO LH696C, BENFRA 005.2027, DRESSER-FURUKAWA 3372006R91, TESMEC T00-2600-127, FAI 030.03.001, VOLVO 14043993, MAIT 2175008, Rola cu 1 flansa, DAEWOO 2270-9401A, ATLAS-TEREX 855194, JOHN DEERE AT250257, LIEBHERR 5618394, PMI 960073, PRIESTMAN 234404, HITACHI 9066690, LIEBHERR 5605668, BANTAM-KOEHRING 3018.57692, CASAGRANDE 95505023, DAEWOO 2270-6084, HITACHI 9114682, FAI 820220002, BERCO SI805, MAIT 2.175.008, DRESSER-FURUKAWA 3380360H91, BERCO LJ696D, LIEBHERR 5612673, CASAGRANDE 95505002, VOLVO 14043993-6, INGERSOLL RAND 57070997, DRESSER-FURUKAWA 3194637R91, PRIESTMAN 1500772, PMI 960304, HITACHI 9114619, CATERPILLAR 8E4579, BERCO LH27E, H14BLC, HITACHI 9097400, DEMAG 519672, DAEWOO 200104-00001B, BENATI 2104021, FIAT-HITACHI 71466885, Excavator, FIAT-HITACHI 71400941, ITM A7130000Y00, CATERPILLAR 7T6396, VPI VAT250257V, VOLVO, RICHIER 484310665, BERCO LH27B, GAMBETTI-BARRE M203910001, BANTAM-KOEHRING 422V0036, BERCO LH696, BENATI 2104001, LIEBHERR 5000950, RICHIER 484311865, HITACHI 9147345, ITM A14060A0M00, LIEBHERR 5601872, VOLVO 43993, LIEBHERR 5205010, DRESSER-FURUKAWA 3372095R91, BERCO LH27, HITACHI 9168173, BERCO FT3721, JOHN DEERE AT201169, LIEBHERR 5612651
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 95505002, DRESSER-FURUKAWA 3380360H91, H14BLC, VOLVO 43993, RICHIER 484311865, LIEBHERR 5000950, BERCO LH696C, HITACHI 9114619, DRESSER-FURUKAWA 3194637R91, CATERPILLAR 8E4579, BERCO LH27E, ATLAS-TEREX 855194, BENFRA 005.2027, CATERPILLAR 7T6396, HITACHI 9066690, FAI 820220002, DRESSER-FURUKAWA 3372095R91, TESMEC T00-2600-127, HITACHI 9147345, INGERSOLL RAND 57070997, MAIT 2.175.008, LIEBHERR 5205010, DAEWOO 200104-00001B, VOLVO, BANTAM-KOEHRING 3018.57692, FAI 030.03.001, RICHIER 484310665, PRIESTMAN 1500772, DEMAG 519672, FIAT-HITACHI 71483187, JOHN DEERE AT201169, PMI 960073, BERCO SI805, BERCO LJ696D, FIAT-HITACHI 71466885, PMI 960304, PRIESTMAN 234404, MAIT 2175008, BENATI 2104021, DRESSER-FURUKAWA 3372006R91, BANTAM-KOEHRING 422V0036, GAMBETTI-BARRE M203910001, HITACHI 9168173, BANTAM-KOEHRING 3018.57768, BERCO FT3721, Excavator, AMERICAN-HOIST 3-003153, LIEBHERR 5612651, DAEWOO 2270-9401A, BERCO LH696, JOHN DEERE AT250257, LIEBHERR 5605668, VPI VAT250257V, VOLVO 14043993, FIAT-HITACHI 71400941, HITACHI 9114682, ITM A7130000Y00, LIEBHERR 5612673, BERCO LH27, HITACHI 9097400, Rola cu 1 flansa, LIEBHERR 5618394, CASAGRANDE 95505023, DAEWOO 2270-6084, BERCO LH27B, BENATI 2104001, VOLVO 14043993-6, ITM A14060A0M00, LIEBHERR 5601872