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 87582723, VPI V1S1860, TELCO-TATA 9TD01089/4, KOMATSU 01803-E0202E, VOLVO 140440645, BAUER 49335, HYUNDAI 81E7-0022, TESMEC T00-2600-126, O-&-K-TEREX 42452, SENNEBOGEN 2528018585, LARSEN & TOUBRO W20134542, TELCO-TATA TD01089/4, CASE R29246, LIEBHERR 7001688, POCLAIN-CASE POCLAIN V2334504, CNH-FIAT NEW HOLLAND 76040850, REEDRILL V007410, HANOMAG 3254012M1, Excavator, VARIOUS 571109, LIEBHERR 4130.246.16, VOLVO 44064, Piulita, BERCO CR1967, VOLVO 14044064, DRESSER-FURUKAWA 3194591R1, HANOMAG 2895890M1, SENNEBOGEN 018585, POCLAIN-CASE POCLAIN V0234504, 1704HDS, BLOUNT 31001809, POCLAIN-CASE POCLAIN E0050018, DRESSER 616226C1, CATERPILLAR 1S1860, LIEBHERR 7003772, ITM D0108000N17, CATERPILLAR 1A4019, INGERSOLL RAND 56969264, LIEBHERR 4111000, TELCO-TATA TD01120/04, ATLAS-TEREX, POCLAIN-CASE POCLAIN ZKI234504
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
CASE R29246, LIEBHERR 4111000, BERCO CR1967, POCLAIN-CASE POCLAIN ZKI234504, CATERPILLAR 1S1860, CATERPILLAR 1A4019, DRESSER-FURUKAWA 3194591R1, VOLVO 140440645, 1704HDS, HANOMAG 2895890M1, POCLAIN-CASE POCLAIN E0050018, CNH-FIAT NEW HOLLAND 76040850, LIEBHERR 4130.246.16, REEDRILL V007410, BAUER 49335, KOMATSU 01803-E0202E, HYUNDAI 81E7-0022, POCLAIN-CASE POCLAIN V2334504, Excavator, TELCO-TATA 9TD01089/4, O-&-K-TEREX 42452, HANOMAG 3254012M1, TELCO-TATA TD01089/4, VOLVO 44064, CNH-FIAT NEW HOLLAND 87582723, INGERSOLL RAND 56969264, POCLAIN-CASE POCLAIN V0234504, ATLAS-TEREX, BLOUNT 31001809, SENNEBOGEN 2528018585, SENNEBOGEN 018585, LIEBHERR 7001688, VOLVO 14044064, VPI V1S1860, VARIOUS 571109, DRESSER 616226C1, TELCO-TATA TD01120/04, ITM D0108000N17, TESMEC T00-2600-126, LARSEN & TOUBRO W20134542, LIEBHERR 7003772, Piulita