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
KOMATSU UTILITY 820210009, LIEBHERR 5209288, CATERPILLAR 3K7962, LIEBHERR 5601364, LIEBHERR 5003855, SAMSUNG-H.I. 1081-01670, LIEBHERR, POCLAIN-CASE POCLAIN W0942307, INGERSOLL RAND 56800113, LARSEN & TOUBRO M20242357, ITM C0104100M00, CATERPILLAR 6K9880, BERCO CR2880, HYUNDAI 81E6-2003-30, KOMATSU ALL MAKES ZZYR0071, LARSEN & TOUBRO L20242357, C.M.W-(CHARLES-MACHINES) 337-196, HYUNDAI 81E6-17030, LIEBHERR 5009090, SCHAEFF 5382660371, INGERSOLL RAND 57695637, CASE S233033, JOHN DEERE-CAMECO CB01418829, R310LC, POCLAIN-CASE POCLAIN J0242336, LALTESI 68305, RICHIER 508513527, Rola de sustinere, HYUNDAI 81E6-2003BG, HYUNDAI 81E6-2003, LARSEN & TOUBRO F20342309, RICHIER 508562503, POCLAIN-CASE POCLAIN W0942330, Excavator, POCLAIN-CASE POCLAIN ZKI1642327, BANTAM-KOEHRING 3018.43232, JCB 210/71800, ATLAS-TEREX 322009, POCLAIN-CASE POCLAIN N1642327, CATERPILLAR 6K9879, VPI VCR2880V
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
VPI VCR2880V, RICHIER 508562503, CATERPILLAR 3K7962, SAMSUNG-H.I. 1081-01670, POCLAIN-CASE POCLAIN N1642327, LALTESI 68305, CASE S233033, INGERSOLL RAND 57695637, RICHIER 508513527, LARSEN & TOUBRO M20242357, LIEBHERR 5003855, KOMATSU ALL MAKES ZZYR0071, LIEBHERR 5601364, JOHN DEERE-CAMECO CB01418829, CATERPILLAR 6K9879, Rola de sustinere, CATERPILLAR 6K9880, POCLAIN-CASE POCLAIN W0942307, LIEBHERR 5209288, JCB 210/71800, R310LC, INGERSOLL RAND 56800113, LARSEN & TOUBRO F20342309, POCLAIN-CASE POCLAIN ZKI1642327, HYUNDAI 81E6-17030, BERCO CR2880, ITM C0104100M00, LARSEN & TOUBRO L20242357, LIEBHERR 5009090, POCLAIN-CASE POCLAIN W0942330, BANTAM-KOEHRING 3018.43232, LIEBHERR, SCHAEFF 5382660371, POCLAIN-CASE POCLAIN J0242336, HYUNDAI 81E6-2003, Excavator, HYUNDAI 81E6-2003BG, KOMATSU UTILITY 820210009, ATLAS-TEREX 322009, HYUNDAI 81E6-2003-30, C.M.W-(CHARLES-MACHINES) 337-196