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
BERCO CR2880, LARSEN & TOUBRO F20342309, HYUNDAI 81E6-2003BG, LALTESI 68305, KOMATSU ALL MAKES ZZYR0071, BANTAM-KOEHRING 3018.43232, CATERPILLAR, RICHIER 508562503, D4D, POCLAIN-CASE POCLAIN W0942307, VPI VCR2880V, LIEBHERR 5209288, RICHIER 508513527, Buldozer, LARSEN & TOUBRO L20242357, HYUNDAI 81E6-17030, SCHAEFF 5382660371, LARSEN & TOUBRO M20242357, POCLAIN-CASE POCLAIN N1642327, POCLAIN-CASE POCLAIN W0942330, LIEBHERR 5009090, LIEBHERR 5601364, INGERSOLL RAND 56800113, HYUNDAI 81E6-2003, HYUNDAI 81E6-2003-30, ATLAS-TEREX 322009, 22C-1-UP, CATERPILLAR 6K9879, POCLAIN-CASE POCLAIN J0242336, ITM C0104100M00, CATERPILLAR 3K7962, CATERPILLAR 6K9880, JCB 210/71800, LIEBHERR 5003855, JOHN DEERE-CAMECO CB01418829, Rola de sustinere, KOMATSU UTILITY 820210009, C.M.W-(CHARLES-MACHINES) 337-196, CASE S233033, SAMSUNG-H.I. 1081-01670, POCLAIN-CASE POCLAIN ZKI1642327, INGERSOLL RAND 57695637
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
POCLAIN-CASE POCLAIN W0942330, LALTESI 68305, POCLAIN-CASE POCLAIN W0942307, HYUNDAI 81E6-2003-30, INGERSOLL RAND 56800113, LARSEN & TOUBRO M20242357, CASE S233033, VPI VCR2880V, POCLAIN-CASE POCLAIN N1642327, JOHN DEERE-CAMECO CB01418829, HYUNDAI 81E6-2003BG, POCLAIN-CASE POCLAIN J0242336, HYUNDAI 81E6-17030, POCLAIN-CASE POCLAIN ZKI1642327, Buldozer, CATERPILLAR 6K9880, KOMATSU ALL MAKES ZZYR0071, LIEBHERR 5209288, ATLAS-TEREX 322009, LIEBHERR 5601364, HYUNDAI 81E6-2003, LIEBHERR 5003855, ITM C0104100M00, BANTAM-KOEHRING 3018.43232, BERCO CR2880, 22C-1-UP, Rola de sustinere, CATERPILLAR 3K7962, CATERPILLAR 6K9879, D4D, RICHIER 508513527, INGERSOLL RAND 57695637, RICHIER 508562503, SAMSUNG-H.I. 1081-01670, SCHAEFF 5382660371, CATERPILLAR, C.M.W-(CHARLES-MACHINES) 337-196, LIEBHERR 5009090, KOMATSU UTILITY 820210009, LARSEN & TOUBRO L20242357, JCB 210/71800, LARSEN & TOUBRO F20342309