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
INGERSOLL RAND 57695637, POCLAIN-CASE POCLAIN N1642327, C.M.W-(CHARLES-MACHINES) 337-196, ITM C0104100M00, CASE S233033, LALTESI 68305, LIEBHERR 5601364, LIEBHERR 5209288, LARSEN & TOUBRO F20342309, POCLAIN-CASE POCLAIN J0242336, VPI VCR2880V, POCLAIN-CASE POCLAIN W0942307, SCHAEFF 5382660371, HYUNDAI 81E6-17030, LARSEN & TOUBRO L20242357, Buldozer, RICHIER 508562503, LIEBHERR 5003855, POCLAIN-CASE POCLAIN ZKI1642327, LIEBHERR 5009090, 650J-LGP, HYUNDAI 81E6-2003-30, HYUNDAI 81E6-2003, CATERPILLAR 6K9880, ATLAS-TEREX 322009, SAMSUNG-H.I. 1081-01670, KOMATSU ALL MAKES ZZYR0071, POCLAIN-CASE POCLAIN W0942330, CATERPILLAR 3K7962, KOMATSU UTILITY 820210009, JOHN DEERE-CAMECO CB01418829, RICHIER 508513527, LARSEN & TOUBRO M20242357, INGERSOLL RAND 56800113, 159987-UP, JOHN DEERE, CATERPILLAR 6K9879, HYUNDAI 81E6-2003BG, JCB 210/71800, BERCO CR2880, BANTAM-KOEHRING 3018.43232, Rola de sustinere
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
HYUNDAI 81E6-2003BG, Rola de sustinere, SCHAEFF 5382660371, JOHN DEERE-CAMECO CB01418829, 650J-LGP, HYUNDAI 81E6-17030, LIEBHERR 5209288, POCLAIN-CASE POCLAIN J0242336, POCLAIN-CASE POCLAIN ZKI1642327, LALTESI 68305, CATERPILLAR 6K9879, HYUNDAI 81E6-2003-30, 159987-UP, KOMATSU ALL MAKES ZZYR0071, HYUNDAI 81E6-2003, SAMSUNG-H.I. 1081-01670, LIEBHERR 5601364, ATLAS-TEREX 322009, BERCO CR2880, CATERPILLAR 3K7962, KOMATSU UTILITY 820210009, JOHN DEERE, POCLAIN-CASE POCLAIN N1642327, CASE S233033, LARSEN & TOUBRO F20342309, RICHIER 508562503, Buldozer, C.M.W-(CHARLES-MACHINES) 337-196, LIEBHERR 5009090, ITM C0104100M00, BANTAM-KOEHRING 3018.43232, INGERSOLL RAND 56800113, LARSEN & TOUBRO L20242357, RICHIER 508513527, POCLAIN-CASE POCLAIN W0942307, CATERPILLAR 6K9880, LARSEN & TOUBRO M20242357, POCLAIN-CASE POCLAIN W0942330, LIEBHERR 5003855, VPI VCR2880V, INGERSOLL RAND 57695637, JCB 210/71800