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
REEDRILL V007409, SENNEBOGEN 2511018586, KOMATSU 207-32-E1134E, INGERSOLL RAND 57070971, DRESSER-FURUKAWA 1254518H1, LIEBHERR 4097514, POCLAIN-CASE POCLAIN ZKI233006, ITM D01070A0N15, CATERPILLAR 1S1859, CATERPILLAR 3Y1129, LIEBHERR 786500614, TELCO-TATA TD01120/03, CNH-FIAT NEW HOLLAND 76040849, BENATI 2004014, HANOMAG 2962609M, TELCO-TATA TD01089/3, LANDINI MASSEY FERGUSON 2895889M1, Incarcator, O-&-K-TEREX 111742, LIEBHERR 7003775, LIEBHERR 7001689, LIEBHERR 4098.108.16, HANOMAG 3254010M1, VOLVO 44063, CATERPILLAR, VARIOUS 571108, SENNEBOGEN 018586, TELCO-TATA 9TD01089/3, LIEBHERR 4091000, HANOMAG 2962609M1, CATERPILLAR 2M8758, Surub papuc, PRIESTMAN 234855, 18Z-1-1352, TELCO-TATA 9TD01120/03, DRESSER-FURUKAWA 3194590R2, POCLAIN-CASE POCLAIN P0233006S, BERCO CR1105, BERCO ID427, BERCO CR1105A, CASE R29245, VOLVO 14044063, POCLAIN-CASE POCLAIN S0233006, 963, BAUER 240074, HANOMAG 374937128, VPI V1S1859, DRESSER 624848C1, HYUNDAI 81E-0023, JOHN DEERE T51523
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
CASE R29245, LIEBHERR 7001689, CATERPILLAR 3Y1129, VPI V1S1859, LIEBHERR 4097514, HYUNDAI 81E-0023, HANOMAG 374937128, INGERSOLL RAND 57070971, LIEBHERR 7003775, BAUER 240074, JOHN DEERE T51523, 963, BENATI 2004014, BERCO ID427, SENNEBOGEN 2511018586, HANOMAG 2962609M, CNH-FIAT NEW HOLLAND 76040849, VARIOUS 571108, HANOMAG 2962609M1, HANOMAG 3254010M1, TELCO-TATA TD01120/03, DRESSER-FURUKAWA 1254518H1, LIEBHERR 786500614, Surub papuc, LIEBHERR 4098.108.16, VOLVO 14044063, CATERPILLAR 2M8758, O-&-K-TEREX 111742, ITM D01070A0N15, POCLAIN-CASE POCLAIN ZKI233006, CATERPILLAR 1S1859, BERCO CR1105A, TELCO-TATA 9TD01120/03, DRESSER-FURUKAWA 3194590R2, VOLVO 44063, LIEBHERR 4091000, Incarcator, POCLAIN-CASE POCLAIN S0233006, CATERPILLAR, KOMATSU 207-32-E1134E, TELCO-TATA TD01089/3, REEDRILL V007409, LANDINI MASSEY FERGUSON 2895889M1, 18Z-1-1352, PRIESTMAN 234855, TELCO-TATA 9TD01089/3, BERCO CR1105, SENNEBOGEN 018586, POCLAIN-CASE POCLAIN P0233006S, DRESSER 624848C1