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
RH6EHD, POCLAIN-CASE POCLAIN P0233006S, BERCO CR1105A, KOMATSU 207-32-E1134E, HANOMAG 374937128, O-&-K-TEREX, HYUNDAI 81E-0023, Excavator, LIEBHERR 7001689, SENNEBOGEN 2511018586, DRESSER 624848C1, HANOMAG 2962609M, LIEBHERR 4091000, ITM D01070A0N15, DRESSER-FURUKAWA 1254518H1, INGERSOLL RAND 57070971, BERCO CR1105, CATERPILLAR 2M8758, VARIOUS 571108, CATERPILLAR 3Y1129, BAUER 240074, VOLVO 14044063, CASE R29245, BENATI 2004014, HANOMAG 2962609M1, TELCO-TATA 9TD01089/3, VOLVO 44063, Surub papuc, O-&-K-TEREX 111742, LIEBHERR 786500614, LANDINI MASSEY FERGUSON 2895889M1, TELCO-TATA 9TD01120/03, LIEBHERR 4097514, LIEBHERR 4098.108.16, DRESSER-FURUKAWA 3194590R2, LIEBHERR 7003775, BERCO ID427, SENNEBOGEN 018586, VPI V1S1859, CNH-FIAT NEW HOLLAND 76040849, POCLAIN-CASE POCLAIN S0233006, POCLAIN-CASE POCLAIN ZKI233006, TELCO-TATA TD01089/3, CATERPILLAR 1S1859, TELCO-TATA TD01120/03, HANOMAG 3254010M1, PRIESTMAN 234855, REEDRILL V007409, 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
LIEBHERR 4097514, BERCO CR1105, HANOMAG 2962609M1, O-&-K-TEREX 111742, RH6EHD, POCLAIN-CASE POCLAIN ZKI233006, HANOMAG 3254010M1, BENATI 2004014, INGERSOLL RAND 57070971, POCLAIN-CASE POCLAIN S0233006, VOLVO 14044063, LIEBHERR 4098.108.16, CATERPILLAR 2M8758, SENNEBOGEN 018586, VOLVO 44063, DRESSER-FURUKAWA 3194590R2, BERCO CR1105A, VPI V1S1859, PRIESTMAN 234855, CNH-FIAT NEW HOLLAND 76040849, VARIOUS 571108, O-&-K-TEREX, DRESSER 624848C1, LIEBHERR 4091000, LANDINI MASSEY FERGUSON 2895889M1, CATERPILLAR 1S1859, POCLAIN-CASE POCLAIN P0233006S, TELCO-TATA TD01120/03, BERCO ID427, LIEBHERR 7003775, KOMATSU 207-32-E1134E, DRESSER-FURUKAWA 1254518H1, CASE R29245, ITM D01070A0N15, HYUNDAI 81E-0023, JOHN DEERE T51523, HANOMAG 2962609M, BAUER 240074, LIEBHERR 786500614, Excavator, TELCO-TATA 9TD01120/03, HANOMAG 374937128, LIEBHERR 7001689, TELCO-TATA 9TD01089/3, REEDRILL V007409, Surub papuc, TELCO-TATA TD01089/3, SENNEBOGEN 2511018586, CATERPILLAR 3Y1129