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