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
EXTEC VCR1968, VPI V7K2017, DRESSER 616200C1, DRESSER-FURUKAWA 3031169R1, POCLAIN-CASE POCLAIN W2434593, CATERPILLAR 5W4022, O-&-K-TEREX 0038240, HYUNDAI 81E6-2054, KOMATSU UTILITY 820510441, SENNEBOGEN 3528017650, POCLAIN-CASE POCLAIN L134514, CASE, POCLAIN-CASE POCLAIN ZKI134514, LANDINI MASSEY FERGUSON 1421302M1, CNH-FIAT NEW HOLLAND 79012421, HANOMAG 2971208M, HANOMAG 2971208M1, BERCO IN1319, HANOMAG 1444855X1, FUCHS 3600986022, CASE R57375, ATLAS-TEREX 0359762, VOLVO 020005226035, POCLAIN-CASE POCLAIN W2534593, LIEBHERR 4202014, ITM D04700A0N17, JOHN DEERE T126932, CNH-FIAT NEW HOLLAND 573905, WIRTGEN 37825, LIEBHERR 4129300, 650, Piulita, POCLAIN-CASE POCLAIN L0134514, CASE R43173, HANOMAG 2928578M1, DEUTZ 2361577, Buldozer, BERCO CR1968, BAUER 10097, LANDINI MASSEY FERGUSON 3031169R3, CASE R17415, RICHIER 508562901, DRESSER 261968R1, VOLVO 14016546
Noua gama E2 de buldoexcavatoare Caterpillar include o serie de îmbunatatiri menite sa asigure performante mai ridicate si siguranta sporita. Aceste îmbunatatiri completeaza elementele care au adus succesul seriei E, astfel ca versatilitatea, productivitatea si fiabilitatea, usurinta operarii, confort
HANOMAG 1444855X1, POCLAIN-CASE POCLAIN L134514, LIEBHERR 4129300, CASE, Piulita, HANOMAG 2971208M, POCLAIN-CASE POCLAIN L0134514, BERCO IN1319, Buldozer, LANDINI MASSEY FERGUSON 1421302M1, POCLAIN-CASE POCLAIN W2534593, POCLAIN-CASE POCLAIN W2434593, POCLAIN-CASE POCLAIN ZKI134514, DRESSER 616200C1, ITM D04700A0N17, VPI V7K2017, CNH-FIAT NEW HOLLAND 573905, CASE R43173, WIRTGEN 37825, ATLAS-TEREX 0359762, VOLVO 14016546, BAUER 10097, HANOMAG 2971208M1, RICHIER 508562901, EXTEC VCR1968, LANDINI MASSEY FERGUSON 3031169R3, HYUNDAI 81E6-2054, VOLVO 020005226035, FUCHS 3600986022, BERCO CR1968, KOMATSU UTILITY 820510441, 650, LIEBHERR 4202014, SENNEBOGEN 3528017650, DEUTZ 2361577, HANOMAG 2928578M1, O-&-K-TEREX 0038240, CASE R57375, CATERPILLAR 5W4022, JOHN DEERE T126932, DRESSER 261968R1, DRESSER-FURUKAWA 3031169R1, CNH-FIAT NEW HOLLAND 79012421, CASE R17415