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, BERCO CR1328E, CATERPILLAR 4B9716, CATERPILLAR 118-1608, BERCO CR1328C, CATERPILLAR 7K8095, BERCO CR1328D, CATERPILLAR 4F5322, Buldozer, CATERPILLAR 3B1404, ITM A0104001M00, Rola cu 1 flansa, CATERPILLAR 1M4218, CATERPILLAR 7K8083, CATERPILLAR 8B1599, CATERPILLAR 7F2465, LIEBHERR 5003853, 88A-1-460, CATERPILLAR 2Y9611, CATERPILLAR 9P4208, CATERPILLAR 9P7783, CATERPILLAR 6T9887, CATERPILLAR 5K5203, CATERPILLAR 6B5362, D4D, VPI VCR1328V, CATERPILLAR 3K2779, BERCO CR1328, CATERPILLAR 5H6099
Comercializam alternatoare pentru buldozere, buldoexcavatoare, excavatoare si incarcatoare Komatsu.600-811-3150, 600-821-2330, 600-821-2340, 600-821-2350, 600-821-3120, 600-821-3260,600-821-3350, 600-821-3370, 600-821-3571, 600-821-3580, 600-821-3840, 600-821-3850,600-821-3860, 600-821-3870, 600-821-5170, 600-821-5171,
CATERPILLAR 4F5322, CATERPILLAR 4B9716, CATERPILLAR 7K8095, CATERPILLAR 2Y9611, CATERPILLAR 6B5362, ITM A0104001M00, BERCO CR1328C, CATERPILLAR 7K8083, CATERPILLAR 8B1599, Buldozer, CATERPILLAR 5H6099, CATERPILLAR 1M4218, Rola cu 1 flansa, 88A-1-460, CATERPILLAR 3B1404, BERCO CR1328, BERCO CR1328E, CATERPILLAR 7F2465, D4D, CATERPILLAR 3K2779, BERCO CR1328D, CATERPILLAR 9P7783, CATERPILLAR 9P4208, CATERPILLAR 5K5203, LIEBHERR 5003853, CATERPILLAR, CATERPILLAR 118-1608, VPI VCR1328V, CATERPILLAR 6T9887