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 VCR1251, GAMBETTI-BARRE M175903001, HYUNDAI 81EL-25020, LIEBHERR 4982171, HANOMAG 2979124M, Surub papuc, A.B.G. 21076286, LANDINI MASSEY FERGUSON 2928705M1, E.W.K. 501518501, CASE 295318A1, CATERPILLAR 5H8756, TELCO-TATA 9TD01583/2, MAIT 2901221, ITM D04100A0N15, JOHN DEERE T45096, LANDINI MASSEY FERGUSON 3089873M1, VPI V7H3597, LANDINI MASSEY FERGUSON 2979124M1, BERCO CR1251A, DRESSER 1254380H1, SIMIT 45482377, REEDRILL V005766, VOLVO 16545, TELCO-TATA TD01119/03, LIEBHERR 4097515, SENNEBOGEN 013343, LIEBHERR 4091100, TELCO-TATA 9TD01119/03, TELCO-TATA TD01583/2, POCLAIN-CASE POCLAIN W0033071, CATERPILLAR 5W9827, VOLVO 14016545, BERCO CR1251, CNH-FIAT NEW HOLLAND 79031606, LIEBHERR 4157879, JOHN DEERE CQ09337, JCB JNA0362, PR712BM, BENATI 2001074, LIEBHERR, CNH-FIAT NEW HOLLAND 79004489, LANDINI MASSEY FERGUSON 2979121M1, C.M.W-(CHARLES-MACHINES) 107-365, CATERPILLAR 7H3597, LIEBHERR 4253410, MAIT 2175046, LIEBHERR 7001485, CNH-FIAT NEW HOLLAND 4982171, INGERSOLL RAND 56965262, VOLVO 18065840, JOHN DEERE-CAMECO CB01419009, LANDINI MASSEY FERGUSON 2979939M1, JCB JNA0295, VARIOUS 571008, LANDINI MASSEY FERGUSON 1430746M1, JOHN DEERE T43323, INGERSOLL RAND 57700866, JOHN DEERE T121478, LANDINI MASSEY FERGUSON 4906550M1, DRESSER-FURUKAWA 319325231R1, DRESSER-FURUKAWA 3193523R1, Buldozer, VERMEER 118120001, INGERSOLL RAND 57407405
CommaTECH srl va ofera piese de schimb pentru toata gama de motoare Hanomag, printre altele pentru utilajele de constructii: Hanomag_22, Hanomag_35, Hanomag 44, Hanomag 50, Hanomag 55, Hanomag 60, Hanomag 66, Hanomag 70, Hanomag 77, Hanomag d500, Hanomag d540, 
BERCO CR1251, E.W.K. 501518501, HYUNDAI 81EL-25020, LIEBHERR, DRESSER-FURUKAWA 3193523R1, LANDINI MASSEY FERGUSON 2979121M1, TELCO-TATA TD01583/2, LANDINI MASSEY FERGUSON 2979124M1, ITM D04100A0N15, LANDINI MASSEY FERGUSON 3089873M1, VERMEER 118120001, PR712BM, LIEBHERR 4253410, LIEBHERR 4982171, TELCO-TATA 9TD01119/03, JOHN DEERE T43323, Surub papuc, JOHN DEERE CQ09337, JOHN DEERE T121478, CNH-FIAT NEW HOLLAND 79004489, MAIT 2175046, INGERSOLL RAND 57407405, REEDRILL V005766, C.M.W-(CHARLES-MACHINES) 107-365, LIEBHERR 4097515, CATERPILLAR 5H8756, CATERPILLAR 5W9827, GAMBETTI-BARRE M175903001, LIEBHERR 4091100, VARIOUS 571008, MAIT 2901221, HANOMAG 2979124M, CASE 295318A1, LIEBHERR 7001485, LANDINI MASSEY FERGUSON 2928705M1, TELCO-TATA TD01119/03, CNH-FIAT NEW HOLLAND 4982171, Buldozer, JOHN DEERE T45096, LANDINI MASSEY FERGUSON 1430746M1, INGERSOLL RAND 57700866, VOLVO 14016545, BENATI 2001074, CNH-FIAT NEW HOLLAND 79031606, LANDINI MASSEY FERGUSON 4906550M1, VPI V7H3597, JCB JNA0362, TELCO-TATA 9TD01583/2, JCB JNA0295, SENNEBOGEN 013343, DRESSER 1254380H1, JOHN DEERE-CAMECO CB01419009, INGERSOLL RAND 56965262, A.B.G. 21076286, SIMIT 45482377, DRESSER-FURUKAWA 319325231R1, BERCO CR1251A, VOLVO 16545, POCLAIN-CASE POCLAIN W0033071, LANDINI MASSEY FERGUSON 2979939M1, EXTEC VCR1251, VOLVO 18065840, LIEBHERR 4157879, CATERPILLAR 7H3597