To reduce the number of hoses for the tractor, the BIGAB can be equipped with an electrically controlled control valve to control different functions.
Art no. 700806 (3 functions plus three available spaces for additional functions)
Art no. 700802 (4 functions plus two available spaces for additional functions) 14-17/17-20
Art no. 700800 (6 functions) 15-19T / 22-27
The photo is illustrative.