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6.2.1 Air brake system
For the air brake system of the implement the tractor must be equipped with a
two-hose air brake system with coupling heads according to ISO 1728.
6.2.2 Hydraulic brake system
For the hydraulic brake system, the tractor must be fitted with a hydraulic coupling
as per ISO 5676.
6.2.3 Without braking system
For implements without a braking system,
running axles or braking axles without ac-
tuating devices are used.