The 8MCH has a 2400mm width chain harrow on a frame that incorporates category 1 three-point linkage. The main advantages of this form of mounting are ease of transport, simple and easy clearing of debris from the tines, more manoeuvrability on corners, and it avoids over harrowing on headlands.
The photograph shows the 4' version
Mounted 3 Point Linkage Chain Harrow - Ref 8MCH
Working width 2440mm, (8')