The key elements of Cross Slot® openers remain the blades, discs and pressure plates and how they interact in the 3️⃣ soil. The

shown here are of a left hand SP blade (white) and pressure plate (green) fitted to a 3️⃣ standard Mark 4 opener (black and grey). These components are brightly coloured for illustrative purposes.

The main advantages of the new 3️⃣ SP system are:

Lower operating costs

Wearing parts are retrofittable to existing Cross Slot® openers

The blades self-align on the disc