The key elements of Cross Slot® openers remain the blades, discs and pressure plates and how they interact in the 1️⃣ soil. The
shown here are of a left hand SP blade (white) and pressure plate (green) fitted to a 1️⃣ standard Mark 4 opener (black and grey). These components are brightly coloured for illustrative purposes.
The main advantages of the new 1️⃣ SP system are:
Lower operating costs
Wearing parts are retrofittable to existing Cross Slot® openers
The blades self-align on the disc
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