The frame is constructed of high strength 4 x 6 x 3/8 inch (102 x 152 x 9.5 mm) steel tube to withstand the high stress of aggressive tillage.
It is cross braced and gusseted for added strength and trouble-free service.
Minimum Disturbance Shank
The minimal disturbance shanks of the Sunflower 4700 Series have a maximum working depth of 20 inches (50.8cm). The shank is made of 1-1/4 inches (31.8 mm) high strength abrasion resistant steel with a chromium carbide shin guard to protect the shank from wear.
The parabolic shanks have a operating depth of 16-inches (40.6 cm). Both shanks are also available in a fixed version with shear bolt protection.
Spring Trip Shank Mount
The Spring Reset Shank Holder (recommended in rocky conditions) is set at a 3000 pound point load and has eighteen inches of vertical trip height.
Rigid Shank Mount
The Rigid Shank Holder features shear-bolt protection.