The Ultimate Grading Attachment 

No TURNTABLE to maintain!!
No slides to replace
No Greasing!!
No A-Frame to rebuild
The SharpGrade G-series is the worlds first "grease free" grader attachment.
NO Grease
The patented QuadRod Linkage is the industries only "grease free" design.
The SharpGrade G-128 is rotated though the QuadRod Linkage. This means no turntable to grease, shim, and maintain. This alone with save countless hours in maintenance repairs.
The SharpGrade G-series also does not have a "A-Frame" to maintain. The QuadRod Linkage handles it all, including allowing the blade to accurately grade in reverse!