Aricks Precision Ag Parts Hardened Steel & Non‑Greasing Kits Closing Wheels, Bushings, Axles & Depth Adjust Assemblies For John Deere 50 60 90 & Pro‑Series Openers Lighting Search Lights Built in heading sensor: Yes Marine Hardware Accessories Built in heading sensor: Yes modern mid range sail boat which has restricted space to mount a standard Specification NG62 90 Series NG86 90 Series Material Hardened steel Hardened steel Design Non‑greasable bush set Non‑greasable bush set Sleeve Diameter 62 mm 86 mm Compatibility John Deere 90 Series John Deere 90 Series Benefit Reduced downtime Increased stability self‑lubricating bushings