Sprocket 18T, .64" x .64"ID x 7.12"OD, 1.50" wide. Used on Planter Hopper Fertilizer 600 Series pull type. Casting number 311613. 600 Series UNIT PLANTERS - HOPPER DRIVE, SHAFTS, SPROCKETS & MOUNTS 70311613: SPROCKET (18T)
SPROCKET Single 8T .85"ID x 4.87"OD x 2.00" wide at hub. Tapped for one set screw, set screw included. 1/4" keyway. Casting number 533247. Sold individually.