Select model catalog: MaxEmerge PLUS Planting Units and Attachments PC2536 MaxEmerge XP Row Units and Attachments PC9478 SeedStar Seed Monitor and Variable Rate Drive PC2516 Pro-Series XP Planting Unit (S.N. 710101- ) PC9479 Electronic Seed Monitor Planter Attachment PC1234 Pro Series Row Planting Unit PC9230