Aitchison 8140E Coulters & Roller Drill The Aitchison AirPro is a cost effective way to get maximum ground coverage, combining two proven technologies Electric drive for auto rate and easy calibration Unsurpassed contour following ability 150mm row spacing 3m & 6m sowing widths 6m folds to 2.8m transport width Seed, fertiliser and optional 3rd box Disc openers, tines, and rubber rollers ensure excellent germination Specifications Seeding Width: 6m Seed Capacity: 1000lt Fert Capacity: 1500lt No. Tines: 40