Agricultural machines specially adapted for combine harvesters, namely, corn heads, sunflower heads, sorghum heads; replacement parts for the aforementioned agricultural machines specially adapted for combine harvesters, namely, chains, cutting platforms, augers; transmissions for machines, bonnets in the nature of machine parts, namely, hoods; replacement parts for combine harvesters, namely, blade cutting elements, chopper elements, clutches, adapters, rigid frames, folding frames, sumps curtains, snoots, folding cylinders, hydraulic kits, gear boxes, tow shafts, tow joints, tow couplers, row units, gathering chains, stalk stompers, drive shafts, PTO (power take off) machines, belts, center covers, and auto contour kits