</font><font color="blue" class="small">( I've thought about buying two 30 inch wide fertilizer drop spreaders (if I could find them that wide), hook them together at the axles, mount them forward and above a pulverizer type roller, and use it to drill grass seed.
The drive would be off the pulvervizer roller.
If you build the prototype, I'll let you...............
Ron )</font>
Contact Ken Sweet (Sweet Farm Equipment) and ask about the Ferguson Yardmaker. I have a 7'er on order now. (He has 6' models in stock) They are essentially what you describe. A drop spreader followed by a packer wheel. Packer drives the drop spreader. Nice, clean outfit, and fairly inexpensive....