- 6′ Diameter 2 Ring with 60° Hopper 171 Bushels 4.25 Tons ————–$2,165
- 6′ Diameter 3 Ring with 60° Hopper 231 Bushels 5.74 Tons ————–$2,400
- 7′ Diameter 2 Ring with 67° Hopper 266 Bushels 6.63 Tons ————–$3,030
- 7′ Diameter 3 Ring with 67° Hopper 348 Bushels 8.66 Tons ————–$3,310
- 9′ Diameter 2 Ring with 60° Hopper 455 Bushels 11.04 Tons ————$4,180
- 9′ Diameter 3 Ring with 60° Hopper 578 Bushels 14.39 Tons ————$4,680
- 9′ Diameter 3 Ring with 45° Hopper 523 Bushels 13.02 Tons ————$4,175
- 12′ Diameter 3 Ring with 45° Hopper 1,039 Bushels 28.03 Tons ——-$6,250
- 12′ Diameter 4 Ring with 45° Hopper 1,290 Bushels 34.74 Tons ——-$7,595
- 15′ Diameter 4 Ring with 45° Hopper 2,127 Bushels 28.03 Tons ——-$12,795