
Went From Blowing Out Air Filters Every Two Days to Twice a Season: Cole the Cornstar’s Experience with Hillco Air Flow Systems
From cleaning air filters every two days to twice a season? That’s what we like to hear!
The only limit to our realization of tomorrow will be our doubts of today.
Franklin D. Roosevelt
As the Wrap Twine Remover continues its advance in the market, we strive to continuously address commonly asked questions.

From cleaning air filters every two days to twice a season? That’s what we like to hear!

A behind-the-scenes look at the first Hillco Leveling System prototype for the Case IH AF10!
Enter your farm data to calculate what a Hillco leveling system puts back in your pocket. Fields are pre-filled with study data — update the numbers that apply to your operation.
% of total acres per slope range — all crops combined (must total 100%)
With a Hillco leveling system, your combine harvests slopes at your flat-ground (0–3%) speed.
| Slope | Corn | Soybeans | Wheat |
|---|---|---|---|
| 0–3% | |||
| 4–9% | |||
| 10–15% | |||
| 16%+ |
| Slope | Corn | Soybeans | Wheat |
|---|---|---|---|
| 0–3% | |||
| 4–9% | |||
| 10–15% | |||
| 16%+ |
Typically 70% (separator hrs ÷ engine hrs)
$300–$400 new, ~$150 older. Enter $0 to exclude.
Typically 16–20 GPH
John Deere S7 Sidehill (18%): ~$84,000 | John Deere S7 Hillside (28%) w/ dual tire: ~$155,400 | Case IH Flagship Sidehill: ~$82,000 | Case IH Flagship Hillside w/ dual tire: ~$152,500. Consult your dealer for used values.
Hillco systems retain ~40% of original value after 5 years
Annual separator hours
Payback progress (5-year window)
Payback: calculating...
Results are estimates based on your inputs and Hillco study data. Actual results may vary.
Contact your local Hillco dealer for a personalized quote | 1-800-937-2461 | hillcotechnologies.com