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The Art's Way 6140 Grinder Mixer combines a 20-inch hammer mill with a 140-bushel mixing tank. Four-way reversible hammers and replaceable screens let the mill be set for the feed being prepared.
A hydraulic trough auger feeds the mill, and the hydraulic unloading auger lifts and swings for positioning over bins or feeding equipment. The hammer-mill model can be configured for either 540 or 1,000 RPM PTO drive.
| Specification | Details |
|---|---|
| Mixing tank | 140 bu.; 173.2 cu. ft. |
| Hammer mill | 20 in.; 72 reversible hammers |
| Screen area | 600 sq. in. |
| Tractor power | 40–100 HP |
| PTO choices | 540 or 1,000 RPM |
| Feed auger | 10-in. diameter × 96-in. length |
| Unload auger | 8-in. diameter; 10-ft. standard tube |
| Standard unload reach | 16 ft. 5 in. at 60 degrees |
| Weight with feeder | 4,500 lb. |
A 3-foot unload extension increases reach to 19 feet, while a 6-foot extension reaches 21 feet 6 inches. We can match the screen and scale choices to your feed batches and confirm the PTO configuration and unload reach for your tractor and bins.
The 6140 CattleMaxx is the roller-mill alternative. Browse our grinder mixers and Art's Way equipment.
Pay by card at checkout, or choose Reserve for $0. We’ll confirm the product, selected options, availability, taxes, and pickup or delivery. Reservations are held for 7 days.
After confirmation, you can arrange payment by check, ACH or wire transfer, or discuss financing. Financing may be available when at least $5,000 of qualifying equipment is financed, subject to credit and underwriting approval.
We ship parts and equipment nationwide by parcel or freight. Pickup is available at our Henderson, Iowa store. We’ll confirm timing and the fulfillment plan with you before your order is released.
Talk with our equipment and parts team before you order. We can help compare models, explain the listed configuration, or review a part number with you.
Our Henderson, Iowa team includes dedicated parts and warranty staff. If you need a replacement part or help with a manufacturer warranty question, contact us with the model and serial number of your equipment.
Call 712-566-1033 or use the specialist button above. Meet our support team.

Family owned in Henderson, Iowa
“Excellent service before and after the sale, very knowledgeable about the products they offer.”
Family-owned since 1980
The Keast family's farming roots in Southwest Iowa reach back to the 1870s, when Thomas Keast settled near Macedonia. Russ began selling equipment on the family farm in 1980, bringing firsthand experience and a practical understanding of how machinery needs to perform in the field. Today, Keast Enterprises serves customers across the country, with the same dedication to fair prices, dependable support, and quality products.
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Product details, availability, and features may change. Contact us if you need us to confirm any detail before ordering.