Bedding fluff, TMR ration chop, fine feed, coarse mulch. One HayBuster grinds all of it. You pick the length, the screen sets it, and the machine holds it bale after bale at full throughput. That is the whole promise, and we have kept it since 1966.
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These are real samples from real HayBusters, not brochure renderings. Same machine, different screens.
Short enough that she cannot sort it. Run 4 to 6 cm screens on Side A, 6 to 8 cm on Side B, and the ration stays mixed in the bunk.
Soft, leafy and even. Blends into dairy and beef rations without dusting up like a hammermill flour.
A 10 cm screen makes fluffy, absorbent bedding that spreads clean and soaks up the winter. Boot for scale.
Erosion control, mulch and rough feed. Screens of 20 cm and larger keep the tonnes moving with a longer cut.
The screen is the machine. Hammers at 2,250 rpm force material through it, and nothing leaves the mill until it fits. That is why a HayBuster chop is set by steel, not by luck.
The sizing rule is simple: double your target. Want a 2 cm chop, install a 4 cm screen. On the H-1000, H-1030 and H-1135 two screen halves run at once, with Side B one or two sizes larger so sized material evacuates and the flow stays consistent. Screens run from 1.5 mm to 500 mm, so the same tub covers flour-fine grain and 20 cm mulch.
That sample box in the photo is rapeseed straw off a 100/120 mm screen pair, ground for a feed mix in Sweden. We measure and label what comes out of the machine, because the length is what you are buying.
Moisture decides more about your grind than horsepower does. Dry straw runs fastest and sizes truest. Above 20 percent moisture, throughput drops, and a small screen slows it further. The fix is not a bigger tractor. It is running the largest screen that still hits your target length.
Genuinely wet material is its own game. For manure, silage rejects and rained-on bales we run anvil screens: a solid cutting edge with no holes to plug. That is the setup our biogas customers grind wet feedstock with all winter. See how on the biogas page.
And if your climate keeps hay damp, tell us. Machine layout matters: on some models the mill placement and discharge handle high moisture better than others, and we would rather point you at the right machine than sell you the wrong one. Straight answers.
The University of Guelph fed gestating cows the same high-straw ration and changed one thing: the chop, from roughly 18 cm down to 5 cm. The cows on the short chop ate 1.43 kg more dry matter per day and held their body condition better. Same feed, different length, different animal.
She sorts a long chop and eats a short one. That is the whole argument for grinding it right, and it is worth real money in intake, milk and condition.
Any machine can chop one bale right. The job is holding that length through the hundredth bale, at pace. The Big Bite tub keeps the mill loaded evenly by gravity, the hammers do the breaking, and the screen guarantees the exit size. Capacity is what keeps the chop consistent: a machine running flat out at its limit starts throwing long pieces.
That is why the biggest straw operations in Europe, the Gulf and North America run HayBusters. Most consistent particle, most tonnes per hour, from the people who have ground hay and straw for sixty years.
What are you grinding, and what has to come out the other end? We will spec the machine and the screens for it.
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