Key Questions to Ask When Ordering rotary corn headers manufacturer

The 18 foot SR and 20 foot SR were by far the most popular models built. The machine was designed for use in both wheat and rice. The cross sectional diagram below shows that the rotor feeds the crop back onto draper belts which then feed the material back to an uncovered auger.
The SR was a very successful model and most of the original machines are still in the field today. A strong demand for a wider machine as well as customer concerns over the durability of the draper belts (mostly due to rodent damage incurred over the winter) meant that the SR range was discontinued in .

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The RX was introduced as a dedicated rice header. A steel shaker pan replaced the conveyor belts as a means of transferring the wet heavy rice material from the stripping rotor to the auger. This design proved very successful and durable. Rice Special models featured many stainless and hardened steel components to extend their life expectancy and reduce the long term operating costs of the header. Stainless steel stripping fingers were fitted in , these doubled the finger life expectancy as well as providing advantages in stripping performance.
The RX was produced until by which time it had gained a reputation as the header of choice if you were serious about harvesting rice.

The CX range was released in and was Shelbourne Reynolds first machine aimed at the US prairie wheat farmer. The CX84 (28 foot wide) machine was by far the most popular. The design was shortened from the SR and the rotor placed closer to the auger trough. Crop was moved directly from the rotor to the auger. This design worked very well in dry standing crop conditions although it had limitations when things became lodged damp or tough. These machines had the same gearbox drive as the SR range. Stainless steel "Seed Saver" stripping fingers were introduced in and were a major breakthrough in stripping tougher threshing wheat and durum varieties. When fitted with the cups orientated upwards the seed saver fingers enabled previously un-strippable varieties to be stripped with decreased loss.
The seed saver fingers can be fitted to any of the CX and RX models
The CX range was updated and improved annually until pressure for a variable speed rotor drive, still wider widths and better performance in tough conditions brought its production run to an end in

In after many years of testing and product development it was decided that both rice and cereals could be harvested with the same frame design with just relatively small design differences between ranges. The auger and rotor are placed closer together and grain is moved directly from the rotor to the auger. The deeper flighted larger diameter auger is able to handle more straw than before, this coupled with a larger shear bolt gives both these machines a significant advantage when harvesting lodged crops. A new variable speed drive system was developed which enables the operator to make rotor speed adjustments from the cab.

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Extensive field testing proved that a deeper flighted auger sitting in a trough will feed better than a smaller one sitting on a flat pan. It is with this theory in mind the RX shaker pan machine was discontinued in favor of the direct feeding RVS header, this allowed the use of a common main frame with the CVS.
The Variable speed drive system was also introduced from the CVS model which allowed the operator to make rotor speed adjustments from the cab.
The RVS range features more stainless steel than on previous rice special models. The crop deflector, top hood and floor are stainless and the auger flighting and retractable auger fingers are made from hardened steel.

Larger capacity combines and larger scale farming prompted the development of the XCV range. The initial model was the XCV 42, this was then followed in with the XCV32 and XCV36.
The new machine incorporates 3 stripping rotors with two equally spaced division plates. A two piece auger is used with a central joint.
New features include a spring loaded pivoting adaptor plate and gauge wheels. All XCV machines are centre mounted on the combine feeder house.

Huntley Montana

All rotary heads "feather" the stalks for a reason ,  STUBBLE DAMAGE to TIRES .  With the "new improved standabilty " of the corn comes a price, you have a stalk that can cut tires easy. 

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Jadela - 2/15/ 22:55 Wow, lots of replies! It seems inevitable that any discussion of pull type choppers eventually turns into a discussion of self-propelleds. I didn't tell the whole story previously. In we planted about half our corn on 15" rows, just experimenting, and hired "Local Custom Operator A" (who owned the planter ) to chop it, after the neighbors chopped all our wide row with the FP230 which we now have, but rarely use. More in that in a bit. Anyway, "Custom A" ran a Deere with small drum 6 row and did a good job. In we planted it all on 15" and "A" once again chopped it, with his older Deere and small drum 6 row. (Overkill. 540hp on 6 rows in non irrigated corn?! He kept plugging the head due to excessive ground speed. ) In and '11 we went back to wide rows and the neighbors chopped it all with the FP230. In , after we got our new planter that spring, the neighbors chopped about half and "Local Custom Operator B" finished up with his Claas 850 and old pre-Orbis large drum 6 row. He also chopped all our haylage and barley silage that spring, all with a pickup (the barley was swathed by a MacDon-built Deere 590 he had hired ). In , "B" was back with 2 different 850s, chopping haylage again with his pickup and direct cutting barley with a disc head. He started in corn with his 6row and finishing up late corn with a borrowed 8row machine. In , we changed course again. "B" was (and still is, to this day ) chopping all over the place, in other states even, and getting him there when the crop was ready was getting impossibly difficult, so we switched to "Local Custom Operator C" who rolled in, wiped out our barley with a Deere with 8 row small drum, and returned to chop all our corn, on time, for the first time in, like, almost 10 years! Next year "C" was back, with a Deere and pickup in rye, and 8 row small drum again for barley. This was the first year we chopped our own corn after buying the FP230 off the neighbors in the spring. In "A" was back and chopped our rye with a Deere , then came back for barley with the same rig. In we chopped our rye but "C" came in with his brand-spanking-new Deere and 10 row small drum to chop barley. In we again chopped rye, but "B" chopped our barley with a Claas 890 and disc head, with his new Fendt tractors spinning through the mud, because... surprise surprise, he couldn't get there when the crop was ready, and then it rained a bunch. And the barley almost dried up. It was just about a worst-case scenario, and it's why I don't like dealing with custom operators. Last year was a repeat. "A" was back with his old again in barley, but only after squandering an entire week of perfect weather, followed by rain, and of course they finally got serious about getting the equipment operable from the previous season about the time it started raining. They didn't rut anything, but I have never witnessed hard surface compaction like that before. We couldn't plant beans into their tracks until it rained again. I mention all this just to demonstrate that we have witnessed many different machines and heads operating in many different crops and conditions. They all did a good job, with very few breakdowns, but getting them there on time was and is almost always a headache. And dad always pays, so that isn't an issue! I didn't mention that when we do our own chopping (everything except barley currently, and hopefully we can do that this year too ) we pull a UFT dump wagon, haul with trucks, and store most of our silage in a pair of bunker silos, with the remainder going in a bag or bags depending on how much we chop and how much haylage we have on hand. Fields range in size from 1 to 35 acres, with some smooth bottom lands, some steep rolling hills, and some gently rolling upland hills and ridges. Most field shapes are rather irregular. @Streetfarmer -- I hear you about the ! Those things (and the similar Deere from that time ) were behemoths! I think they'd still do the trick, if you could find a good one (and parts ). And I agree regarding older SP choppers. When they break down, repair bills can be atrocious. Which leads to: @paul m -- Yes, going from 120hp to 290hp was a monumental step up in capacity, regardless of chopper or head configuration. We pretty much doubled our capacity, while not working the tractor anywhere near as hard. I went from consistently chopping a load in 10 minutes to consistently chopping a load in 4 minutes with the new rig. The dump wagon is the limiting factor, but I can raise, dump, and lower in a minute easily. Which leads right into the next question: why not a good used SP? Well, I looked long and hard at them for a few years, but for me it comes down to two things: first of all, a SPFH is a very versatile machine for chopping all sorts of things and... pretty much nothing else. It would sit in the shed for 11.5 months of the year. Sure, the pull-type does that too, but for $85.5k I have a new chopper, new corn head, and new pickup head, all under warranty. That won't touch any used SPFH in this part of the world with both heads unless they have an immense amount of use on them. And immense use too often works out to pricey breakdowns. Plus, we don't have the labor or trucks to chop and haul with a SPFH. When the custom guys chopped, they supplied 2-3 trucks with drivers, and all we had to do was pack with several tractors. If we bought a SPFH we'd have to have several more trucks, since ours are smaller, and several people to help us run it all. Currently I chop, dad packs, the retired neighbor we got the FP230 from hauls, and one of a few different people also hauls as it works out. Often one of them helps pack too, so we have 2-3 people helping us which would only be possible with a SPFH if we got substantially larger trucks. Plus, if we got a SPFH I wouldn't be able to pull the gallon triaxle Jamesway manure tanker that I bought last summer, since the T8.390 is our only tractor that will pull it! @Dennis SEND -- I like the looks of all the new Dion choppers, including the "green machine" which is basically a recolored version of the Scorpion 300 with a different cutterhead. I understand the cutterhead is based on a Deere SPFH cutterhead, rather than an actual copy. (I think Deere mounts their knives straight, but the Dion's are slightly angled. But there's no mistaking that it represents a Deere DuraDrum. ) That "10' Dion header" is the same thing I have, just painted different colors. And yes, a stock is a bit light on power for that combination! Let's see, 210 on the PTO is only 52.5 hp per row on a 4 row head - yikes! Of course it will pull it, albeit slowly, but he could probably chip it easily enough. As for the Dion feedrolls, the retired F41 chopper definitely had straight teeth like the New Hollands, and I'm almost certain that they reused the feedrolls, shearbar, and cutterhead from the F41 in both the Scorpion 300 and 350. I have seen pics of both, and as I recall there was no spiral tooth pattern to be found. Of course, the chop quality issue wouldn't be as big of an issue with an 8- or 12-knife head (vs 6 ) and would probably barely be noticeably at all on the Scorpion 350, with hydraulically driven feedrolls and infinitely variable chop lengths from minimum all the way to 24mm! @standahl -- I have only ever seen Horning processors, and not the rotary heads, but I have seen clips of them running and I've studied the design in photos. They look like a good head, and if they made one any bigger, that's what I would have bought. The main reason to use any rotary on a pull type is for wide or narrow rows like your 20s. As for wear, I can only assume it would be more uneven than a conventional head based on the throat design of the head being so similar to the Dion. But in greener corn and shorter chop lengths, especially with a full set of knives, it's certainly tolerable. Our biggest issue was chopping really long in really dry corn for the neighbor, per his requirements, but when we remounted the other 6 knives it wasn't bad. Not perfect, but not bad. @HOLYCOW -- Those s and s always looked like nice machines. The first SPFH I ever saw run was a in or '98 when I was in 7th or 8th grade. As for chop quality, overall we're reasonably happy with the Dion head running a full set of knives, and much happier than we were waiting weeks in scorching hot dry weather for a custom operator, like the in '09. Our corn tested in the low 50s moisture that year, and has been too dry for way too many years when we relied on custom guys, which is why we're determined to do all we can by ourselves. Then if we screw up, it's our own fault! @JD -- Wha... Imagine that! I've lived my entire life within 5 minutes of Homestead Creamery and Burnt Chimney, the raging metropolis with more gas stations (2 ) than stoplights (1 ). Do you come in I-81 to I-581 to 220 to Wirtz Rd to 122, or some other way? Tell me you haven't been over 116 on a truck -- well, at least not since they closed it to through trucks after that formaldehyde tanker went off the mountain in summer ! Actually... one of the founding farms of the creamery is owned by a very close relative of mine, and the other founding farm is owned by distant cousins, about a mile from us as the crow flies. And a third farm that ships milk there is owned by close family "on the other side." But our milk all goes to Maryland & Virginia Milk Producers Association, and probably will continue to be marketed by them, until they (probably ) go under in the next few years... I hear the creamery is shuttering the Jersey farm next month. Too bad, but the one boy felt the urge to jump jobs again. He's running cranes now. I even chopped several acres for them with my rig (and their identical dumpwagon ) last year when their JD pull type chopper was eating feedroll bearings in rapid succession. They demo'd a used Deere SPFH a few years ago but went scurrying back to their pull type when the 's hydraulic pump disintegrated and damaged a bunch of components, to the tune of a $20k repair. And you're absolutely right about NH vs Deere heads. Our 824 NH had to be right on the row only because we were chopping twins, but in single rows you could wander around everywhere and it would cut clean. All the local Deere guys say otherwise about their heads. @NoTill -- Farm equipment show - in Indy? I went there exactly 10 years ago. Huge place! The Horning 2 row should absolutely cut a corn/sorghum mix, or any mix of thick stalky crops for that matter. Their 3 row requires a different drive sprocket to increase drum and knife speed to cut dough stage grains, and I assume the same is true for the 2 row. @bsfarms -- Both the FP240 and 3PN are good machines. You got a new SPFH? Nice. If you don't mind me asking, what did you get? And you're right about the NH heads laying the stalks over but still being able to cut them off, thanks to those interference fit self sharpening discs. Our 824 would do the same thing on twin rows if I wandered off course at all. The Dion, on the other hand, doesn't slice clean through anything, and by design at that. The knives are about 1/8" thick with blunt edges and carbide inserts, spinning much, much faster than the drums, or any other rotary cutoff knife for that matter, and rather than slicing cleanly through the stalk, they bust their way through, shattering the top of the stubble for faster decomposition (and throwing little pieces of stalk everywhere! ) They make a whirring noise that is kinda odd in the tractor cab, especially in dryer corn with dropped lower leaves. We did chop one field with the FP230 last year. The metal detector electronic processor in the lower front feedroll of the FP240 went bad, and our dealer rushed to replace it near the very end of the warranty, so while it was down we filled a heifer silo with the ol' 2 row. I never saw more than 60% power on the T8.390 display, and it would read low 30s going downhill. If I tried to push it at all (more than 4.7 mph or so ) the head would plug up, but still, I could chop a load in about 7 minutes -- much better than the M, and with the tractor barely breathing hard. Well that's all for now. I'll check back tomorrow.