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Viewing a thread - Header cart questions. - AgTalk

Author: Joy

Aug. 04, 2025

25 0 0

Viewing a thread - Header cart questions. - AgTalk

NEILFarmer
Posted 2/22/ 20:46 (#)
Subject: Header cart questions.


Morris, IL
Couple different questions about header carts. We have a JD 922 platform listed for sale on a unverferth HT 25’ cart. Has small wheels, lights, nice shape little use. I bought a 930 flex head for . And maybe looking for an JD 893 corn head to replace our 643. So few questions.

1. Can I extent 25’ cart to 30’? Are they the same with just longer main beam, or does a 30’ cart have longer wheelbase? Maybe little heavier duty? I have never really looked closely to see how it is all built.

2. We run a yetter devastator on our 6 row corn head now. Most likely would move it over to any 8 row. What header carts work to haul a JD 893 with devastator or how all does that work? Probably not something I would do for every move but longer distance and storage might be nice. Would like to maybe use our current unverferth HT 25’ cart if possible but 893 with devastator probably lb. Guessing 922 is closer to half that.

Thanks in advance.



Edited by NEILFarmer 2/22/ 21:00


Northwest Illinois
I can't see a difference between an ht25 and ht30. To answer your question, I think adding to either end should be no issue. I run a 612 with devestators, and I picked up the head at the dealership with a new ht30 with the taller tires on it. I got it home and I couldn't raise the head high enough to clear the devestators and the pads that are mounted on the head cart. I ended up calling dealer and swapping out taller tires for the shorter ones. I also added stands that would come on a chopping head, so the head sat more flat on the cart. Being on unlevel ground makes unloading it impossible. Hopefully somebody else chimes in because I'd like to hear how others do it. The dealer set the head on the cart with a combine with metric duals. I assume it didn't squat as much as mine. I actually bought a four wheel steer cart and the dealer couldn't set the head on it so went with he lighter ht30 that is lower to he ground.

Did you replace the ?

Morris, IL
I would not say replace just yet as right now are undecided to keep it or not but added another machine for sure.

Central Illinois
I hope so. His has been treated to nice to be tortured with those heads.NEILFarmer - 2/22/ 21:37

but added another machine for sure.


O come on spill the beans. What's in the shed?

Morris, IL
Well I don’t know about that Steve she really eats beans.

Yes that is a 930 running 2.5-3mph all day. Year before ran clear up to 3.2mph.

893 would be pointless I could keep full with 4 row. It was built when 150-180 bushel was pretty good.

Edited by NEILFarmer 2/22/ 22:01




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Morris, IL
Nothing right now, will be soon. I joke, my new 20 year old combine. It is as nice as they get.

Morris, IL
So to get head on and off HT 30 you have to pin devastator up correct? I can see taller stands would help didn’t think of that. Thanks.



So. IL
NEILFarmer - 2/22/ 21:51

Nothing right now, will be soon. I joke, my new 20 year old combine. It is as nice as they get.

The was a huge improvement back in the day, just don't run a rotor or you will get the fever for one!


SW Ohio
I haul my 693 with devastators on an HT25. I cut the main frame and extended the wheelbase so that the devastators would set down between the axles. Works good unless you make a panic stop, and sometimes the head will slide forward just enough to get the devastators caught on something and you wind up lifting the whole cart. Just have to jockey around and it comes free. Also trimmed the ends of the tubes off since its only hauling a 6 row.

Northern IL
I was trading to a 30 foot header, and we just swapped out the beam.

Hazelton, Kansas
NEILFarmer,

I've been running a couple of '95 model s for over 10 years now (bot them in NWIL, actually ).

At ~E and ~S hours, I find myself getting the itch for newer machines. But s are a pretty good machine for parts availability and the "just keep fixing it" approach. I still hate the walkers and the shoe feed auger setup, though.

I put Trimpe cylinder bars in them last fall, and it made a huge difference in green stemmed beans. Also seemed to work just fine in Milo. Best thing I've done to the old beasts.

Regards.

MDS



Northwest Illinois
No I don't have to pin the devestators up. With the shorter tires and parked on level ground, it just barely works to lift head off cart so everything clears.


NE Iowa
That's what we did to our HT25 when we went to a 930 head - just added 5' to the bar. The only issue we have run into is that, assuming you roughly center the platform on the running gear, the extra 2 1/2' overhang on the front end can end up with the toungue getting mighty close (vertically ) to the lower rear edge of the platform. Dad had a weld shop build an offset into the front end of the tongue to lower it and never had another problem. Probably would be ok in most cases, but can't see it a lot of the time, so needed to make sure it never hit.

Chris



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minooka, il
Ty, i bought a 930 on auction 2 years ago that was on a 25' head carrier with 2.5' extensions welded on either end. It works fine for me. Only time i get a little cringe is when i'm pulling it through a creek crossing and when coming up the bank the tongue gets close to the front of the edge of the head. Never has hit yet though.

NE Iowa
Hard to see in this picture, but my 893 with Devastators just sits on a Westendorf running gear. Since I was making it myself, I was able to build it around the rollers.

Just a couple 5x7 recycled tubes welded to the axles. It doesn't allow for much twist on uneven ground though. Usually just leave head on combine during season.



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sw corner ia.
I have and was glad to find out I didn't need one.

Morris, IL
This machine has newer chrome bars and concave with kuchar concave parts along with about 50 other upgrades and repairs. Bit over 3k E hours. We are for sure the keep rebuilding type, it will be here a while. Last one has been here 30 years. This one left Moline for Wisconsin then ended back up few miles from factory, i’ll be third owner.

Don’t much care for rotary maybe I don’t know what i’m missing but don’t care. Thanks everyone. This picture is in classifieds it is still in his shed for bit.

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NEILFarmer
Posted 2/23/ 20:16 (# - in reply to #)
Subject: RE: Header cart questions.


Morris, IL
Jeff and Chris, I am aware of hitch even with our 922 it gets pretty close. I am surprised 30’ works now that you remind me of that, especially tight turning left if I remember right. I might be buying current owners 30’ head cart not sure yet. Would allow me to use HT25 for corn head and would make it easier as it is sitting on his cart now 125 miles away. Otherwise will probably adapt and go get it.NEILFarmer
Posted 2/23/ 20:19 (# - in reply to #)
Subject: RE: Header cart questions.


Morris, IL
Silo and deeretech, do you think you could take some close up pictures at some point? My works, no rush or anything nothing happening anytime soon. Sure like job devastator does but can see it being real pain to get on head cart. Thanks, Tywinner
Posted 2/23/ 21:18 (# - in reply to #)
Subject: RE: Header cart questions.


Northwest Illinois
Are you going to 16 row planter, strip till and side dress with the 8 row head or rtk it?NEILFarmer
Posted 2/23/ 22:02 (# - in reply to #)
Subject: RE: Header cart questions.


Morris, IL
For now just all RTK 12 row equipment.silofarms
Posted 2/24/ 08:29 (# - in reply to #)
Subject: RE: Header cart questions.

Understanding Combine Systems and Adjustments

When harvest runs smoothly, it may be one of the best parts of the growing season. However, this is rarely the case. Combines are complex machines with several interconnected systems that need to be optimized independently and adjusted for changing field and crop conditions. A skilled combine operator understands these systems and how to adjust and maintain the equipment for a successful harvest. In this blog post, we'll help you develop a better understanding of these systems to improve your skills as an operator.

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Combine Systems

Combines have five main systems - each with a unique role in the harvesting process. These systems are the front-end equipment (FEE), feeder house, thresher and separator, shoe, and residue management systems (RMS) (Figure 1). It is critical to understand the role of each of these systems, how to check them during harvest, and the adjustments that can be made to fine-tune each.

Figure 1. Internal systems of a John Deere combine.

          Front End Equipment

The role of the FEE is to cut and physically remove the crop from the field. The appropriate FEE height should be checked to ensure that grain is removed from the field while reducing the amount of other plant material that is fed into the machine. Since a wide swath of the field is being harvested at any given time, it’s important that the FEE deliver this crop to the other systems of the combine in a smooth and consistent manner.

The FEE is one of the easier systems to monitor during harvest since much of this equipment is visible while operating the combine. The FEE should be checked and calibrated prior to harvest to ensure that it’s level, belts and other components are properly tensioned, and that it reacts appropriately to changes in terrain and field conditions. The crop should move smoothly along the FEE and not bunch or build up at the feeder house. If there are any issues, start with a header calibration and check all moving parts.

One upgrade that is worth considering for corn heads are the John Deere RowMax stalk rolls. These stalk rolls offer many benefits, such as breathing new life into existing FEE, improved residue management, and longer wear life. To learn more about RowMax and how they can improve your harvest, click the button below:

    Feeder House

The feeder house is an important combine component as the way it presents the crop to the internal combine systems can have a large impact on harvest effectiveness. The feeder house speed should be adjusted to prevent buildup of crop on the FEE while also ensuring that enough crop is being passed on to the threshing and separating systems in a manner that prevents grain from ricocheting and causing grain damage.

The feeder house can wear quickly but is often overlooked during combine inspections. Before harvest, it’s important to check that the chains are tensioned correctly and that the feeder house slats are undamaged and perfectly parallel to each other to ensure effective crop transfer to the internal combine systems.

Our teams of technicians are highly skilled in combine inspections, and will inspect all combine systems and recommended needed servicing. To schedule an inspection, use our online service request form by clicking the button below:

Threshing and Separating

The threshing and separating systems are among the most complex and difficult systems to adjust on a combine but are where the magic of removing grain occurs. With how critical these steps are, it’s important to ensure that these systems are set up correctly. A properly optimized threshing and separating system involves a delicate balance between threshing clearance and threshing speed and various other adjustments that can be made such as concave selection, spacers, and covers.

To properly set up these systems, it is usually recommended to start with open threshing clearance and faster threshing speeds. Then adjust from there. For threshing clearance, it is recommended to reference thresholds for the specific crop and begin on the open end of the clearance range. Then, make incremental adjustments until all grain is removed during the threshing process while not being so tight that grain is damaged in the process.  Threshing speed can usually be set at the upper recommended values for the crop type and slowed as needed. This is due in large part to the ever-increasing performance of modern crop varieties and higher observed yields and amount of plant material that will be flowing through the combine.

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Recommended article:
Top 7 Benefits of Using a Medium Abrasion Slurry Pump
How Manual Locking Knee Joint Benefits Prosthetic Users
Top 7 Benefits of Using Plastic Ultrasonic Water Meters
How Can Upgrading Your Fiber Laser Cutting Head Improve Efficiency?

            Shoe

The shoe is where the grain is cleaned of chaff and other material, and also includes a delicate balance between components. For the shoe to work properly, sieve clearance and fan speed both need to be adjusted and monitored to ensure grain is effectively separated from other materials and moved into the grain tank.

The two most common adjustments in this area will be sieve spacing and fan speed. Sieve spacing needs to be large enough to allow grain to migrate down the various sieve layers while preventing chaff and foreign material from moving along with it. Fan speed needs to be high enough to blow out plant material while not resulting in grain loss out of the back of the combine. These can be checked by monitoring the grain tank, tailings elevator, and by performing seed count samples on the ground behind the combine.

            Residue Management

The last system of the combine is the residue management system. While not critically important to the harvest process itself, it is an agronomically important component of the combine, especially for future crops that may be planted in the field. This is especially true for reduced tillage or no-till systems, where residue can accumulate and cause issues during planting the next season.

Additionally, as front-end equipment has gotten wider, it can be challenging to get even residue distribution behind the combine. This can cause issues in all crops and tillage systems. By properly setting up and calibrating the RMS, successful residue management can be achieved. This is accomplished by properly setting the knife bank,  using John Deere’s residue package that can help compensate for wind speed and direction, and RowMax stalk rolls.

Making Adjustments

Adjusting and fine-tuning the multiple combine systems can be challenging. To help you in this process, we've put together a simple quick reference guide to get you started. This resource, in combination with other John Deere resources such as the Operator's Manual and the Equipment+ App, will allow you to properly set up your machine in the shop, in the field, or on the go.

The Equipment+ app can be downloaded onto your or tablet by scanning the following QR code:

For step-by-step instructions on how to download and use the app, check out one of our latest video on YouTube:

Want a printed document that's easy to reference and handy in the cab during the season? Complete the form below to get our free, Combine Adjustment Guide! We'll send it straight to your inbox so you can view, download, print, and add it to your cab!

Have more questions about setting up and optimizing your combine? Give us a call!

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