Disc mower curtain material. Case IH MD92 (HD) Rotary Disc Mower

Case IH MD92 (HD) Rotary Disc Mower

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Overview

MD92 rotary disc mower has an 9 ft 2 in cutting width, 7 oval cutting discs and cutterbar shock protection is standard.

HEAVY-DUTY FEATURES

Heavy-Duty MD72, MD82 and MD92

Cutterbar shock protection standard Handles most any crop condition, from wet field to downed crops Built with heat-treated components to stand up to extreme conditions Uses a close-coupled design for maximum ride stability, especially in tight turns

Modular Cutterbar

Results in superior crop flow that reduces streaking Ensures quick mowing Heavy-duty frame and rugged canopy use a cantilevered design for smooth crop flow across cutterbar

Smooth-Profile Discs

Lift crop into the cutting zone for plug-free mowing, provides a consistent swath for more even drying Each disc is 3/16-in. (4.8-mm)-thick and heat treated to resist damage Discs are shielded by 1/4-in. (6.4-mm)-thick by 8-in. (203-mm)-wide skid shoes.The shape of skid shoes work with the tilt of the cutterbar to provide a wide range of mowing heights The gearbox oil in modular cutting discs performs up to 200 hours between changes.

Rotating Modular Knife Blades

A rotating modular knife blade provides thorough and uniform crop cutting.

Each disc houses two knife blades Blades rotate at 3,000 rpm Disc hardware is specially designed and treated for extreme durability to resist abrasive conditions

Independent, sealed and self-contained modules resist damage.

Short, independent splined driveshaft sections link modules Shafts are made from alloy steel with roll-formed splines for strength and are hardened for added durability

MD72, MD82 and MD92 — engineered for ease of maintenance

Reversible knife blades change quickly without raising the cutterbed Knife bolts are located on top of the modular discs for easy access Discs can be in any position when performing maintenance If an object is struck during operation, a spring-loaded cutterbed breakaway latch releases Greasable, sintered bushings ensure the cutterbar releases fully when the breakaway latch is activated A heavy-duty, puncture-resistant curtain provides protection for operator and bystanders A polyester-vinyl curtain tilts the crop forward for better flow across the cutterbar High-stress components are protected from debris by T-seal washers and lip seals

Hassle-Free Transport

When in the transport position, the MD72, MD82 and MD92 become compact packages with ride stability and plenty of ground clearance.

The cutterbar transport lock automatically engages for a secure hold The cutterbar is spring-balanced from end to end: allows the mower to glide over uneven terrain smoothly and can be adjusted for all conditions. The V-belt tension spring has an easily visible indicator for quick inspection of belt tension: changing belt tension is convenient with single-point adjustment and no shields to remove. A tethered pin activates the flotation spring for cutting and is repositioned when using the parking stand

Specifications

Transport height is based on 18-inch (457 mm) hitch-pin height above ground on MD82 and MD92 models

R280

The enclosed and fully welded cutterbar meets the highest quality standards and operates dependably and leak-free over many years of hard work. Massive and oil-immersed spur gears impress by very quiet and reliable running in sustained peak-load operation.

The wedge-shaped cutterbar offers many height setting options. The spur gears run in massive double bearings, allowing the cutterbar to handle extremely high loads.

The established satellite drives were developed by KRONE and have proven extremely well all over the world for as many as 30 years now.Its massive spur gears with up to 59 teeth transmit the drive power down to the very last disc. The large-diameter gears rotate at reduced speeds, with a higher number of teeth meshing with the neighbouring gearwheels for even quieter running, ultimate efficiency and maximum longevity. The auxiliary gears drive one disc each and as a result are exposed to only minimum loading.

The cutterbar is driven by the right-angle gearbox just behind the inner top hat – for blockage-free operation on headlands and in awkward patches.

SmartCut

With some discs turning in pairs towards each other and others turning away from each other, it was necessary to redesign the degree of blade overlap to ensure cleanest cuts. For stripeless cuts in light and young crops, we have therefore increased blade overlaps on the discs turning outwards. In addition, the blades turning to the rear are set further apart to encourage a smooth flow of large volumes of crop.

We welded curved stops between the individual skids that protect the cutterbar from damage and also contoured the underside of the stops in such a way that no material can build up here and instead flows smoothly to the rear.

Perfect in every detail

There are many reasons for choosing an ActiveMow disc mower. Just think of the quickchange blades, the inexpensive wear parts and the perfect disc arrangement for stripeless cuts.

Quick-change blades are considered a must by many farmers and contractors. The blades are quick and easy to reverse or replace in situ.

Spare blades are neatly stored in this mobile drawer.

The curtain folds up for cleaning and replacing the blades – a compact design that offers superb accessibility.

AM – the working formula

The side-mounted linkage is compact, low in weight and gives the mower large up/down travel. The ActiveMow mowers follow any ground contours and have proven absolutely well in mountain applications.

The sturdy three-point headstock features a bracket to store the driveshaft after the machine is removed from the tractor.

Drive power flows through a frictional driveline of pto shafts and gears for maximum effciency even in diffcult conditions.

Optimum ground pressure from 2.05 m to 3,61 m

Manually adjusted, the ActiveMow suspension springs rapidly adapt the ground pressure for the machine to produce perfect cuts in undulating terrain and at high work rates and as a result of this clean and high-quality forage as well as a fast and uniform re-growth.

• The low-deadweight ActiveMow R 200 has only one coil spring that provides infinitely variable adjustment.
• The ActiveMow R 240 has two coil springs that are adjusted without tools. The inboard spring is adjusted on a spindle, the outboard spring by refitting a pin.
• ActiveMow R 280, R 320 and R 360 have three adjustable coil springs – one that adjusts the inboard arm and two that control the outboard arm.

Practical and well designed

Stands are available as an option to store the machine either in work or transport position and save space in the machine shed during winter storage. The side guard folds automatically when ActiveMow moves into transport or park position, thereby reducing the machine’s height.

For convenient attachment/removal of the machine, release the spring tension simply by operating the latch on each spring. Such latches are specified on the ActiveMow R 240, R 280, R 320 and R 360 models where they eliminate the need for unhooking the coils.

To get ready for transport, ActiveMow folds into a 100° angle position behind the tractor. Taking weight off the right wheel, it increases the road stability of the combination. The operator enjoys an unobstructed rear view in the mirror.

Windrowing or spreading

The eccentric bearings are positioned in such a way that the discs feed the material to the middle of the machine for the tractor to straddle it. With discs spinning in the A sense of rotation, ActiveMow R 200, R 240, R 280 and R 320 form one single swath whereas the ActiveMow R 360 forms two swaths with its discs also spinning in the A sense of rotation.

Swathing is the preferred option in wet and boggy terrain so the tractor wheels will not run on the crop for loss-free pick-up or tedding.

With discs spinning in the B sense of rotation, ActiveMow spreads the material across the full cutting width. Here the discs turn in pairs towards each other.

Spreading the material across the full machine width instead of swathing, it exposes a larger surface to the sun and wind for boosted and more uniform wilting.

QuickChange

Replacing blades with the help of air

• Fastest blade changes on KRONE ActiveMow and EasyCut disc mowers and the SP BiG M mower conditioner
• Easy, fatigue-free and convenient blade changes
• Ideal for applications that require frequent blade changes

It‘s easy: Place the QuickChange claw spacer in the space between the disc with blade retaining pin and the blade carrier.

Operate the lever, applying air to the claws and pressing down the blade carrier.

The blade retaining pin is now exposed and you can remove, replace or reverse the blade. It‘s safe, simple and fast.

Position the new or reversed blade under the retaining pin and operate the lever again.

This removes the air and releases the claws, which in turn releases the knife carrier so this jacks up, locking home the blade retaining pin.

The new blade is now secured in position.

On-site use: Provided the tractor is equipped with an air compressor, QuickChange is easily used in the field.

Disclaimer Price, payments and models featured throughout may vary by dealer. Some restrictions apply. Offers are subject to change, cancellation or extension at any time without notice or obligation. For all offers: taxes, applicable fees (including, but not limited to, governmental environmental fees, administration fees, set-up fees, dealer fees, and delivery fees), insurance and registration are extra. Specifications, features, illustrations and equipment shown online are based on the latest available information at the time of publication. Although descriptions are believed to be correct, accuracy cannot be guaranteed. We reserve the right to make changes at any time without notice or obligation, specifications, accessories, materials, models, prices, payments, and other information.

F310R Front Mount Mower-Conditioner

8R Tractor front hitch

The F310R and F350R Front-Mounted Mower-Conditioners are used to maximize the potential of the 7R or 8R Tractor equipped with a front power take-off (PTO) and front hitch. This 1000-rpm mower-conditioner can be combined with the following 1000 rpm mower-conditioners to increase productivity:

• Side-pull mower-conditioner
• Center-pivot mower-conditioner
• Twin rear-mounted mower-conditioner

Unmatched productivity is gained with cutting widths up to 9.9 m (32.5 ft) in one pass along with a narrow transport width.

The A-frame adapter enables quick and easy installation of the F310R or F350R Front-Mounted Mower-Conditioners. The adapter attaches to the tractor’s front 3-point hitch and locks into the mating headstock that is part of the mower-conditioner.

• Enables easy attaching/detaching of front-mounted mower-conditioner
• Mounting position of headstock is adjustable to assure proper clearance for the forming shields

Down stop chains are include for use with tractors, such as the 8R, without front hitch position sensing. A front chain support kit (RE327692) is required to connect the down stop chains on an 8R Tractor.

The 7R Tractors are equipped with position sensing that has the ability to establish front hitch set points from the CommandCenter™ controls. Position sensing will maintain the height of the hitch arms based on the set point.

The front chain support kit (RE327692) is not required for 7R Tractors, but damage to the front PTO driveshaft can occur if the front hitch positioning is not set correctly, or if the set point is manually overridden.

Hydraulic cylinders are used to raise and lower the cutting platform when crossing headlands.

• Front tractor hitch is not used to raise and lower the cutting platform
• Uses single-acting selective control valve (SCV) to raise platform.
• Lift cylinder operation must be independent of the front hitch operation.

High-speed rotary disc cutterbar for cutting in tough conditions

The 3.5-m (11.5-ft) wide cutterbar

Quick-change knives (QCK) technology

Large farms, machinery rings and contractors need high quality output, and ease of serviceability.

• The cutterbars are fast mowing, with high quality work and reliable set-up.
• Each disc is protected against heavy shocks with a shear point located on the disc drive.
• All modules and intermediate gears are quickly and easily interchangeable.

To meet high quality output, the cutterbar is an oil-immersed, gear-driven cutting bed.

• All discs are offering an orbital cutting diameter of 440 mm (17.3 in.).
• With seven discs, the cutting width will be 3.1 m (10.2 ft). With eight discs, the cutting width will be 3.5 m (11.5 ft).
• Disc speeds are 2986 rpm.

To meet serviceability, the cutting bed is lubricated for life:

• No oil changes necessary.
• Discs are fitted with quick change knives technology.
• Cutting height is from 35 to 85 mm (1.4 to 3.3 in.).

Time needed to change a knife is below 15 seconds. It is an efficient way to gain up to 30 minutes of maintenance time on the mower conditioners.

Turnbuckle adjustment

Cutting height is adjusted by changing the turnbuckle on the front hitch. Cutting range is from 35 mm to 85 mm (1.4 in. to 3.3 in.).

Conditioning and swath delivery

Impeller Style Conditioning

Pivoting steel fingers for perfect conditioning in all crops

Producers need to be reactive to weather conditions when harvest is ready. They must cut faster, with efficient conditioning using swathing or wide spread.

• The steel fingers provide the right impact on the plant to remove the waxy coat.
• The R870R is equipped with four V-shaped tines in on both sides of the conditioner and 76 straights.
• The R950R and R990R are equipped with four V-shaped tines in on both sides of the conditioner and 100 straights.
• This accelerates the drying process while requiring little maintenance.
• Two conditioning positions are available at 755 or 1000 rpm.
• Speed change is done by a simple selector on the gear box.

The desired swath size can easily be obtained with adjustable swath deflectors:

• From 1.2 to 2.0 m (3.9 ft-6.6 ft) on the F310R and F350R
• From 1.45 to 2.40 m (4.7 to 7.9 ft) on the R870R
• From 1.85 to 2.40 m (6.1 to 7.9 ft) on the R950R and R990R
• Wide spread is available on all machines when very fast drying is required

Proper conditioning in a wide range of crops can be achieved when the conditioner is properly adjusted.

The impeller conditioner works well in legumes, especially alfalfa and most all-grass crops. Impeller conditioners are not recommended for thick-stemmed or cane-type crops, such as sudan or sudex, or crops more than 1.5-m (5-ft) tall.

How an impeller conditioner works:

Impeller conditioning

• As hay is cut by rotating knives, tines (2) pick up the plants and carry them through the machine. Tines are free swinging to reduce damage to the conditioner if rocks or other solid objects are struck.
• As the plant passes through, it rubs against the conditioning hood (1) and other plants. Scuffing action removes the waxy surface from the stem of the plant to allow faster evaporation of moisture.
• The pivot point for the conditioning hood is also adjustable to provide a wider range of conditioning intensity.

Adjusting impeller speed

The speed at which the tines rotate will also affect the degree of conditioning. Two impeller speeds can be achieved by simply moving the lever from 755 to 1000 rpm.

Square Flex Conditioning

Square Flex conditioning rolls are ideal for alfalfa, but also for heavy forage like sorghum or grasses such as oats or sudan grass. The large diameter (24 cm) provides a good throughput capacity and ensures a smooth material flow without material sticking to the rolls.

Conditioning pressure can be adjusted up to 336 lb/ft by rotating a central adjusting screw placed on the torsion bars. This provides a wide range for conditioning pressure

The double animated rolls are directly driven by maintenance free double transmissions. This allows for synchronization between the two rolls to never need adjustment.

Square Flex conditioning rolls are only available on the F350R, and the R990R.

Windrowing solutions to match any needs

Windrow to match needs

The available room for a windrow is a function of wheel spacing and tire width. The windrow width of the F310R and F350R Front-Mounted Mower-Conditioners may be narrower than the windrows from a twin rear-mounted mower-conditioner if the forming shields are adjusted so the tractor does not drive on the windrow that is produced.

Front-mounted mower-conditioner windrow formation

Adjustable forming shields

Front mower-conditioner adjustment

The desired swath width can easily be obtained by loosening the handle on each side and moving the adjustable swath deflectors to the desired position. Swath width is adjustable from 1.2 to 2.4 m (3.9 to 7.9 ft) on the F310R and F350R Front-Mounted Mower-Conditioners.

Rear-mount mower-conditioner windrow formation

Windrow forming shields (rear curtain raised for visibility)

Adjustment handle

Forming shields are easily adjusted to control material flow. This allows the operator to match the windrow width to harvesting requirements.

The forming shields are easily adjusted to match harvest requirements. No tools are required to adjust the forming shields. Windrow width for the R870R, R950R, and R990R on each unit can be adjusted from 1.3 to 3.2 m (4.3 ft. to 10.5 ft).

Wood Chipper Vs Shredder: Which Is Better

Wood chippers and wood shredders are large but portable, effective outdoor power equipment specifically designed to reduce the bulk of wood waste to make their disposal easier. Many people will agree that dead tree trunks and branches end up being burdensome to homeowners and worksites, acting as obstacles that give no benefit whatsoever to the land they sit upon.

Wood chipper vs shredder, which is better:

A wood chipper and a shredder look similar but have slightly different use cases. A wood chipper can handle larger branches and pieces of wood and break them down into smaller chips. On the other hand, a wood shredder uses blunt edges to crush or pull apart the material, leaving it in a state where it is ready for composting. A shredder is typically used to break down soft and small materials, such as leaves and other garden debris, while chippers can handle large and whole materials.

Do you want to know the difference between a wood chipper and a shredder? Do you wish to know which of them is better for you? In this article, I will try to answer those questions and describe the major differences between these two tools, their unique functions, and which is better.

Wood Chippers and Shredders

Although a wood chipper and shredder may seem quite similar, there are several differences between a wood chipper and a wood shredder. Understanding these differences is an important step when making a purchase. These tools are similar in appearance and purpose and may even be easily confused if one is not careful.

This is where wood chippers and shredders come into the picture. They cut or reduce them into chips, providing enough mulch for your garden, a soft surface for your playground’s floor, or even a renewable energy source.

These tools are not only useful to gardeners. Still, they are also needed by landscapers and arborists, especially in areas where garden waste disposal by land-filling or burning is illegal. The output from wood chippers and shredders can be useful for many reasons, including paving walkways, lining flowerbeds, and more.

How Do Wood Chippers and Shredder Works?

Wood Chipper

A wood chipper is a large outdoor power tool whose main purpose is to reduce wood material, such as tree branches, trunks, stumps, or sticks, into smaller and more manageable wood chips. These tools are usually portable, mounted on wheels and frames suitable for towing behind a truck or van.

Their features include a large hopper where the wood is fed into, a long chute that serves as a disposal part to eject the chips, and their major source of power, a gas engine. Located inside this machine is a large flywheel with a blade or blades attached to one side. This wheel spins at high speed and cuts the wood into smaller chips. Those chips are then ejected from the machine through the chute.

The main purpose of wood chippers as a machine is to chip wood or, more eloquently put, to convert large chunks of wood into smaller, refined wood chips. It may be hard for some to believe, but this machine is not filled with tiny lumberjacks the internal region of the machine is stacked with more sophisticated technology. This equipment has several parts and features, including the hopper, chipper, collar, chute, and collection bin.

Like any standard high-powered tool (like the chainsaw or snow blower), this piece of equipment has an engine powered either by electricity or fossil fuels. It is connected to the blades through pulleys and v-belts, often controlled by a gearbox. All these systems operate together to pull the blades together with the pulley at a speed set by the internal gears.

The blades inside the chipper work either on separate shafts or intermesh, providing different speeds and chipping precision. The chunks of wood are then spread between two chutes, one shredding them into chips and off into the collection bucket, and the other, equipped with additional tools, mulching other alternative materials (such as leaves). The mulching chute is usually the larger one between the two.

Certain industrial wood chippers have layers of curtain chains attached internally to the machine that strips the bark off of the wood passing through.

Shredder

At first glance, wood shredders may look like the smaller version of wood chippers, only with a few physical differences. Wood shredders have a chute through which the wood materials are fed and an opening where the material is to be ejected. Internally, wood shredders have slightly blunt blades called flails, which break down or reduce small chunks of organic material.

There are some apparent things you will notice in wood shredders, one of which is that they have two hoppers instead of one and do not have that long ejection chute like the wood chipper. Wood shredders operate in ways similar to a weed whacker, only that the strings are placed vertically and attached to a central drum.

The weed whacker is usually only made for soft materials and leaves and is often referred to as a “mulch” or “compost” shredder. This is because they cannot handle any hard material of any kind. Hence they are not considered wood shredders.

That being said, the internal arrangement of a wood shredder is not very different than that of the wood chipper. Like the wood chipper, there is a flywheel with blades attached to one side for chipping purposes.

However, the only difference is that there are sets of dull blades or hammers called flails located on the opposite side of the flywheel, which is used to destroy or reduce soft organic material such as leaves, twigs, etc. The wood chips are then ejected through the machine’s bottom or side.

Another unique feature of wood shredders is that they can choose what size the output should be. This set of still blades mashes and shreds the wood material, producing smaller pieces that can then be composted or used as mulch.

However, wood shredders cannot handle larger branches, and this is due to the small engine size and the fact that the flail is blunt. These tools can easily be pushed around on properties and stored away easily when not in use. The shredded end products can be transformed from unwanted yard waste into valuable mulch used in garden beds or compost.

Wood Chipper vs. Shredders: Which is Better?

Although a lot of people tend to confuse these two, chipping and shredding of wood material are two entirely different concepts. The main difference between the wood chipper and shredder is how they break down or reduce natural material. A wood chipper is specially designed to handle larger branches or pieces of wood and break them down into smaller chips.

On the other hand, a wood shredder uses blunt edges to crush or pull apart the material, leaving it in a state where it is ready for composting. Although many people like to use these terms interchangeably, the shredder is typically used to break down soft and small materials such as leaves and other forms of debris. At the same time, chippers can handle large and whole materials.

Shredders will eliminate the need to burn, landfill, stack, or break waste materials. All you need to do is feed them into the chute and wait for the large piles of branches to be broken down into small mounds of useful mulch. You can watch about 12 bags of garden debris reduced into a bag of useful mulch. The wood chipper produces uniformly sized wood chips, and the wood shredder produces nutrient-rich mulch.

Below is a major comparison of some of their features:

The Engine Type

Two essential engine types are commonly used in wood chippers and shredders. These are electric engines and gas-powered engines. Both engines have their pros and cons. However, if you’re looking for one that is inexpensive and easier to maintain, then the wise option would be the electric motor shredder machine.

On the other hand, gas-powered engines are best for industrial and commercial uses since they require large storage spaces and are well-constructed.

Number of Blades

The blades determine the level to which the material is reduced and are the most essential part of the machine. The greater the number of blades, the finer the particles of the end products and vice versa.

Since wood chippers have more blades than the shredder, they are more likely to be used in handling bulkier waste.

Vacuum Attachments

Although both are accessible in wood shredders and chippers, shredders have more added vacuums as they help reduce the process’s consumption time, which can go a long way.

Final remarks

The type of equipment you want to go with or purchase greatly depends on the type of work you need them for. If you have a lot of large branches or waste to deal with, and gardening and composting are not your things, then a wood chipper would be your best bet.

If you are dealing with fewer materials and require tree mulch for gardening, you may want to consider a shredder instead. We hope that this piece has been helpful. Good luck!