Round Bale Shredder in Finland

Surviving the Finnish Winter with Reliable Bale Processing

Finland has approximately 850,000 beef and dairy cattle, with most farms located in the western and northern parts of the country. The growing season for forage crops is short often only 100-120 days between the last spring frost and the first autumn frost.

Farmers in Finland rely heavily on round bales of grass silage, oat straw, and barley straw to feed their cattle through winters that can last six months or more. These bales are typically wrapped in plastic and stored outdoors, where they freeze solid when temperatures drop to -20°C or lower.

Processing frozen bales requires a shredder with exceptional torque, aggressive hammer action, and a drive system that can handle intermittent shock loads without breaking.

The Ostrobothnia farm operates approximately 280 beef cattle, primarily Hereford and Charolais crosses, plus a small cow-calf operation. The farm grows its own oats and barley on 300 hectares of owned and rented land, baling the straw after grain harvest in August and September.

The grass silage is cut from ley fields in two or three cuts during the summer, baled at 45-55% moisture, and wrapped in white plastic for fermentation. By January, these bales are frozen solid. The outer layer thaws slightly on warmer days, then refreezes, creating a layered structure that standard shredders cannot handle.

The farm manager had been searching for a round bale shredder for sale that could handle frozen material without constant breakdowns. He contacted RICHI Machinery after seeing a video of the YPPK-2600 processing frozen corn silage bales in a similar climate in Canada.

After discussing the Finnish winter conditions, the farm purchased two YPPK-2600 round bale shredders with upgraded motors and cold-weather lubrication packages. The two units allow him to process oat straw on one machine and grass silage on the other, or to keep running on one machine while performing maintenance on the other.

Machine Selection: The YPPK-2600 for Finnish Frozen Bales

The primary materials processed daily at this Finnish beef operation include:

• Frozen oat straw bales (-5°C to -25°C ambient): Oat straw has hollow stems that shatter under impact when frozen. The challenge is not cutting the straw it breaks easily but getting the bale to feed consistently. The damping plate prevents the frozen bale from bouncing away from the rotor, while the gear external chain rotary cutting pre-cracks the outer frozen layer.
• Frozen grass silage bales (-5°C to -20°C ambient): Grass silage is more problematic than straw because it contains moisture that freezes into solid ice lenses. A frozen silage bale can be as hard as a log. The carbide-tipped hammers on the YPPK-2600 are essential for chipping through the frozen material without wearing down.
• Thawed spring bales (variable moisture): In March and April, as temperatures rise above freezing, the bales become wet and sloppy. Different problem the material wants to stick to the hammers and screen. The damping plate helps propel wet material through the chamber rather than allowing it to accumulate.

The target output size is 20-40mm slightly coarser than the standard feed chop. The Finnish farm uses this coarser material for bedding and for fiber in winter rations. The frozen silage bales break into ice-coated fragments that thaw in the feed bunk, providing moisture to the cattle during winter when water sources can freeze.

The Damping Plate: Capturing Frozen Bales That Want to Bounce

Standard round bale shredders rely on the weight of the bale to feed into the rotor. When a frozen bale enters the chamber, the initial impact of the hammers often pushes the bale backward rather than tearing into it. The bale bounces, the operator pushes harder, and either the shear bolt breaks or the motor overloads.

The YPPK series bale crusher machine solves this with the damping plate installed in the crushing chamber at a critical angle relative to the rotor. Here is why it works for frozen Finnish bales:

The damping plate creates a fixed surface that the bale cannot push away from. As the rotor rotates, the hammers pull the bale down into the pinch zone between the moving hammer tips and the stationary plate. The frozen material is compressed, which causes it to fracture along natural cleavage planes. Once fractured, the individual frozen pieces are easier for the hammers to process.

For the Finnish farm, the damping plate means:

• No more frozen bales spinning in place without feeding
• Consistent throughput even when bales are frozen solid
• Reduced power spikes because the material feeds evenly

The thickened transmission chain is another critical feature for frozen bale processing. Frozen material creates higher than normal resistance, which puts stress on the drive system.

The heavy-duty chain on the YPPK-2600 has a safety factor of approximately 8:1, meaning it can handle 8 times the normal operating load before failure. The Finnish farm has not needed to adjust the chain tension in 900 hours of operation.

Hammer Technology: Chipping Through Finnish Ice

The hammers on a round bale shredder experience their worst wear when processing frozen material not because ice is hard, but because frozen material is brittle and shatters. The impact forces are higher than when processing dry material because there is no cushioning effect. Standard hammers can crack or chip under repeated high-impact loads.

The YPPK-2600 hammers are designed for impact resistance:

• Base material: 65Mn manganese steel, which has excellent toughness and can absorb impact without cracking. The hammers are quenched (heat-treated) to achieve optimal hardness while maintaining ductility.
• Wear surface: Tungsten carbide overlay welding applied to the working tips. This layer is extremely hard (65-70 HRC) but also has good adhesion properties, so it does not spall off under impact.

The Finnish farm reported that after processing over 800 frozen bales (approximately 400 tons) through the winter season, the hammers showed minimal wear. The carbide tips still had sharp edges, and none of the hammers had cracked or broken something the farm manager said would have required three sets of hammers on his old machine.

The gear external chain rotary cutting at the feed intake is particularly useful for frozen bales that have been stored outdoors. These bales often have a layer of ice on the outside from melting and refreezing. The rotary cutter breaks this ice shell before the bale reaches the hammer zone, preventing the hammers from having to impact the hard frozen surface directly.

What Happens to the Shredded Material: Finnish Winter Feeding Strategies

Once the round bale shredder reduces the material to 20-40mm, the farm uses it in three primary ways:

1. Winter rations for finishing cattle: The shredded oat straw (20-40mm) is mixed with barley grain, protein supplement, and molasses to create a high-fiber finishing ration. The coarse particle size ensures that the rumen stays active during cold weather, which helps the cattle generate metabolic heat. The frozen silage bales are shredded directly into the feed bunk, where they thaw over several hours, providing both feed and water.
2. Bedding in deep-pack barns: The farm uses a deep-bedding system where straw is added weekly and manure is cleaned out twice per year. The shredded oat straw at 30-40mm is fluffy and absorbent, keeping the cattle dry even when temperatures drop to -30°C. The farm has reduced its bedding straw consumption by approximately 25% because the shredded material fluffs up more than unprocessed bales.
3. Cow-calf bedding in calving pens: In March and April when calves are born, the farm switches to grass silage shreddings for bedding in the calving pens. The silage material is softer than straw and provides better insulation for newborn calves. The slightly fermented smell of the silage also seems to have a calming effect on the cows, the farm manager reported.

A Smart Investment for Nordic Beef Operations

The round bale shredder in Finland represented by this Ostrobothnia farm installation proves that heavy-duty Chinese equipment can perform reliably in extreme Nordic winter conditions.

The YPPK-2600 handles frozen oat straw and grass silage bales that defeat standard shredders, delivers consistent 20-40mm output suitable for both feeding and bedding, and withstands daily commercial use without excessive maintenance.

For any Finnish beef farmer, dairy operation, or custom feed processor currently struggling with frozen bales and unreliable shredding equipment, the YPPK series offers a heavy-duty, cost-effective solution.

The ability to purchase two units for the price of one European machine provides operational redundancy that can mean the difference between thriving and surviving during the long Nordic winter.

Contact RICHI Machinery directly for a site assessment, to request cold-weather hammer samples for hardness testing, or to arrange a visit to a working installation in Finland.

The return on investment is clear: reliable winter feeding, lower bedding costs, improved cattle health, and machines built to last through many Finnish winters.