9ZR Corn Stalk Silage Chopper Machine | 9ZR Series Straw Shredder & Silage Maker
| Brand | Taizy Machinery |
| Model | 9ZR |
| Power | 3–11 kW |
| Capacity | 2.5–8 tons/hour |
| Machine Size | 1,350×490×750 mm to 3,400×830×1,200 mm |
| Machine Weight | 67–320 kg |
| Available Types | Standard type, split type, 3-in-1 integrated type |
| Applications | Corn stalks, wheat straw, rice straw, grass, silage forage, and other agricultural residues |
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The corn stalk silage chopper machine (9ZR series) is a purpose-built agricultural processing unit engineered to transform raw crop residues—corn stalks, wheat straw, rice straw, and various grasses—into soft, silk-like forage that livestock readily consume. Combining chopping and shredding functions in a single unit, this machine eliminates the need for separate equipment, delivering processed feed ready for direct feeding, silage fermentation, or commercial forage sales.
Operating on a stable horizontal drum mechanism, the straw shredder machine produces consistent silk-shaped forage with adjustable cutting lengths and final strand width under 5mm. This fine processing dramatically improves palatability for cattle and sheep, increasing feed intake rates by up to 30% compared to raw unprocessed stalks.
With production capacity spanning 2.5 to 8 tons per hour across the 9ZR model range, this equipment serves individual farmers managing small herds, mid-scale cattle operations, and commercial forage processing facilities alike. Multiple power options—including electric motor, diesel engine, and gasoline engine configurations—ensure operation in any environment, from grid-connected farms to remote grazing areas.
Note before reading: If you are interested in the machine featured in this article, please click the three contact options on the right-hand pop-up window to get in touch with us. We will provide you with a quotation within 24 hours.
Technical Specifications
| Model | Power | Capacity | Dimensions (L×W×H) | Weight |
|---|---|---|---|---|
| 9ZR-2.5T | 4.5kW (2-phase) / 3kW (3-phase) | 2,500 kg/h | 1,350×490×750 mm | 67 kg |
| 9ZR-3.8A | 4.5kW (2-phase) / 3kW (3-phase) | 3,800 kg/h | 1,650×550×900 mm | 88 kg |
| 9ZR-3.8B | 4.5kW (2-phase) / 3kW (3-phase) | 3,800 kg/h | 1,750×550×900 mm | 93 kg |
| 9ZR-4.8T | 5.5kW (3-phase) | 4,800 kg/h | 1,750×600×930 mm | 116 kg |
| 9ZR-6.8 | 7.5kW (3-phase) | 6,800 kg/h | 2,283×740×1,040 mm | 189 kg |
| 9ZR-8 | 11kW (3-phase) | 8,000 kg/h | 3,400×830×1,200 mm | 320 kg |
| 9ZR-3.8C (Split) | 4.5kW (2-phase) / 3kW (3-phase) | 3,800 kg/h | 1,750×550×900 mm | 94 kg |
| 9ZR-4.8C (Split) | 5.5kW (3-phase) | 4,800 kg/h | 1,950×600×930 mm | 112.5 kg |
| 9ZR-3.8 (3-in-1) | 4.5kW (2-phase) / 3kW (3-phase) | 3,800 kg/h | 1,700×1,200×1,500 mm | 102.5 kg |
| 9ZR-4.8 (3-in-1) | 4.5kW (2-phase) / 3kW (3-phase) | 4,800 kg/h | 1,950×1,200×1,800 mm | 131 kg |
What Are the Models of Corn Stalk Silage Chopper Machines?
| Model Name | 2.5 Ton Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 1350 × 490 × 750 mm |
| Feed Inlet Size | 430 × 200 mm |
| Feed Inlet Height from Ground | 470 mm |
| Blade Specification | 220 × 70 × 6 mm |
| Number of Blades | 5 pcs |
| Matching Power | Single-phase 4.5 kW / Three-phase 3 kW |
| Machine Weight | 67 kg |
| Galvanized Chain Width | 220 mm |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Capacity | 2500 kg/h |
| Model Name | 3.8A Ton Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 1650 × 550 × 900 mm |
| Feed Inlet Size | 440 × 220 mm |
| Feed Inlet Height from Ground | 520 mm |
| Blade Specification | 220 × 70 × 6 mm |
| Number of Blades | 4/5/6 pcs |
| Matching Power | Single-phase 4.5 kW / Three-phase 3 kW |
| Machine Weight | 88 kg |
| Galvanized Chain Width | 200 mm |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Capacity | 3800 kg/h |
| Model Name | 3.8B Ton Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 1750 × 550 × 900 mm |
| Feed Inlet Size | 440 × 220 mm |
| Feed Inlet Height from Ground | 530 mm |
| Blade Specification | 220 × 70 × 6 mm |
| Number of Blades | 4/5/6 pcs |
| Matching Power | Single-phase 4.5 kW / Three-phase 3 kW |
| Machine Weight | 93 kg |
| Galvanized Chain Width | 200 mm |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Capacity | 3800 kg/h |
| Model Name | 4.8 Ton Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 1750 × 600 × 930 mm |
| Feed Inlet Size | 550 × 320 mm |
| Feed Inlet Height from Ground | 570 mm |
| Blade Specification | 280 × 70 × 6 mm |
| Number of Blades | 4/5/6 pcs |
| Matching Power | Three-phase 5.5 kW |
| Machine Weight | 116 kg |
| Galvanized Chain Width | 270 mm |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Capacity | 4800 kg/h |
| Model Name | 4.8 Ton Separate Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 1950 × 600 × 930 mm |
| Feed Inlet Size | 560 × 310 mm |
| Feed Inlet Height from Ground | 570 mm |
| Blade Specification | 280 × 70 × 6 mm |
| Number of Blades | 5 pcs |
| Matching Power | Single-phase 4.5 kW / Three-phase 3 kW |
| Machine Weight | 112.5 kg |
| Galvanized Chain Width | 270 mm |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Capacity | 4800 kg/h |
| Model | 9ZR-6.8 Corn Stalk Silage Chopper Machine |
| Power | 7.5 kW Electric Motor |
| Capacity | 6,800 kg/h |
| Machine Size | 2283 × 740 × 1040 mm |
| Weight | 189 kg |
| Galvanized Chain Width | 270 mm |
| Matching Power | Single-phase 4.5 kW / Three-phase 3 kW |
| Main Shaft Speed | Cutting Blade: 2800 r/min; Silage Blade: 4200 r/min |
| Model Name | 8 Ton Grass Chopper and Silage Chopper Machine |
| Overall Dimensions | 3400 × 830 × 1200 mm |
| Feed Inlet Size | 790 × 340 mm |
| Feed Inlet Height from Ground | 740 mm |
| Blade Specification | 220 × 70 × 6 mm (Staggered Arrangement) |
| Number of Blades | 6 pcs |
| Matching Power | Three-phase 11 kW |
| Machine Weight | 320 kg |
| Galvanized Chain Width | 380 mm |
| Main Shaft Speed | Cutting Blade: 1450 r/min; Silage Blade: 4200 r/min |
| Capacity | 8000 kg/h |
What Are the Key Features of the Corn Stalk Silage Chopper Machine?
Horizontal Drum Design for Stable Operation
The forage chopper machine adopts a horizontal roller configuration that maintains a low center of gravity, minimizing vibration during extended operation. This design reduces mechanical stress on bearings and shafts, resulting in lower failure rates and longer service life compared to vertical-type machines. The galvanized chain feeding system delivers materials evenly without manual pushing, preventing jamming and ensuring consistent throughput.
Multi-Power Flexibility
Standard models support both single-phase (220V) and three-phase (380V) electric motors. For operations in areas without reliable grid power, custom diesel and gasoline engine configurations are available. This flexibility makes the hay straw crushing machine suitable for:
- Grid-connected farm workshops
- Remote pastoral areas without electricity
- Mobile processing units
- Field-side silage preparation
Integrated Chopping, Shredding & Crushing
The standard models perform two-stage processing: chopping stalks into short segments, then shredding them into soft silk fibers. The 3-in-1 models add a grinding module capable of processing grains and fine straw simultaneously, creating a versatile all-purpose feed processing unit.
Adjustable Cutting Length
Multiple gear settings allow operators to control the final forage length precisely. Shorter cuts suit silage fermentation and TMR mixing, while longer cuts work well for direct feeding to cattle that prefer coarser roughage.
How Does the Corn Stalk Silage Shredder Machine Work?
The galvanized chain feeder continuously draws stalks into the horizontal drum, where high-strength alloy blades first chop the material into uniform short segments, then the shredding mechanism tears them apart into fine, soft silk strands. The entire process is completed in a single pass.
What Are the Key Advantages of the Corn Stalk Silage Chopper Machine?
Durability & Low Maintenance Cost
- High-strength alloy blades maintain sharp edges through extended use, reducing replacement frequency
- Reinforced machine frame withstands continuous heavy-duty operation
- Galvanized feeding chain resists rust and corrosion, extending service life
- Simple blade sharpening and greasing routines keep maintenance accessible for farm-level operators
Mobility & Space Efficiency
Built-in caster wheels allow easy repositioning between barns, storage areas, or field locations. The compact footprint of smaller models (starting at 1,350×490×750 mm) makes them practical for operations with limited workshop space.
Comprehensive Safety Design
Multiple protective features meet agricultural machinery safety standards (JB/T 9707-2013):
- Feed inlet guard shield prevents hand contact with cutting components
- Transmission guard covers all moving drive parts
- Discharge chute protection deflects ejected material
- Mandatory grounding protection against electrical hazards
- Standardized safety warning labels on all critical points
Cost-Effective Model Range
The 9ZR series spans from the 67kg, 2.5-ton/h entry-level model to the 320kg, 8-ton/h commercial unit. This range ensures farmers can select equipment matching their herd size and budget without over-investing in unnecessary capacity.
Applications & Suitable Materials
Processable Materials
| Material Type | Standard Models | 3-in-1 Models |
|---|---|---|
| Corn stalks | Yes | Yes |
| Wheat straw | Yes | Yes |
| Rice straw | Yes | Yes |
| Fresh/dry grass | Yes | Yes |
| Grains (corn, wheat) | No | Yes |
| Bean stalks | No | Yes |
Target Users
- Individual cattle/sheep farmers – 9ZR-2.5T to 9ZR-3.8 models
- Mid-scale livestock farms – 9ZR-4.8T to 9ZR-6.8 models
- Commercial forage processors – 9ZR-8 model
- Mobile silage service providers – Diesel/gasoline engine versions
End-Use Applications
- Direct feeding to cattle and sheep
- Silage and haylage fermentation preparation
- Commercial forage baling and sales
- TMR (Total Mixed Ration) feed preparation
Common Fault Analysis and Troubleshooting of Corn Stalk Silage Shredder Machine
The Machine Does Not Start After Power Connection
- Fault Cause: Low voltage, poor contact of the plug, cable, or motor connection.
- Solution: Fully check the power supply line, plug, and motor wiring connection points. Troubleshoot poor contact problems and ensure the voltage meets the requirements.
Overload Shutdown
- Fault Cause: Excessive feeding amount and material accumulation causing machine blockage.
- Solution: Stop the machine, shift to neutral gear, and clean out the accumulated straw inside the machine. Reduce the feeding amount for each operation and feed materials evenly during subsequent processing.
Abnormal Machine Noise and Material Jamming
- Fault Cause: Loose equipment fastening screws or displacement and misalignment of parts.
- Solution: Fully check the tightness of all screws, adjust all misaligned components, and lock them firmly.
Significant Decrease in Processing Productivity
- Fault Cause: Excessive moisture content of straw, insufficient motor power, uneven feeding, insufficient main shaft speed, or slipping transmission belt.
- Solution: Air-dry wet straw; inspect and repair the motor; feed materials evenly and in small amounts; tighten the transmission belt to ensure the machine operates at the rated speed.
Severe Bearing Overheating
- Fault Cause: Insufficient lubricating grease, damaged bearings, bent main shaft, unbalanced cutter rotor, overly tight belt, or long-term overload processing.
- Solution: Add grease for lubrication; replace damaged bearings directly; straighten the main shaft and correct the balance of the cutter rotor; loosen the belt appropriately; reduce the feeding amount and avoid long-term full-load operation.
Uneven Length of Processed Forage
- Fault Cause: Blades are worn and blunt, or the clearance between moving and fixed blades is too large or uneven.
- Solution: Sharpen the blades to restore their cutting performance, readjust the blades, and adjust the clearance between the moving and fixed blades to the standard range.
Transmission Belt Frequently Falls Off
- Fault Cause: Misalignment between the motor pulley and the main drive pulley, or the motor installation position is offset.
- Solution: Move the motor back and forth to adjust the installation distance and ensure that the two pulleys are completely aligned.
Spare Parts List
The core wear parts of this machine are listed below. Users are recommended to keep commonly used spare parts in stock according to their machine model to minimize downtime during maintenance.
| No. | Spare Part | No. | Spare Part |
|---|---|---|---|
| 1 | Gear | 11 | Grease Nipple |
| 2 | Bearing | 12 | Universal Joint |
| 3 | Blade | 13 | Caster Wheel |
| 4 | Shaft Pin | 14 | Connecting Rod |
| 5 | Chain | 15 | Bearing Housing |
| 6 | Wear Sleeve | 16 | Shift Fork |
| 7 | V-Belt | 17 | Main Shaft |
| 8 | Spring | 18 | Other Shafts |
| 9 | Coupling Sleeve | 19 | Gearbox Adjustment Block |
| 10 | Bolt | 20 | Safety Label |
Why Choose Taizy?
Industry Compliance
- All 9ZR models meet the JB/T 9707-2013 Chaff Cutter industry standard, ensuring certified performance and safety.
- ISO90001/CE/SGS
20+ Years of Agricultural Machinery Manufacturing
- Taizy has served farming communities across 100+ countries, understanding the real-world demands of livestock feed processing.
Complete Support Package
- 12-month equipment warranty
- Lifetime technical guidance
- Spare parts readily available (blades, bearings, chains, belts)
- Multilingual customer service
Frequently Asked Questions
Can this machine process fresh (green) corn stalks?
Yes, the 9ZR series handles both dry and fresh corn stalks. However, fresh stalks contain higher moisture content (above 60%), so we recommend processing them for immediate silage fermentation rather than storage. For optimal silage quality, process fresh stalks within 24 hours of harvest.
How often do the blades need sharpening or replacement?
Under normal operation with dry corn stalks, blades maintain effective sharpness for approximately 200–300 hours of continuous use. With heavy daily operation, plan to inspect blade condition monthly and sharpen or replace as needed. The sharpening process is straightforward—a standard bench grinder works well, and replacement blades are inexpensive and readily available.
Is assembly required upon delivery?
The machine ships fully assembled and tested. Upon arrival, you only need to connect the power supply, verify belt tension, and perform a brief test run. A user manual with illustrated instructions is included. Remote video guidance is available if you need installation assistance.
What is the difference between the standard model and the split model?
The split model separates the feeding mechanism from the main processing unit, allowing you to position the feeder at a more ergonomic height or angle. This configuration is ideal for operations where stalks are loaded from elevated platforms or conveyor systems. The processing performance remains identical.
Can the machine handle stalks with small stones or metal debris mixed in?
We strongly recommend removing stones, metal fragments, and other hard contaminants before feeding. Foreign objects can damage blades and create safety hazards. Installing a simple manual screening step before the machine protects your investment and ensures consistent output quality.
What voltage is required, and can it work with generators?
Standard models operate on 220V single-phase or 380V three-phase power. Smaller models (9ZR-2.5T through 9ZR-3.8B) can run on a generator rated at least 1.5 times the motor’s rated power. For diesel and gasoline engine versions, no electrical connection is needed at all.
How do I choose between the 3-in-1 model and the standard model?
If you only process stalks and straw for livestock feed, the standard chopping-shredding model is sufficient. If you also need to grind grains (corn, wheat, soybeans) for mixing into compound feed, the 3-in-1 model eliminates the need for a separate grain crusher, saving both equipment cost and floor space.
Related Equipment
Feed Pellet Production Line
This integrated complete feed pellet line takes TZ400 as the standard model with hourly capacity from 800kg to 1500kg and total installed power of 89.16kW. It adopts a thickened carbon steel frame and alloy ring die roller structure, producing pellets with adjustable diameter 2.5–8mm. Besides corn and grains, it can process straw, grass, rice bran, oil cake and various agricultural raw materials. Equipped with a crushing, mixing, pelleting, cooling, dust removal and automatic packaging integrated system, it produces uniform high-density feed pellets for poultry farms, cattle & sheep ranches and medium-sized feed factories.
Core Advantages
- Wide Raw Material Compatibility: Processes grains, straw, pasture and bran materials; raw material moisture only required below 20% without a fixed mixing proportion limit.
- Complete Integrated Workflow: One-stop continuous production covering crushing, mixing, pelleting, cooling, screening and automatic weighing and packaging to greatly reduce manual labor.
- Eco-friendly Dust Removal System: Matched 16-bag pulse dust collector recovers fine powder materials and keeps workshop air clean to meet environmental emission standards.
- Stable High-Quality Pellet Forming: Four-roller pellet mill ensures high forming rate; adjustable cutting knife freely controls pellet length with smooth, crack-free finished pellets.
- Durable Wear-resistant Structure: Alloy ring die and pressure rollers with heat treatment reduce abrasion loss, supporting long-term non-stop industrial continuous operation.
- Modular Flexible Layout Design: Split combination structure allows staggered arrangement to fit different plant space sizes, easy for containerized ocean shipping.
- Complete Supporting Service: 12-month full-line warranty plus online remote & on-site technical guidance, customized layout design and equipment matching scheme.
