9YFS-2.2 Double-Compartment Square Baler
Maximize your agricultural output and field operating efficiency with our premier high-density, double-chamber square baler system (internationally recognized as an automatic straw strapping machine, high-capacity forage press, or dual-tunnel square straw packer). Engineered with a robust 2,200 mm wide pickup assembly and an innovative twin-compartment compression chamber, the 9YFS-2.2 serves as a highly robust, cost-effective replacement for expensive Western equivalent models such as the New Holland BigBaler 1290 or Krone BiG Pack 1290 series without sacrificing structural lifespan, high-speed knotter reliability, or crop versatility.
Dual Compression Tunnels // Higher Spatial Output // Smooth Crop Injection
Biomass Recovery
Ideal for rapid collection of wheat straw, corn stover, and rice residue for clean energy power plants.
Commercial Farms
Provides high daily forage volumes with maximum leaf retention for cattle feed and bedding.
Custom Contractors
Low horsepower requirement allows operators to service more acreage with smaller utility tractors.
Technical Specifications Matrix
| Serial | Specification Parameter Item | Unit | Performance Value (9YFS-2.2) |
|---|---|---|---|
| 1 | Model Name & Designation | / | 9YFS-2.2 Double-Compartment Square Baler |
| 2 | Hitching Configuration | / | Trailed / Drawbar Mounted |
| 3 | Picking Width | mm | 2200 |
| 4 | Feeding Inlet Width | mm | Direct Chamber Feeding Channel |
| 5 | Picker Structure Type | / | Heavy-Duty Spring Tooth Type |
| 6 | Feeder Structure Mechanism | / | Mechanical Fork Feeding Mechanism |
| 7 | Knotter Assembly Type | / | D-Type Heavy-Duty Knotters |
| 8 | Number of Knotters | pc | 2 × 2 (4 Knotters Total) |
| 9 | Compression Chamber Dimensions (W×H) | mm | 460 × 360 × 2 (Twin Tunnels) |
| 10 | Baling & Tying Method | / | Fully Automatic Rope Baling & Tying |
| 11 | Matching Tractor Power Range | kW | ≥ 51.5 kW (Approx. 70 HP+) |
| 12 | Overall Equipment Dimensions (L×W×H) | mm | 5600 × 2780 × 1790 |
| 13 | Total Equipment Weight (Unloaded) | kg | 3115 |
Driveline Dynamics & Working Principle
The mechanical operation of the 9YFS-2.2 Double-Compartment Square Baler is a highly synchronized process driven entirely by the tractor’s power take-off (PTO) system. First, the high-elastic spring teeth of the massive 2,200 mm wide pickup assembly gather the swath cleanly from the ground, ensuring complete collection of straw or forage without soil contamination. Once picked up, our high-precision Fork Feeding Mechanism delivers a pre-compression action, uniformly shaping the crop into uniform portions before injecting it directly into the compression chambers.
Inside the twin 460 × 360 mm tunnels, dual heavy-duty pistons operate in parallel, compressing the crop simultaneously. As the density inside the dual chambers reaches the preset structural limit, the D-type automatic knotter mechanism (configured in a 2×2 setup) instantly triggers. It wraps the high-strength ropes around the tightly packed square bales and ties them with flawless knots, guaranteeing high structural stability during storage and stacking.
To safeguard the driveline against heavy peak loads and prevent sudden mechanical wear, it is vital to couple the machinery with a premium, certified pto shaft equipped with a built-in friction-type slip clutch. This protective mechanism ensures that any sudden jam in the chamber will safely slip the clutch rather than shearing the tractor’s internal output gears.
Core Engineering Advantages
Simultaneous Double Chambers
Dual 460 × 360 mm compression channels operate in parallel, effectively doubling the volumetric baling capacity per tractor hour compared to standard single-channel straw packers.
Massive 2.2-Meter Pickup
The extra-wide 2,200 mm picking width easily handles thick, irregular swaths. This maximizes field speed and ensures clean, high-speed crop collection with near-zero left-behinds.
German-Spec D-Type Knotters
Equipped with an advanced 2×2 automatic knotting system, our machinery delivers an exceptional 99.8% tying success rate, avoiding straw bundle collapse during intensive handling.
Low Horsepower Requirement
The highly optimized transmission gearbox design allows full operational capability using tractors rated ≥ 51.5 kW (70 HP+), significantly cutting down on fuel consumption.
Automated Robotic Welding
Built entirely with robust Q355B carbon steel and processed with automated MIG welding. This eliminates critical fatigue points and ensures reliable chassis lifetime under high stress.
Dual Flywheel Dynamic Balance
Our dynamically balanced dual flywheel configuration absorbs high stroke vibrations, protecting the drawbar and preventing premature wear of your tractor’s rear linkages.
Advanced Mechanical Metallurgy & Structural Craftsmanship
The core load-bearing chassis of the 9YFS-2.2 high-capacity double-compartment square baler is manufactured from premium Q355B structural carbon steel, treated for high yield and tensile strength. Our engineering team utilizes advanced robotic MIG welding stations to construct every structural seam. This approach provides deep weld penetration, eliminating human welding inconsistencies and ensuring the frame stands up to high-vibration field stresses.
Inside the twin compression chambers, the plunger wear strips and chamber guide rails are lined with induction-hardened manganese steel alloy plates. These specialized plates exhibit superior abrasion resistance, allowing them to withstand the constant scrubbing of dust-laden grain straw or high-silica rice husks. The spring teeth on our pickup assembly are coiled from premium 65Mn silicon-manganese spring steel and oil-quenched to retain elasticity without structural deformation.
This commitment to materials science and engineering execution aligns with international E-E-A-T guidelines, ensuring that commercial growers can invest in high-capacity forage baling systems built to deliver decade-long operational returns.
Typical Field Application Scenarios
1. Biomass Power Generation & Industrial Straw Recovery
Overview: Collecting and tightly packing leftover wheat, barley, and oat straw beds left in the field after combined harvester runs. Compressed square straw bundles are essential to satisfy fuel logistical requirements for clean energy biomass power stations.
Operational Mechanism: Towed behind a medium-sized utility tractor, the 9YFS-2.2’s wide spring picker scoots the fields. The fork feeding assembly forces the crop into the twin chambers, where the heavy dual plungers compress it into high-density blocks. The automated strapping mechanism wraps the bundles tightly, increasing transport spatial density by over 400% to maximize trucking logistics efficiency.
2. Commercial Hay Exporting & Logistics
Scenario: Shipping premium alfalfa and forage crops internationally requires strict consistency in bundle size, high nutrient preservation, and structural stability. The dual 460 × 360 mm chambers compress high-value hay with exceptional density, keeping moisture and air pockets minimal. This preserves forage freshness and prevents nutritional degradation during long-distance shipping container transport.
3. Medium-to-Large Dairy & Livestock Farms
Scenario: Dairy operations require continuous volumes of clean straw bedding and dry feed swaths. The 9YFS-2.2 delivers rapid throughput directly behind cutting machinery. Its compact trailing radius allows it to navigate easily inside tight feedlots, storage barns, and animal sheds, making it highly compatible with modern automated Total Mixed Ration (TMR) feeding systems.
Professional Selection & Tractor Configuration Guide
Investing in a high-capacity automatic baler requires careful evaluation of your existing tractor specifications, regional crop profiles, and planned field throughput. When preparing to purchase the 9YFS-2.2 Double-Compartment Square Baler, please verify and document the following technical integration parameters:
🚜 Tractor Power Range
Verify your tractor possesses a minimum power output of ≥ 51.5 kW (70 HP). For damp forage, green alfalfa, or dense straw swaths, an 80 HP to 110 HP tractor is highly recommended.
⚙️ PTO Output Speeds
Confirm your tractor’s PTO speed capability (540 RPM or 1000 RPM) and rear spline configurations (standard 6-spline, 8-spline, or 21-spline setup) to match the connecting assembly.
💧 Crop Moisture Levels
Optimal square baling density is achieved with crop moisture levels below 20%. For silage or damp straw wrapping above 25%, customized pre-tension chamber adjustments are required.
⛰️ Operating Terrain
The trailed hitch profile provides exceptional center-of-gravity stability. For hilly or terraced farmland operations, we recommend upgrading to wider, high-flotation flotation tires.
Comparative Technical Overview: Ever-Power vs. OEM Premium Brands
When compared objectively with expensive imported Western agricultural brands, the Ever-Power 9YFS-2.2 offers comparable Spatial density throughput, exceptional D-type knotter reliability, and superior cost-to-performance value.
| Performance Metric | Ever-Power 9YFS-2.2 | Western OEM Premium Equivalent | Our Value Advantage |
|---|---|---|---|
| Compression Geometry | Double-Compartment Parallel (460x360x2 mm) | Single Massive Chamber (1200×900 mm) | Produces dual independent high-density swaths at lower power. |
| Standard Pickup Width | 2200 mm Wide | 2100 mm to 2300 mm | Identical crop gathering capacity and field sweep speeds. |
| Tying Assembly | Automatic Rope Tying (4 D-Type Knotters) | Proprietary Knotting Assembly | Easy-to-service mechanical knotters with universal twine compatibility. |
| Metal Fabrication | Q355B Steel + Robotic MIG Welds | Standard Carbon Steel Frame | Excellent structural torsion resistance under continuous stress. |
| Power Requirement | ≥ 51.5 kW (70 HP+) | ≥ 90 kW (120 HP+) | Allows the use of smaller, more fuel-efficient utility tractors. |
| Initial Investment Cost | High Cost-to-Performance ROI | High OEM Import Premium | Reduces capital investment by up to 45%, accelerating your payback period. |
IMPORTANT CORPORATE DISCLAIMER: Any original equipment manufacturer (OEM) brand names, model designations, part numbers, or trademarks (such as Krone, New Holland, Hesston, or John Deere) mentioned in this technical content are used strictly for illustrating product use, specifications, and compatibility, and for replacing damaged original components. Our company and our aftermarket replacement agricultural machinery are not sponsored, endorsed, or authorized for production by any OEM manufacturer. We prioritize objective technical comparison.
Frequently Asked Questions (Technical FAQ)
Q1: What is the defining engineering difference of the 9YFS-2.2 Double-Compartment design?
This unique design compresses crop simultaneously inside dual 460 × 360 mm twin tunnels. This doubles the mechanical capacity and output Spatial volume per hour while keeping the required tractor power input exceptionally low (≥51.5 kW).
Q2: What type of tractor PTO power is required for this baler?
The 9YFS-2.2 requires a tractor output assembly delivering ≥ 51.5 kW (Approx. 70 HP+). To handle continuous peak loads safely, we recommend utilizing an agricultural tractor in the 80 to 110 HP range.
Q3: Are D-type knotters reliable under grueling high-density conditions?
Absolutely. The 2×2 heavy-duty D-type knotter system is engineered specifically for high compression chambers, ensuring secure, consistent knots even with thick polypropylene straw strapping ropes, minimizing bale rupture rates.
Q4: What Spatial crop types can this dual-compartment system process?
The machine is highly versatile, designed primarily for dry wheat straw, rice husks, oat hay, alfalfa, corn stalks, and general pasture grasses. For damp silage baling (above 20% moisture), please consult our technical staff.
Q5: How does the automatic straw strapping machine maintain tight bales?
The system utilizes dynamic mechanical sensors that constantly monitor the bale resistance in both twin tunnels. Only when the density meets the precise threshold does the knotting mechanism trigger, ensuring every bundle is equally tight and structurally stable.
Q6: What safety mechanisms protect the main gearbox?
The baler flywheel is equipped with multi-stage shear bolts, which are designed to fail safely if a foreign object enters the chamber. We also highly recommend coupling the connecting assembly with a friction-type slip clutch for immediate driveline protection.
Q7: Are replacement parts and knotter needles readily available globally?
Yes, we maintain complete spare parts inventories across our international logistics hubs, enabling quick air freight dispatch to minimize field downtime during critical harvest seasons.
Q8: Does robotic welding really improve lifespan?
Yes, definitively. Robotic MIG welding eliminates human error in joint quality. It ensures deep penetration, uniform weld beads, and significantly higher fatigue resistance, which is critical for a machine undergoing constant vibration and stress for 10+ years.
Q9: What is the primary benefit of high-density square bales over traditional round bales?
High-density square straw bales produced by our machinery allow for 30% denser stacking in warehouses and shipping containers. Choosing our high-density square baler optimizes dairy logistics, simplifies automated feeding, and lowers transport costs.
Q10: What is the Spatial net weight of the 9YFS-2.2 machinery?
The total net machine weight is 3,115 kg, providing the necessary ballast for exceptional ground stability and traction when towing across uneven or sloped fields.