Beschrijving
9GS-5.0 Pull-Type Double-Acting Sickle Bar Mower
High-Efficiency Twin Bar Mower for Expansive Natural and Cultivated Forage Harvesting
✔️ 20-30 kW (30-50 HP) Power Efficiency
✔️ Advanced Double-Acting Reciprocation
✔️ Hydraulic Lift Mechanism
Product Overview: The Apex of Pasture Harvesting
De 9GS-5.0 Double-Acting Sickle Bar Mower redefines large-scale forage harvesting by combining exceptional cutting width with unparalleled energy efficiency. Engineered for commercial pastoral operations, this heavy-duty Pull-Type Mower boasts a staggering 5.0-meter working width. It is specifically calibrated for the rapid, clean cutting of natural prairie grasses, planted alfalfa, and diverse cultivated pastures. While many operators naturally gravitate towards a Dual Disc Mower for high-speed operation, the profound aerodynamic and mechanical drag of rotary systems demands massive horsepower. Conversely, our 9GS-5.0 utilizes a superior Double Acting Mower mechanism—where two heavy-duty sickle bars move in rapid opposition. This twin-blade opposition entirely cancels out lateral vibrations, ensuring an exceptionally smooth, scissor-like shear across the entire 5-meter span, all while requiring a mere 20 to 30 kW (approximately 30 to 50 HP) of tractor power.
Manufactured strictly following the GB/T10940-2008 national standards for reciprocating agricultural machinery, the 9GS-5.0 guarantees structural rationality and operational longevity. The integration of a specialized hydraulic lifting system transforms field maneuverability; a single tractor operator can seamlessly raise the massive dual-cutter assembly directly from the driver’s seat to avoid sudden obstacles or execute swift headland turns. This Reciprocating Mower represents the ultimate balance of high volumetric throughput (up to 2.8 hectares per hour) and meticulous crop preservation. By eliminating the aggressive shattering effect inherent to flail and disc systems, our twin-blade shear retains maximum delicate leaf matter, directly preserving the essential Crude Protein (CP) and Relative Feed Value (RFV) of your forage harvest prior to processing with a high-density round baler.
Application Limitation Warning: To ensure the integrity of the micro-tolerances within the double-acting cutting head, the 9GS-5.0 is exclusively designed for dryland pasture management. It is strictly prohibited from use in flooded paddy fields, deep marshlands, dense forestry underbrush, or terrain highly populated with hidden boulders and severe ground tufts (tussocks).
Optimal implement deployment requires precise mechanical matching. The 9GS-5.0 is engineered with highly specific kinematic requirements to ensure low-input, high-yield operation.
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Ultra-Low Power Consumption Profile: The dual-acting linear drive requires exceptionally low rotational torque. A utility tractor operating between 20-30 kW (30-50 HP) provides ample power, slashing diesel expenditure by up to 50% compared to equivalent rotary setups.
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Dual-Speed Transmission Dynamics: The primary input requires a standard 540 r/min PTO. Our proprietary internal gearbox safely steps this up, providing a secondary output speed of 1240 r/min directly to the pitman drives, ensuring high-frequency, jam-free shearing.
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Single-Acting Hydraulic Prerequisite: The towing tractor must be equipped with at least one rear hydraulic remote valve to interface with the 9GS-5.0’s lift cylinder, enabling the massive 5-meter wingspan to be raised effortlessly over field hazards.
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Independent Axle Load Bearing: The substantial 750 kg structural mass is entirely supported by the implement’s heavy-duty pneumatic transport wheels, placing zero vertical compression load on the tractor’s three-point linkage or rear axle.
Rigorous Engineering Specifications
The following technical data represents the operational parameters of the 9GS-5.0 model, verified through stringent field-testing protocols.
| Nee. | Parameter Category | Measurement Unit | Standard Specification |
|---|---|---|---|
| 1 | Structural Form | / | Reciprocating (Double-Acting) |
| 2 | Tractor Linkage Configuration | / | Trailed / Pull-Type |
| 3 | Model Number Identifier | / | 9GS-5.0 |
| 4 | Matching Tractor Power Range | kW | 20 – 30 (Approx. 30 – 50 HP) |
| 5 | Effective Cutting Width | M | 5.0 |
| 6 | Overall Dimensions (Length x Width x Height) | mm | 2800 x 5630 x 1500 |
| 7 | Optimal Working Speed | km/u | 6 – 7 |
| 8 | Main PTO Input Shaft Speed | toerental | 540 |
| 9 | Side Drive Output Speed | toerental | 1240 |
| 10 | Average Harvest Stubble Height | mm | 60 – 70 |
| 11 | Hourly Productivity Rate | ha/h | 2.4 – 2.8 |
| 12 | Required Personnel | Person | 1 (Tractor Driver Only) |
| 13 | Total Structural Mass (Weight) | kg | 750 |
🚜 Universal OEM Tractor Compatibility
De Twin Bar Mower is equipped with internationally standardized PTO splines and hydraulic quick-couplers. This guarantees flawless integration with an extensive range of global agricultural wheeled tractors capable of delivering a 540 r/min PTO speed and 30-50 horsepower.
Legal Compatibility Disclaimer: This heavy-duty implement is universally designed to operate with leading tractor brands, including but strictly not limited to John Deere, New Holland, Kubota, Massey Ferguson, Case IH, Mahindra, and Fendt. The explicit inclusion of these commercial brand names is provided entirely as a practical procurement reference to assist farmers and ag-managers in fleet matching. It does not imply, nor is it intended to suggest, any direct corporate affiliation, endorsement, sponsorship, or trademark infringement by or against the aforementioned entities.
Key Features & Distinctive Engineering Advantages
Vibration-Canceling Double Action
Unlike traditional single-knife models where a solitary blade reciprocating against a fixed guard creates violent lateral shaking, the 9GS-5.0 employs two serrated knife bars moving continuously in opposite directions. This revolutionary Double-Acting Sickle Bar Mower design perfectly counterbalances inertial forces. The result is a radically reduced vibration signature, which exponentially extends the lifespan of the chassis welds and the tractor’s drawbar.
Hyper-Accelerated Cut Frequency
Because both cutting edges are moving simultaneously toward each other, the relative shearing speed is effectively doubled compared to a standard sickle bar. This allows the tractor to comfortably maintain a forward working speed of 6 to 7 km/h across the massive 5-meter width without the crop “pushing over” or choking the blade teeth, enabling productivity rates up to 2.8 hectares per hour.
Integrated Hydraulic Articulation
Managing a 5-meter wing manually would be impossible. The integrated high-pressure hydraulic cylinder, powered directly by the tractor’s auxiliary remotes, provides instantaneous vertical lift. This allows the operator to elevate the Twin Bar Mower to clear hidden field hazards, navigate irrigation berms, and rapidly transition from working mode to a safe, elevated transport profile.
Precision Agronomic Stubble Management
The heavy-duty trailed chassis rides independently on its own pneumatic tires, allowing the massive cutter bar to faithfully track the ground contours. This maintains a strict, highly accurate average stubble height of 60-70mm. This exact measurement is agronomically proven to accelerate secondary photosynthesis, ensuring faster regrowth cycles while keeping dirt out of the windrow.
Deep Engineering Dive: Structural Design Concept
The engineering ethos behind the 9GS-5.0 Double Acting Mower centers on resolving the structural fatigue inherent in ultra-wide implements. When spanning 5 meters, any mechanical flexing can cause the cutting blades to bind. To counteract this, the primary chassis is fabricated from thick-walled, seam-welded tubular carbon steel, offering immense torsional rigidity similar to the heavy-duty frameworks utilized in our premium agricultural machinery lineup.
The power transmission is a marvel of agricultural engineering. The input energy from the 540 r/min PTO is routed through a specialized enclosed gearbox, stepping the velocity up to 1240 r/min. This high-speed rotational energy is then transferred via robust industrial drive belts to the twin eccentric pitman assemblies. These dual pitman arms convert the rotary motion into opposing linear thrusts, driving the top and bottom serrated knife bars across each other. Because the ledger plates (guards) are eliminated in favor of two moving blades, clogging from thick, wet, or fine-stemmed crops is virtually eradicated, yielding an incredibly low mechanical failure rate.
Specialized Field Application Scenarios
The 9GS-5.0 is strategically designed to dominate specific agronomic profiles where preserving crop quality and maximizing hourly acreage are paramount.
🌾 Double-Acting Sickle Bar Mower for High-Protein Legumes
Alfalfa, clover, and vetch possess highly delicate, protein-dense leaves. The twin-blade scissor action prevents the violent shattering and leaf-stripping caused by rotary impact, ensuring the maximum Relative Feed Value (RFV) is retained in the swath.
🏞️ Pull-Type Mower for Vast Natural Prairie Grasses
For massive, open expanses of native grasslands, fuel economy is the defining metric of profitability. The 5-meter width allows contractors to sheer immense acreage per day using lightweight, fuel-sipping 40 HP tractors.
🐴 Twin Bar Mower for Premium Equine Nutritional Hay
Equine digestive systems require dust-free, exceptionally clean forage. The independent trailed chassis guarantees the cutter bar never dips into the soil, keeping the harvested windrow entirely free of dirt and ash contamination.
Competitive Advantage Evaluation Matrix
| Critical Performance Metric | Our 9GS-5.0 Double-Acting Mower | Traditional Single-Knife / Inferior Rotary Mowers |
|---|---|---|
| Vibration & Chassis Stress | Near Zero. Opposing blades cancel kinetic energy. | Severe lateral shaking leads to rapid metal fatigue and broken welds. |
| Cutting Velocity & Jamming | Double shear speed. Self-cleaning, zero jamming. | Single blade often chokes in wet, fine, or densely lodged crop. |
| Power-to-Width Efficiency | Exceptional. 5.0m width achieved with only 30-50 HP. | Poor. A 5m rotary mower demands 100+ HP and consumes massive fuel. |
| Nutrient Preservation | Perfect scissor cut leaves delicate protein matter intact. | High-speed rotary impact shatters and pulverizes valuable leaves. |
Kinematic Working Principle & Field Operation Flow
PTO Power Reception & Multiplication
The tractor’s 540 r/min PTO energy enters the mower’s primary sealed gearbox. Through precision-forged gears, the rotational speed is amplified to 1240 r/min to provide the necessary high-frequency kinetic energy.
Dual Eccentric Translation
The high-speed rotational energy drives twin eccentric crank wheels. The attached heavy-duty pitman arms flawlessly convert this circular motion into violent, opposing linear thrusts.
The Double-Acting Shear
The upper and lower serrated knife blades are driven in exact opposition. As the tractor advances at 6-7 km/h, the crop enters the blades and is instantaneously severed by the crossing action, rather than being pushed against a stationary guard.
Aerated Swath Formation
The cleanly cut 5-meter curtain of forage falls backward over the low-profile cutter bar. Because the trailed chassis wheels sit behind the action, the crop is laid down in a wide, fluffy, aerated swath optimized for rapid solar and wind dry-down.
Global Engineering Field Notes & Case Studies
[Alberta, Canada] Extreme Working Condition Practical Research
Client Profile: Broadacre commercial hay exporter. Operational Objective: Maximizing harvest volume during exceptionally narrow, frost-threatened weather windows.
“The 5-meter width of the 9GS-5.0 is a game-changer for our short Canadian summers. We are pulling this massive rig with our older 50 HP utility tractors. The double-acting blades chew through thick Timothy grass without a single plug. We’ve effectively doubled our daily acreage without buying a 120 HP tractor.”
[Queensland, Australia] Off-Road Terrain Adaptation Guide
Client Profile: Massive outback cattle station. Operational Objective: Harvesting drought-resistant Mitchell grass across undulating, rutted outback plains.
“A three-point mounted mower of this size would snap our tractor linkages in half on these ruts. Because this is a Pull-Type Mower running on its own heavy-duty tires, it floats beautifully over the rough ground. The hydraulic lift allows our operators to dodge hidden termite mounds instantly.”
[Bavaria, Germany] Precision Forage Quality Assurance Guide
Client Profile: High-yield rotational dairy cooperative. Operational Objective: Eliminating ash and soil contamination in fermented silage while preserving leaf matter.
“Rotary mowers were sucking dirt into our swaths and shattering our clover leaves. The twin bar scissor-cut is surgical. By maintaining an exact 70mm stubble height, we keep the blades out of the dirt. Our lab results show an unprecedented drop in ash content and a spike in crude protein since adopting the 9GS-5.0.”
[Mato Grosso, Brazil] Local Industry Application Cases
Client Profile: Large-scale tropical biomass contractor. Operational Objective: Cutting highly dense, fibrous, and wet tropical grasses rapidly before the monsoon rains.
“Wet tropical grass wraps around conventional single blades and stalls the tractor. The high-speed double-acting mechanism of the 9GS acts like a self-cleaning shear. It slices through the fibrous stalks effortlessly at 7 km/h, and the lack of vibration means we aren’t constantly re-welding cracked frames.”
[Texas, USA] Heavy-Duty Yield Harvesting Review
Client Profile: Multi-generational commercial hay ranch. Operational Objective: Slashing soaring diesel fuel expenditures without sacrificing harvesting throughput.
“Diesel costs were eating our margins alive trying to run 15ft rotary bats. Moving to the 5.0m Double-Acting Sickle Bar Mower changed our economics overnight. We cover the same acreage, but our fuel consumption has literally been cut in half. The engineering simplicity makes it incredibly reliable.”
B2B Client Frequently Asked Questions (FAQ)
1. What is the container loading capacity for bulk international shipping?
To maximize B2B freight efficiency, the massive 5-meter chassis is designed to be partially disassembled and flat-packed. A standard 40ft High Cube container can hold up to 22 units of the 9GS-5.0, drastically reducing your landed cost per unit. Contact our logistics team for precise shipping manifests.
2. Can I operate the 9GS-5.0 with a 1000 r/min PTO?
No. The primary input gearbox is strictly geared to receive a 540 r/min input, which it internally multiplies to 1240 r/min for the pitman drive. Connecting to a 1000 r/min PTO will over-rev the eccentric wheels to catastrophic levels, causing violent structural failure and voiding the warranty.
3. What happens if the 5-meter cutter bar strikes a hidden rock?
The implement is equipped with a heavy-duty mechanical breakaway latch on the main drawbar. Upon high-kinetic impact, the spring-loaded jaw trips, allowing the entire 5-meter wing to swing backwards safely, dissipating the energy. The operator simply reverses the tractor to snap the bar back into the locked working position.
4. How difficult is it to sharpen or replace the cutting blades?
Maintenance is straightforward. The high-carbon serrated blades are individually riveted (or bolted, upon configuration) to the upper and lower knife spines. A single damaged blade section can be punched out and replaced in the field using standard hand tools in minutes, minimizing downtime.
5. Does this mower require double-acting hydraulics?
A single-acting hydraulic remote valve on the tractor is sufficient to operate the lift cylinder. Hydraulic pressure forces the cutter bar upward, and gravity gently lowers it back to the operating position when the valve is released. Double-acting valves can be used but are not strictly required.
6. Can the 9GS-5.0 be used to harvest extremely lodged (flattened) crops?
While sickle bar mowers perform optimally on standing forage, the double-acting mechanism handles lodged crops better than single-knife models. By utilizing the top link adjustment, the operator can tilt the cutter bar pitch slightly downward, allowing the twin blades to slip under the flattened material and sheer it efficiently.
7. Do you supply OEM replacement parts directly?
Absolutely. We are a primary manufacturer and hold a massive inventory of agricultural machinery components. You can order replacement blades, PTO shafts, agricultural gearboxes, drive belts, pulleys, sprockets, and chains to ensure decades of operational uptime.
Critical Operation & Maintenance Protocols
To maximize the lifespan of the double-acting mechanism, strict adherence to these engineering adjustments is mandatory:
- Knife Registration Verification: The stroke of the upper and lower knife bars must perfectly cross at the exact center point. Misalignment results in tearing the crop rather than shearing it, causing immense strain on the pitman arms. Adjust the pitman linkage length to correct.
- Cutter Bar Lead Calibration: Because of the immense 5-meter width, the outer shoe of the cutter bar must have a slight “lead” (angled forward by 30-40mm) when stationary. During operation, crop resistance will pull the bar back into a perfectly perpendicular 90-degree alignment with the tractor.
- Strict Lubrication Regimen: The eccentric crank bearings, pitman ball joints, and all PTO universal joints must be purged and re-greased with high-temperature lithium grease every 8-10 working hours. Failure to lubricate high-speed reciprocating joints guarantees premature failure.
- Breakaway Tensioning: Before the harvesting season, test the drawbar breakaway latch. Tighten the main tension spring so it holds firm through dense crop drag, but ensure it is loose enough to trip if struck with a sledgehammer (simulating a rock strike).
Global Market Trends & Economic ROI Analysis
The trajectory of modern agriculture is aggressively shifting towards operational cost reduction. For decades, the industry chased brute speed through massive, high-horsepower rotary and disc mowers. However, with global diesel prices continually rising and tractor capital costs soaring, progressive agricultural managers are pivoting back to highly refined kinematic solutions like the 9GS-5.0 Twin Bar Mower. By delivering a colossal 5.0-meter cutting width utilizing merely 30-50 HP, this machine represents the pinnacle of “low-input, high-yield” engineering.
Return on Investment (ROI) Breakdown: The financial justification for the 9GS-5.0 is incredibly swift. When compared to operating a 5-meter rotary equivalent, an operation can expect a 40-50% reduction in daily fuel consumption. Additionally, the ability to utilize smaller, less expensive utility tractors vastly reduces fleet depreciation costs. Agronomically, the clean scissor-cut preserves fragile leaf proteins, elevating the Relative Feed Quality (RFQ) and consequently, the market sale price of the resulting hay. For an operation harvesting over 300 hectares annually, the compounded savings in diesel, reduced tractor wear, and premium crop yield typically offset the entire capital investment of the mower within the very first harvesting season.
Complete Your Professional Forage Harvesting Fleet
As an integrated OEM manufacturer, we engineer holistic agricultural solutions. Once the 9GS-5.0 has laid down the perfect windrow, seamlessly transition to the next stage of preservation and packaging with our heavy-duty downstream processing equipment:
Ready to Maximize Your Harvesting Profitability?
From customized single-unit configurations to massive containerized B2B fleet logistics, our expert engineering sales team is standing by to optimize your operations. Secure your 9GS-5.0 Trailed Double Knife Mower ahead of the harvest season.
