Description
The Double Disc Fertilizer Spreader Gearbox serves as a core component in agricultural machinery is designed for fertilizer spreaders. The EP-SF11 and providing 1:1 gear ratio, input/output 540 rpm, power 15 kW, and torque 20 Nm for uniform fertilizer distribution and low noise operation. supplied without oil, max oil capacity 1.1 L, change interval 500 h, supports SAE 80W-90 viscosity grade lubrication, moderate weight for easy installation.
This model serves as a universal replacement, fitting replacement for Land Pride 322.002 (for mid-size spreaders in even application) or Comer L-25A (low-power field tasks), solving spec match issues like PTO interface and power compatibility, reducing fertilizer waste and boosting crop yields. Complementary agricultural PTO shafts optimize system stability, reduce vibration and extend life, suited for small to medium farms spreading
Double Disc Fertilizer Spreader Gearbox EP-SF11 Dimensions


Technical Specifications
| Parameter Name | Value |
|---|---|
| Gear Ratio | 1:1 |
| Application | Fertilizer spreaders and related agricultural equipment |
| Input Speed | 540 rpm |
| Output Speed | 540 rpm |
| Power | 15 kW |
| Torque | 20 Nm |
| Toothing | Gleason Helical Teeth |
Key Notes:
Configuration: Standard setup with high-strength cast iron housing and optimized lubrication for durability in field conditions.
Customization: Should you require any special modifications, such as adjusted ratios or enhanced features, kindly inform us at your convenience. We readily accept custom orders to align with your specific needs.
Core Advantages and Technical Features
The EP-SF11 gearbox leverages advanced engineering for efficient power transfer in rigorous agricultural tasks. Its cast iron housing combined with alloy steel gears delivers exceptional corrosion resistance and structural integrity, sustaining reliable performance in dusty or humid field settings.
Performance-wise, this gearbox facilitates detailed adjustments to spreading rates tailored to soil and crop specifics, enabling accurate material placement. Its synchronized disc system averts clumping, promoting consistent application. Furthermore, the streamlined lubrication setup works with standard SAE 90EP oil, ensuring gear fluidity and curtailing operational interruptions.
This gearbox also prioritizes eco-friendly attributes via dual overlap patterns that cut down on fertilizer overlap, curbing waste and mitigating soil contamination hazards. Its speed modulation capability accommodates various particle sizes, from fine powders to coarse granules, advancing comprehensive agricultural sustainability.

Product Applications
In field fertilization, the EP-SF11 gearbox aids extensive grain crop cultivation, such as for corn or wheat, by permitting variable widths to lessen overlap, thereby curbing environmental footprint and augmenting yields. It merges effortlessly with tractor PTO systems, suited for peak-season intensive operations, and refines nutrient uptake to bolster crop vitality.
Pasture upkeep marks another essential role, where the gearbox oversees soil enhancer dissemination with accuracy to encourage balanced turf development. Its sturdy framework navigates uneven landscapes, alleviating soil compaction and endorsing eco-conscious ranching, while aiding fertility restoration in livestock-heavy zones.
Within orchard management, the gearbox refines nutrient provision to tree root areas through reduced-speed configurations for focused delivery, evading over-application. Its adaptability pairs with diverse spreader variants, fitting compact planting layouts, and heightens fruit caliber and yield efficiency while trimming chemical residues to align with organic protocols.

Maintenance and Troubleshooting
Step One: Regularly inspect lubricant levels after every 100 hours of operation, using a torque wrench to confirm housing bolts are secure, and replenish with SAE 90EP oil to avert gear abrasion. This routine safeguards internal components from frictional damage, extending overall durability.
Step Two: Clear external contaminants like soil or fertilizer residues with a soft brush and neutral cleaner, steering clear of high-pressure washes to prevent seal breaches. Concurrently, examine the PTO shaft linkage for any looseness or wear indicators.
Step Three: For abnormal noise, disconnect power and disassemble the gear assembly to identify lodged debris or bearing misalignment. If found, substitute with genuine parts and reassemble, ensuring alignment precision within 0.1mm.
Step Four: Address oil leaks by pinpointing the source, often deteriorated seals. Post-replacement, conduct a 10-minute test run to verify no seepage, and log oil volumes for ongoing monitoring.
Step Five: Overheating issues from overload require reducing spread rates or inspecting ventilation paths. If persistent, professionally assess bearing wear using infrared thermography to confirm temperatures stay below 80°C.
Complementary Products
We not only offer tagricultural gearboxes but also supply a range of matching accessories for seamless integration and optimized power transmission in agricultural applications. These include agricultural PTO shafts, with customizable lengths to fit round baler or harvester interfaces, reducing vibration and enhancing torque transfer efficiency.
Additionally, we provide complementary agricultural chains and sprockets for reliable linkage in drive systems, ensuring smooth rotation and load distribution under heavy-duty conditions. Bearings and seals are available in various grades to prevent leakage and minimize friction, extending gearbox lifespan by up to 25% when paired with proper lubrication.
Our agricultural belts and pulleys offer flexible power routing for comprehensive setups, which is ideal for variable speed adjustments in baling operations. Customers can benefit from one-stop purchasing to simplify assembly, improve overall farm machinery durability, and reduce maintenance costs in high-load scenarios. Contact us today to explore other suitable products tailored to your specific agricultural gearbox needs, and our team will provide expert recommendations within 24 hours.

Reasons to Choose Us
Mature Technology and Technical Expertise: We integrate advanced foreign technologies with state-of-the-art equipment, backed by a professional management team and comprehensive production processes. Compliance with ISO9001/TS16949 standards ensures consistent product quality, facilitated by facilities such as CNC lathe workshops, grinding centers, heat treatment machines, and 3D measurement tools.
Strong Reputation and Market Leadership: Prioritizing quality and prestige, the company has built enduring relationships with domestic and international clients. Approximately 80% of products are exported to markets including the United States, Germany, Japan, Italy, Malaysia, Australia, and the Middle East, earning consistent praise. This global presence underscores its role as a benchmark for excellence in manufacturing and supply.
Large-Scale Production Capacity: As an industrial conglomerate with multiple subsidiaries, we have evolved from single-product offerings to integrated system solutions. This expansive structure enables high-efficiency production across diverse domains, supported by a robust global marketing network.
Support for Customization and Provision of Samples: We excel in tailoring products to client specifications, crafting bespoke solutions based on individual designs to meet unique operational requirements. We provide access to product catalogs and machine lists upon request, facilitating informed decision-making. While specific sample policies may vary by product, the emphasis on client collaboration implies readiness to supply prototypes or samples for evaluation.
These attributes collectively position EVER-POWER as a preferred choice for professionals seeking dependable, high-performance solutions in agricultural gearboxes and related components. For further details, direct consultation with us is recommended.
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FAQ
Q: What is the primary function of the Double Disc Fertilizer Spreader Gearbox?
A: It converts tractor power into dual-disc spreading action, ensuring even fertilizer distribution for better agricultural outcomes.
Q: How to select a suitable replacement gearbox for a double disc spreader?
A: Match it to tractor power and spreader model, like EP-SF11 for 40-60 HP units, focusing on gear ratios and shaft types.
Q: How to maintain the EP-SF11 gearbox in humid conditions?
A: Clean exterior dust regularly, apply anti-corrosive lubricant, and inspect seals quarterly to prevent rust.
Q: If the fertilizer spreader gearbox troubleshooting shows uneven spreading, what should to do?
A: Inspect for disc blockages, adjust output torque, or verify PTO shaft connection stability.
Q: How to verify agricultural gearbox for the fertilizer spreader is installed correctly?
A: During test runs, check for the absence of vibrations and noise, ensuring the output shaft syncs with the discs.
Q: What tools are needed for maintaining a double-disc agricultural gearbox?
A: Basic wrenches, grease guns, and torque wrenches suffice; use original parts for professional repairs.
Q: How to optimize the gearbox in orchard applications?
A: Set the spread width to 4-6 meters, using low-speed gears for precise root zone coverage.
Q: If oil leaks in the broadcast spreader gearbox, how can it be quickly fixed?
A: Halt operation, clean the leak area, replace seals, and refill oil to avoid further issues.
Q: Why opt for a durable ep-sf11 fertilizer gearbox?
A: Its cast-iron build and alloy gears ensure extended life, ideal for intensive farming settings.
Q: How does the gearbox gear ratio impact spreading efficiency?
A: Optimized ratios adjust speeds for uniform distribution, adapting to varied crop needs.
Q: What tractor types is EP-SF11 compatible with?
A: Primarily PTO-driven 40-60 HP tractors, supporting standard 1-3/8″ Z6 shafts.
Q: How to handle gearbox overheating?
A: Reduce load, check bearings, and ensure proper ventilation; seek support if unresolved.
Q: What material types does this gearbox support?
A: Suitable for granular fertilizers, seeds, lime, or soil conditioners, enabling versatile applications.
Customer Reviews
⭐⭐⭐⭐⭐ R****k, Farm Manager at GreenFields Agro, USA
The fast shipping ensured we didn’t lose any time during planting season, and the sturdy build has held up well under heavy use without needing frequent repairs.
⭐⭐⭐⭐⭐ M****a, Operations Lead at TerraFarm Solutions, Brazil
Customer service was exceptionally responsive when I had questions about installation, and the high-quality materials used mean less downtime for maintenance.
⭐⭐⭐⭐⭐ T****s, Equipment Technician at HarvestPro Inc., Australia
Arrived quicker than expected, allowing us to resume operations immediately. The precision engineering reduces wear and tear, extending its lifespan significantly.
⭐⭐⭐⭐⭐ L****n, Agricultural Engineer at CropMasters Ltd., Canada
The team’s helpful attitude made the ordering process smooth, and this unit’s reliable performance has improved our efficiency without constant upkeep.
⭐⭐⭐⭐⭐ P****o, Site Supervisor at AgriTech Ventures, Italy
Delivery was prompt, fitting perfectly into our tight schedule. Its durable construction saves us on long-term costs by minimizing the need for replacements.
⭐⭐⭐⭐⭐ K****m, Field Operations Manager at FarmLink Enterprises, South Africa
Excellent support from the sales staff who guided us through specs, and the robust design ensures it withstands tough conditions with minimal servicing.
⭐⭐⭐⭐⭐ J****e, Maintenance Coordinator at SoilSolutions Co., UK
The quick turnaround on delivery kept our workflow uninterrupted, and the superior craftsmanship means we’re spending less time on fixes and more on productivity.
⭐⭐⭐⭐⭐ A****d, Production Head at AgroDynasty Group, Mexico
Service was professional and attentive throughout, and the item’s solid build quality has proven to be a time-saver by reducing maintenance requirements.





