Fertilizer Spreader Gearbox – Replacement of Comer Code L-25A
The L-25A fertilizer spreader gearbox, crafted by TEBSA in Argentina, is a vital component for farmers looking to spread fertilizer evenly across vast fields. Since 1997, TEBSA has honed its expertise as a trusted manufacturer, delivering durable, high-performance gearboxes with a 100% quality guarantee. Designed to attach to fertilizer spreaders, the L-25A ensures precise distribution, boosting crop yields in Argentina’s fertile regions like the Pampas. Its rugged build handles the tough conditions of agricultural work, from soybean fields in Córdoba to wheat farms in Buenos Aires.
Made with premium aluminum and precision-engineered components, the L-25A stands up to heavy loads and harsh environments. Powered by a tractor’s PTO shaft, it drives the spreader to scatter fertilizer smoothly as equipment moves. With a 50% cost advantage over original brands, this gearbox is a smart choice for farmers aiming to maximize efficiency without breaking the bank. Whether you’re tending to large-scale crops or smaller plots, the L-25A delivers reliability you can trust.
Specifications of the L-25A Fertilizer Spreader Gearbox
Product Description | Fertilizer Spreader Gearbox – Replacement of Comer Gearbox L-25A |
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Product details |
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Application range |
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Consists of |
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Contains oil | No |
Max. oil capacity | 0.35 l |
Max. oil change interval | 500 h |
Oil SAE viscosity grade | 80W-90 |
Housing material | Aluminium |
Weight | 4.2 kg |
Input power kW / HP Increasing | 5 / 6.8 kW/HP |
Input power KW / HP Reducing | 2.2 / 3 kW/HP |
Output Torque DaNm Increasing | 2.9 daNm |
Ratio Increasing | 1 : 3 |
Ratio Reducing | 3:1 |
Input shaft | X |
Shaft X | 25 h6 |
Shaft Z | 25 h6 |
Why Choose the L-25A for Fertilizer Spreading in Agriculture
The L-25A fertilizer spreader gearbox is a game-changer for Argentine farmers who need reliable equipment to nourish crops like soybeans, corn, and wheat. Its lightweight aluminum housing, weighing just 4.2 kg, makes it easy to mount on spreaders without adding bulk. The gearbox’s freewheeling clutch ensures smooth operation, preventing jams during high-speed spreading. With a maximum oil capacity of 0.35 liters and a recommended 80W-90 viscosity oil, it’s built for low-maintenance performance.
TEBSA’s engineering shines in the L-25A’s gear ratios—1:3 for increasing and 3:1 for reducing—offering flexibility for different spreading tasks. Whether you’re covering a small plot or a sprawling field in Rosario, the gearbox delivers consistent torque (up to 2.9 daNm) to scatter fertilizer evenly. This precision reduces waste and ensures crops get the nutrients they need, boosting yields in Argentina’s competitive agricultural market.
Farmers value the L-25A for its versatility. Beyond fertilizer spreaders, it powers mowers and band saws, making it a multi-purpose tool for rural operations. Its ability to handle chemical fertilizers suits Argentina’s intensive farming, where crops demand regular feeding. TEBSA’s 50% cost advantage over competitors like Comer means you get premium quality without the premium price, backed by a team that responds to inquiries within 24 hours.
Feature | Benefit | Application |
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Aluminum Housing | Lightweight, corrosion-resistant | Long-term use in humid Pampas fields |
Freewheeling Clutch | Prevents jams, smooth operation | High-speed fertilizer spreading |
Dual Gear Ratios | Adapts to various tasks | Fertilizer spreading, mowing, sawing |
Applications and Performance in Argentine Farming
The L-25A fertilizer spreader gearbox thrives in Argentina’s diverse agricultural landscape. In the Pampas, where soybeans and corn dominate, it ensures even fertilizer distribution to maximize soil fertility. Farmers in Mendoza, tending vineyards, rely on its precision to nourish grapevines without over-application. Its 5 kW (6.8 HP) input power for increasing ratios suits larger tractors, while the 2.2 kW (3 HP) reducing option fits smaller setups, making it versatile for farms of all sizes.
The gearbox’s durability comes from TEBSA’s advanced manufacturing, using techniques like precision forging and surface treatments to resist wear. Its aluminum body shrugs off corrosion, a must in Argentina’s humid climates. The L-25A’s design minimizes downtime, letting farmers focus on planting and harvesting rather than repairs. For online buyers searching “fertilizer spreader gearbox in Argentina,” the L-25A stands out as a reliable, cost-effective choice.
Maintenance is straightforward. Fill it with 0.35 liters of 80W-90 oil before use, change it after 50-70 hours, then every 500-700 hours or yearly. This schedule keeps the gearbox running smoothly, even during peak seasons. The L-25A’s compatibility with PTO shafts ensures seamless integration with most tractors, a critical feature for Argentina’s mechanized farms.
Crop Type | Region | L-25A Benefit | Keyword Focus |
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Soybeans | Córdoba | Even nutrient spread | Soybean fertilizer gearbox |
Corn | Santa Fe | High torque for large fields | Corn farming gearbox Argentina |
Wheat | Buenos Aires | Low maintenance | Wheat field spreader gearbox |
Maintenance and Installation Tips for the L-25A
To get the most out of your L-25A fertilizer spreader gearbox, follow these practical steps. Before installation, check the PTO shaft alignment to avoid stress on the 25 h6 input and output shafts. Secure the gearbox to the spreader with proper mounts to handle vibrations in rough fields. Fill it with 80W-90 oil to the 0.35-liter mark, ensuring no leaks before starting.
Regular checks are key. After 50-70 hours, drain and replace the oil to remove initial debris. Then, swap it every 500-700 hours or annually to maintain performance. Inspect the freewheeling clutch for wear, especially during heavy use in Argentina’s peak seasons. TEBSA’s engineering team is available within 24 hours to answer questions, ensuring you’re never stuck.
For online buyers searching “buy fertilizer spreader gearbox online Argentina,” the L-25A’s easy setup and low upkeep make it a top pick. Its aluminum construction resists rust, ideal for humid regions like Entre Ríos. By keeping the gearbox lubricated and aligned, you’ll extend its life and keep your farm running smoothly.
About TEBSA and Our Agricultural Solutions
Since 1997, TEBSA has been a leading name in Argentina’s agricultural equipment market, offering gearboxes and PTO shafts that power farms across the Pampas and beyond. Based in Argentina, we pride ourselves on a 100% quality guarantee, a 50% cost advantage over original brands, and a skilled team that responds within 24 hours. Certified to ISO9001-2015, we use advanced techniques like forging, carburization, and surface blackening to craft products that last.
Beyond the L-25A fertilizer spreader gearbox, TEBSA offers a wide range of agricultural solutions:
- Rotary Cutter Gearboxes: Like the RC-61, perfect for heavy-duty mowing.
- Post Hole Digger Gearboxes: Built for precise digging in tough soils.
- Rotary Tiller Gearboxes: Ideal for soil preparation in corn and wheat fields.
- Flail Mower Gearboxes: Designed for rugged pasture management.
- PTO Shafts: Reliable power transfer for various farm implements.
Whether you’re in Buenos Aires or Mendoza, TEBSA is your trusted partner for agricultural gearboxes. Contact us to explore our full range and find the perfect solution for your farm.
About us

We guarantee top-quality products at the best prices in China! Special orders are welcome, and if you’re interested in any of our products, feel free to reach out for more detailed information. We ensure our products are safe, high-quality, and reasonably priced. Please contact us as soon as possible if you’d like to learn more. We’re eager to cooperate with you!
A large portion of our products is exported to Europe and the Americas, with both standard and custom options available. We can manufacture according to your drawings or samples, using standard materials or as per your specific requirements. Choosing us means choosing reliability.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request

Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port

Industries We Service
