The Rotary Mower Gearbox LF-139A, engineered by TEBSA in Argentina, is a vital component for rotary mowers, channeling power from the engine to the blades with precision. Since 1997, TEBSA has delivered reliable agricultural gearboxes with a 100% quality guarantee, and the LF-139A is no exception. Designed for durability and efficiency, it’s built to handle the demands of lawn maintenance, pasture management, and crop residue cutting across Argentina’s diverse landscapes, from the Pampas plains to Córdoba’s rolling fields.

This gearbox houses high-quality gears and bearings that slow the engine’s speed while amplifying torque, enabling the mower to slice through thick grass, weeds, or crop stubble effortlessly. Its robust construction, featuring alloy steel and advanced forging techniques, ensures long-lasting performance even in tough conditions. With a 50% cost advantage over competing brands, the LF-139A offers Argentine farmers and landscapers a dependable, budget-friendly solution.

Beyond power transfer, the LF-139A includes practical features like a clutch system to engage or disengage blades safely and a gear reduction mechanism to adjust speeds for varying terrains—whether it’s dense pasture or uneven farmland. Regular maintenance, such as lubricating gears and checking seals, keeps it running smoothly, and TEBSA’s technical team responds within 24 hours to support your needs.

Specifications of the Rotary Mower Gearbox LF-139A

Why Choose the LF-139A for Your Mowing Needs

The LF-139A rotary mower gearbox delivers unmatched performance for Argentina’s farmers, landscapers, and agricultural businesses. Here’s what sets it apart:

Optimized Power Delivery: With gear ratios of 1.50 and 1.20, it adjusts engine speed to maximize blade torque—cutting through soybean residue or thick pasture in Buenos Aires with ease. Its 66 kW power rating handles demanding tasks without strain.

Rugged Build: Made from alloy steel and treated with carbonitriding, the LF-139A resists wear and corrosion, even in Argentina’s humid summers or dusty plains. The cast iron housing absorbs shocks from uneven ground, protecting internal components.

Versatile Applications: Whether maintaining public parks in Rosario or clearing wheat stubble in Santa Fe, this gearbox adapts to various mowers and terrains. Its clutch lets you stop blades safely, while gear reduction suits different grass types.

Cost Savings: TEBSA’s LF-139A costs 50% less than many original brands, delivering premium quality at a price that fits Argentine budgets. Fewer repairs mean more uptime for your operation.

Easy to Maintain: Check the oil, grease the bearings, and inspect seals regularly—it’s that simple. TEBSA’s ISO9001-2015 certified processes ensure every part, from gears to seals, is replaceable and reliable.

Local Support: Our Argentina-based team responds within 24 hours, offering advice or spare parts to keep your mower running. From prototype to production, we’ve got you covered.

Technical Features Breakdown

To give you a clearer picture, here’s a detailed look at the LF-139A’s technical strengths:

Applications in Argentine Agriculture and Beyond

The LF-139A rotary mower gearbox shines across a range of uses, making it a go-to choice for Argentina’s agricultural and landscaping sectors. In the fields of Mendoza, it powers mowers clearing vineyard undergrowth, ensuring clean rows for grape harvests. In the Pampas, farmers rely on it to manage pasture for cattle grazing or cut corn stalks after harvest. Its torque of up to 755 Nm at 540 rpm makes quick work of dense vegetation, while the 509 Nm at 1000 rpm option suits lighter tasks like lawn care in urban Buenos Aires.

This gearbox fits various rotary mowers, from small tractor-mounted units to larger commercial models. Its hub connection and shaft options (1'' 3/8 Z6 or 1'' 3/4 Z20) ensure compatibility with most PTO-driven equipment. For landscapers in Córdoba maintaining sports fields or public parks, the LF-139A’s gear reduction lets them switch speeds to handle fine grass or overgrown patches without bogging down.

In Argentina’s soybean and wheat-driven economy, residue management is critical. The LF-139A helps farmers chop stubble into mulch, improving soil health and preparing fields for the next planting. Its durability suits the country’s varied climates, from the humid northeast to the arid west, where dust and heat test equipment daily. For buyers searching online for “reliable rotary mower gearbox in Argentina” or “affordable farm gearbox supplier,” TEBSA’s LF-139A delivers value and performance.

Maintenance is straightforward but essential. Check the oil level every 50 hours, use high-quality gear oil, and inspect seals for leaks. Worn bearings or gears? TEBSA’s fast prototyping and production mean replacements are quick and precise. This focus on upkeep ensures the LF-139A stays productive season after season, whether you’re a small farmer in Santa Fe or a contractor in Rosario.

Why Maintenance Matters

Neglecting your gearbox can lead to downtime, and in Argentina’s busy planting and harvest seasons, that’s a risk you can’t take. Here’s a quick maintenance checklist:

Lubrication: Use SAE 80W-90 oil, checking levels monthly.
Seal Inspection: Look for cracks or leaks every 100 hours.
Bearing Check: Listen for unusual noises, signaling wear.
Clutch Test: Ensure smooth engagement before each use.
Cleaning: Clear debris from the housing after mowing.

By sticking to this routine, you’ll extend the LF-139A’s life and keep your mower cutting cleanly, whether tackling grass in a city park or stubble in a soybean field.

Acerca de TEBSA y nuestras soluciones agrícolas

Since 1997, TEBSA has been Argentina’s trusted name in agricultural gearboxes, rooted in a commitment to quality and innovation. Based in Argentina, we combine decades of manufacturing expertise with a customer-first approach, offering a 100% quality guarantee on every order. Our ISO9001-2015 certification reflects our precision, from forging alloy steel to assembling gearboxes that withstand Argentina’s toughest farms. With a 50% cost advantage over many competitors, we help farmers and businesses save without sacrificing performance. Our talented engineering team responds within 24 hours, ensuring you’re never left waiting.

The LF-139A is just one part of our lineup. We also supply:
Cajas de engranajes para cortadoras rotativas: como la RC-61, para cortes pesados.
Cajas de engranajes para esparcidores de fertilizantes: para una distribución uniforme de nutrientes.
Post Hole Digger Gearboxes: For fencing and planting.
Flail Mower Gearboxes: For shredding crop residue.
PTO Shafts: Connecting tractors to implements securely.

Whether you’re in Buenos Aires, Mendoza, or the Pampas, TEBSA’s solutions power your work. Looking for a “rotary mower gearbox supplier in Argentina” or “durable farm equipment parts”? Contáctenos today to explore our range and see how we can support your operation.

Ready to Power Your Mower?

The LF-139A rotary mower gearbox is built for Argentina’s fields, lawns, and farms. Extender la mano to TEBSA for pricing, specs, or advice—our team is here to help you cut smarter and save more.