EP-C3A-Feed Mixer Machine Gearbox Replacement of Comer Code

Feed Mixer Machine Gearbox EP-C3A

High-Performance Replacement for Comer Code C-3A | Engineered for Mixing Wagon Applications

2. Five Key Advantages of This Feed Mixer Machine Gearbox

3. What is a Feed Mixer Machine Gearbox and Why Choose This Model?

Understanding what is a feed mixer gearbox begins with recognizing its fundamental role in agricultural feed processing systems. A feed mixer gearbox functions as the critical power transmission component between the tractor’s PTO (Power Take-Off) shaft and the mixing mechanism within feed wagons or stationary mixers. This mechanical device converts high-speed, low-torque rotation from the tractor engine into the lower speed, higher torque output necessary for effective feed blending operations. The EP-C3A Feed Mixer Machine Gearbox model specifically addresses the demanding requirements of modern livestock operations across Brazil’s extensive agricultural regions, where reliable equipment performance directly impacts production efficiency and animal nutrition outcomes.

The question of why choose a feed grinder mixer gearbox of this caliber comes down to operational reliability and total cost of ownership. Brazilian farmers and agricultural enterprises operating in states like Mato Grosso, Goiás, Paraná, and Rio Grande do Sul require equipment capable of withstanding tropical climate conditions, extended daily operation periods, and variable load conditions. This gearbox delivers consistent performance across these challenging parameters while offering direct replacement compatibility for existing Comer-equipped machinery. The substantial 100 kg construction provides the mass and structural integrity necessary for absorbing operational vibrations and shock loads commonly encountered during feed mixing operations involving hay, silage, grains, and mineral supplements.

4. Working Principle: How Does a Feed Mixer Machine Gearbox Work?

The operational mechanics of this gearbox follow established principles of rotational power transmission optimized for agricultural applications. Power enters the gearbox through the input shaft, which features a 1-3/4 inch Z20 spline connection designed for universal PTO compatibility. The tractor’s engine generates rotational energy that travels through the PTO driveline and enters the gearbox housing. Inside the precision-machined housing, a series of helical and spur gears work together to modify the rotational characteristics according to the designated gear ratio. This mechanical transformation is essential for matching the high-speed PTO output to the specific requirements of feed mixing augers and paddles.

Within the gear train, the reducing ratio of 1.28/2.3:1 converts the incoming rotation into output characteristics suitable for mixing operations. The primary reduction stage employs hardened steel gears with precisely ground tooth profiles that ensure smooth power transfer while minimizing energy losses through friction and heat generation. High-quality sealed bearings support all rotating components, maintaining precise shaft alignment under variable load conditions. The output shaft extends from the gearbox housing to connect directly with the mixing wagon’s auger drive system, delivering the controlled rotational force necessary for thorough ingredient blending. Proper lubrication using 80W-90 SAE viscosity grade oil ensures all internal components operate within optimal temperature ranges during extended operation periods common in Brazilian agricultural settings.

5. Feed Mixer Machine Gearbox Parts and Structural Components

Understanding the gearbox parts and their functions enables operators to perform effective maintenance and troubleshooting. The EP-C3A Feed Mixer Machine Gearbox consists of seven primary structural components that work together to facilitate reliable power transmission for mixing wagon applications. Each component has been engineered to withstand the demanding operational conditions encountered in Brazilian agricultural environments.

The housing serves as the outer casing that encloses and protects all internal components. Manufactured from high-grade cast iron GG25, this structural element provides exceptional rigidity while maintaining precise alignment of the gear train under variable loading conditions. The input shaft receives rotational power from the tractor PTO through a 1-3/4 inch Z20 spline connection, transmitting this energy to the primary gear set. Multiple precision-machined gears, including both spur and helical configurations, work together to achieve the designated reduction ratio while minimizing noise and vibration. The output shaft extends from the gearbox to connect with the mixing mechanism, delivering modified rotational force to augers or paddles. Tapered roller bearings support all rotating components, reducing friction and enabling smooth operation throughout the service life. A comprehensive lubrication system including oil seals, channels, and reservoirs ensures adequate lubricant reaches all moving parts. The mounting flange provides secure attachment to the feed mixer frame while maintaining proper alignment with PTO driveline components.

6. Premium Material Quality for Brazilian Agricultural Conditions

Material selection for this gearbox reflects the demanding requirements of agricultural operations across Brazil’s diverse climate zones. The housing utilizes GG25 grade cast iron, providing exceptional strength-to-weight ratio along with excellent vibration damping characteristics essential for reducing operational noise in livestock feeding facilities. This material resists cracking under shock loads and maintains dimensional stability across the wide temperature range encountered from southern Brazil’s cooler climates to the tropical conditions of Mato Grosso and northern agricultural regions.

Internal gears are manufactured from 20CrMnTi alloy steel, a chromium-manganese-titanium composition specifically developed for high-stress power transmission applications. These gears undergo case hardening treatment to achieve surface hardness between HRC 58-62 while maintaining a tough, ductile core that resists fatigue failure. Shaft components utilize 42CrMo alloy steel with appropriate heat treatment for optimal balance of strength and machinability. All bearing positions employ heavy-duty tapered roller bearings rated for agricultural service, featuring enhanced sealing to prevent contamination from dust and moisture prevalent in feed mixing environments. Double-lip NBR oil seals provide reliable lubricant retention while excluding external contaminants, extending component service life in the challenging conditions faced by operators seeking a feed mixer gearbox for sale nearby their Brazilian agricultural operations.

7. Application Scenarios for Feed Mixer Machine Gearbox

8. International Standards and Regulatory Compliance

This feed mixer machine gearbox has been engineered to comply with applicable standards and regulations governing agricultural machinery across multiple markets. For Brazilian operations, the gearbox meets requirements established under PROCONVE MAR-1 and Resolution 433 (2011) of the National Environmental Council (CONAMA), which sets emission and noise limits for agricultural machinery. Testing follows NBR-NM-ISO 6395 protocols for sound power measurement, ensuring compliance with maximum permissible levels specified for agricultural equipment operating in Brazilian territories. The LCVM (Licença para Uso da Configuração de Veículo ou Motor) certification process confirms regulatory compliance for domestic sales and installation.

For international markets, particularly European Union member states, this gearbox complies with the essential health and safety requirements outlined in EU Machinery Directive 2006/42/EC. Manufacturing processes follow ISO 9001:2015 quality management system standards, with technical documentation prepared according to Annex VII requirements. The design incorporates risk assessment outcomes as specified in ISO 12100:2010 for machine safety principles. Additionally, the gearbox meets ISO 4254-1 safety requirements for agricultural machinery design and construction. For South American markets beyond Brazil, compatibility with regional standards including MERCOSUR technical regulations ensures broad market acceptance throughout Argentina, Uruguay, Paraguay, and other regional agricultural economies.

9. About Our Manufacturing Excellence

Our manufacturing facility represents decades of accumulated expertise in agricultural gearbox production, combining traditional engineering principles with modern CNC machining technology and rigorous quality control protocols. The production team includes experienced mechanical engineers and skilled technicians who understand the specific demands placed on equipment operating in Brazilian and South American agricultural environments. Every gearbox undergoes comprehensive testing before shipment, including load testing, noise measurement, and dimensional verification to ensure consistent quality across production runs.

Quality assurance protocols align with ISO 9001:2015 management system requirements, providing traceability from raw material procurement through final assembly and testing. Our engineering department maintains current knowledge of international standards including ISO 4254 for agricultural machinery safety, EU Machinery Directive requirements, and Brazilian regulatory frameworks.

Workshop

10. Complete System Solutions: Related Products

Achieving optimal feed mixer performance requires proper component integration throughout the power transmission system. We provide complementary products designed to work seamlessly with the EP-C3A Feed Mixer Machine Gearbox, offering one-stop sourcing convenience for agricultural equipment distributors and end users across Brazil and South America.

Frequently Asked Questions