{"id":1737,"date":"2026-04-15T05:07:49","date_gmt":"2026-04-15T05:07:49","guid":{"rendered":"https:\/\/agricultural-gearbox.net\/?post_type=product&p=1737"},"modified":"2026-04-15T05:07:49","modified_gmt":"2026-04-15T05:07:49","slug":"ep-c3a-feed-mixer-machine-gearbox-replacement-of-comer-code","status":"publish","type":"product","link":"https:\/\/agricultural-gearbox.net\/pt\/product\/ep-c3a-feed-mixer-machine-gearbox-replacement-of-comer-code\/","title":{"rendered":"EP-C3A-Feed Mixer Machine Gearbox Replacement of Comer Code"},"content":{"rendered":"
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Feed Mixer Machine Gearbox EP-C3A<\/h2>\n

High-Performance Replacement for Comer Code C-3A | Engineered for Mixing Wagon Applications<\/p>\n<\/div>\n

1. Technical Specifications of Feed Mixer Machine Gearbox<\/h2>\n
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Parameter<\/th>\nSpecification<\/th>\nStandard\/Notes<\/th>\n<\/tr>\n<\/thead>\n
Model Designation<\/td>\nEP-C3A<\/td>\nReplacement of Comer Code C-3A<\/td>\n<\/tr>\n
Pot\u00eancia de Entrada Nominal<\/td>\n110 kW \/ 150 HP<\/td>\nMaximum continuous operation<\/td>\n<\/tr>\n
Gear Ratio (Reducing)<\/td>\n1.28\/2.3:1<\/td>\nOptimized for mixing applications<\/td>\n<\/tr>\n
Input Shaft Configuration<\/td>\n1-3\/4″ Z20 Spline<\/td>\nUniversal PTO compatibility<\/td>\n<\/tr>\n
Unit Weight<\/td>\n100 kg<\/td>\nWithout oil charge<\/td>\n<\/tr>\n
Oil Viscosity Grade<\/td>\nSAE 80W-90<\/td>\nEP gear oil recommended<\/td>\n<\/tr>\n
Oil Capacity<\/td>\n4.5 Liters<\/td>\nOrder separately<\/td>\n<\/tr>\n
Material de Constru\u00e7\u00e3o<\/td>\nCast Iron GG25<\/td>\nHigh-strength construction<\/td>\n<\/tr>\n
Material da Engrenagem<\/td>\nA\u00e7o Liga 20CrMnTi<\/td>\nCase hardened, HRC 58-62<\/td>\n<\/tr>\n
Tipo de Rolamento<\/td>\nTapered Roller Bearings<\/td>\nHeavy-duty rated<\/td>\n<\/tr>\n
Tipo de Selo<\/td>\nDouble-lip Oil Seals<\/td>\nNBR material, dust protected<\/td>\n<\/tr>\n
Temperatura operacional<\/td>\n-20\u00b0C to +80\u00b0C<\/td>\nAmbient range<\/td>\n<\/tr>\n
N\u00edvel de ru\u00eddo<\/td>\n\u226478 dB(A)<\/td>\nPer NBR-NM-ISO 6395<\/td>\n<\/tr>\n
First Oil Change<\/td>\n50 Operating Hours<\/td>\nBreak-in period<\/td>\n<\/tr>\n
Subsequent Oil Changes<\/td>\n500-800 Hours<\/td>\nOr twice annually<\/td>\n<\/tr>\n
Configura\u00e7\u00e3o de Montagem<\/td>\nFlange Mount<\/td>\nDirect replacement pattern<\/td>\n<\/tr>\n
Overall Dimensions (L\u00d7W\u00d7H)<\/td>\n420 \u00d7 380 \u00d7 350 mm<\/td>\nExcluding shaft extensions<\/td>\n<\/tr>\n
Output Shaft Diameter<\/td>\n50 mm<\/td>\nKeyed connection<\/td>\n<\/tr>\n
Classifica\u00e7\u00e3o de Efici\u00eancia<\/td>\n\u226596%<\/td>\nAt rated load<\/td>\n<\/tr>\n
Quality Certification<\/td>\nISO 9001:2015<\/td>\nCE marking available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\"agricultural-gearbox-products-EP-C3A-Feed
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2. Five Key Advantages of This Feed Mixer Machine Gearbox<\/h2>\n
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1. Direct Comer C-3A Compatibility<\/h3>\n

This feed mixer machine gearbox for sale provides seamless bolt-on replacement for original Comer brand equipment. Compatible with leading machinery brands including Aksa, DAF Agro, Falke Maschinenbau, Euromilk, and Metal-Fach, eliminating the need for costly modifications or adapter components during installation on your vertical feed mixer or stationary feed mixer systems.<\/p>\n<\/div>\n

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2. Heavy-Duty Power Transmission<\/h3>\n

Engineered to handle input power ratings up to 110 kW (150 HP), this gearbox delivers the substantial torque required for efficient feed blending operations. The robust gear ratio configuration of 1.28\/2.3:1 optimizes rotational speed conversion, ensuring vertical animal feed mixer applications receive consistent mechanical power throughout demanding production schedules.<\/p>\n<\/div>\n

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3. Premium Material Construction<\/h3>\n

Cast iron housing combined with hardened steel gears provides exceptional resistance to operational stress and environmental conditions prevalent in Brazilian agricultural settings. The 100 kg solid construction withstands continuous heavy-load operations while maintaining precise gear mesh alignment for extended service life across all feed mixer gearbox applications.<\/p>\n<\/div>\n

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4. Simplified Maintenance Protocol<\/h3>\n

Following ISO 6335 and ISO 281 technical standards, this feed mixer gearbox kit features accessible inspection ports and clearly marked lubrication points. Initial oil change recommended at 50 operating hours, with subsequent changes every 500-800 hours, reducing downtime and maintenance costs for agricultural operations throughout Brazil and neighboring regions.<\/p>\n<\/div>\n

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5. Brazilian Regulatory Compliance<\/h3>\n

Manufactured in accordance with PROCONVE MAR-1 standards and Resolution 433 of Brazil’s National Environmental Council (CONAMA), this gearbox meets emission and noise requirements for agricultural machinery operating in Brazilian territories. Additionally complies with ISO 4254 safety standards and EU Machinery Directive 2006\/42\/EC for international export compatibility.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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3. What is a Feed Mixer Machine Gearbox and Why Choose This Model?<\/h2>\n

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.<\/p>\n

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, Goi\u00e1s, Paran\u00e1, 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.<\/p>\n<\/div>\n

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4. Working Principle: How Does a Feed Mixer Machine Gearbox Work?<\/h2>\n

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.<\/p>\n

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.<\/p>\n<\/div>\n

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5. Feed Mixer Machine Gearbox Parts and Structural Components<\/h2>\n

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.<\/p>\n

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.<\/p>\n<\/div>\n

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6. Premium Material Quality for Brazilian Agricultural Conditions<\/h2>\n

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.<\/p>\n

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.<\/p>\n

\"agricultural-gearbox-products-EP-C3A-Feed<\/p>\n<\/div>\n

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7. Application Scenarios for Feed Mixer Machine Gearbox<\/h2>\n
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Dairy Cattle Operations<\/h3>\n

Large-scale dairy farms across Paran\u00e1, Minas Gerais, and Rio Grande do Sul utilize this gearbox in TMR (Total Mixed Ration) wagons for preparing balanced feed rations. The consistent mixing action ensures uniform distribution of silage, grain concentrates, minerals, and supplements, promoting optimal milk production and herd health across operations with hundreds to thousands of lactating cows.<\/p>\n<\/div>\n

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Beef Feedlot Applications<\/h3>\n

Brazilian beef production operations in Mato Grosso, Goi\u00e1s, and S\u00e3o Paulo states rely on vertical feed mixer systems equipped with this gearbox for efficient feed preparation. The high torque output handles dense feed mixtures containing corn silage, sorghum, and protein supplements essential for achieving optimal weight gain in finishing cattle destined for domestic and export markets.<\/p>\n<\/div>\n

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Swine Production Facilities<\/h3>\n

Modern swine operations throughout Santa Catarina and western Paran\u00e1 employ stationary feed mixer systems for preparing precisely formulated rations. This feed mixer gearbox provides the reliable power transmission necessary for blending corn, soybean meal, vitamins, and minerals into homogeneous feed that supports efficient growth rates and reproductive performance in breeding and finishing operations.<\/p>\n<\/div>\n

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Poultry Feed Processing<\/h3>\n

Feed mills and integrated poultry operations utilize this gearbox in mixing systems for preparing layer and broiler rations. The precision gear ratio ensures thorough blending of finely ground ingredients while the robust construction handles the continuous operation demands of high-volume poultry feed production facilities serving operations across multiple Brazilian states.<\/p>\n<\/div>\n

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Sheep and Goat Farms<\/h3>\n

Smaller ruminant operations in northeastern Brazil and Rio Grande do Sul employ compact vertical animal feed mixer systems for preparing rations suited to sheep and goat nutritional requirements. This gearbox delivers appropriate power output for smaller mixer capacities while maintaining the durability necessary for reliable service in remote agricultural locations with limited technical support availability.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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8. International Standards and Regulatory Compliance<\/h2>\n

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 (Licen\u00e7a para Uso da Configura\u00e7\u00e3o de Ve\u00edculo ou Motor) certification process confirms regulatory compliance for domestic sales and installation.<\/p>\n

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.<\/p>\n<\/div>\n

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9. About Our Manufacturing Excellence<\/h2>\n

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.<\/p>\n

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.<\/p>\n

Workshop<\/h3>\n
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10. Complete System Solutions: Related Products<\/h2>\n

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.<\/p>\n

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Agricultural PTO Shafts<\/h3>\n

Premium power take-off shafts engineered for reliable connection between tractors and feed mixer gearboxes. Available in various lengths with telescopic adjustment capability, universal joint articulation for angular operation, and safety shield coverage meeting ISO standards. Shear bolt and slip clutch protection options prevent gearbox damage from sudden overloads.<\/p>\n

\"Eixo<\/p>\n<\/div>\n

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Drive Chain and Sprockets<\/h3>\n

Industrial-grade roller chains and sprocket assemblies provide reliable secondary power transmission from gearbox output to mixer auger drives. Heat-treated alloy steel construction with precision pitch tolerances ensures smooth engagement and extended service life in demanding agricultural environments. Available in standard ANSI and metric configurations to match existing equipment specifications across various feed mixer designs used in Brazilian dairy and beef operations.<\/p>\n

\"Engrenagens\"<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Frequently Asked Questions<\/h2>\n
\nQ1. Where can I find a reliable feed mixer machine gearbox supplier in Brazil for my dairy operation?<\/strong><\/summary>\n

A1. Locating a dependable feed mixer machine gearbox supplier in Brazil involves evaluating factors including product quality certifications, compatibility with existing equipment brands, and after-sales technical support availability. The EP-C3A Feed Mixer Machine Gearbox offers direct replacement compatibility for Comer C-3A units used in popular mixer wagon brands throughout Brazilian dairy regions. Authorized distributors maintain inventory and technical expertise across major agricultural states including Paran\u00e1, Minas Gerais, Rio Grande do Sul, and Goi\u00e1s, providing local support for installation and maintenance requirements.<\/p>\n<\/details>\n

\nQ2. What maintenance schedule should I follow for a vertical feed mixer gearbox operating daily in tropical conditions?<\/strong><\/summary>\n

A2. Vertical feed mixer gearbox maintenance in tropical Brazilian conditions requires attention to lubricant condition and seal integrity due to elevated ambient temperatures and humidity levels. Initial oil change at 50 operating hours removes break-in debris, followed by regular changes every 500-800 hours or twice annually, whichever occurs first. Use SAE 80W-90 EP gear oil and check oil level weekly. Inspect seals monthly for leakage, clean breather vents to prevent moisture intrusion, and verify mounting bolt torque quarterly to maintain proper alignment under continuous operation conditions.<\/p>\n<\/details>\n

\nQ3. How do I select the right feed mixer gearbox replacement when upgrading from an older mixing wagon model?<\/strong><\/summary>\n

A3. Selecting the correct gearbox replacement requires matching several critical specifications including input shaft spline configuration, mounting bolt pattern dimensions, gear ratio requirements, and power capacity ratings. The EP-C3A Feed Mixer Machine Gearbox directly replaces Comer Code C-3A gearboxes used in Aksa, DAF Agro, Falke Maschinenbau, Euromilk, and Metal-Fach equipment without modifications. Document your existing gearbox model number, measure mounting dimensions, and verify PTO input specifications before ordering. Technical support can assist with cross-reference verification to ensure proper fit for your specific application.<\/p>\n<\/details>\n

\nQ4. Can this feed mixer gearbox be installed on a stationary feed mixer or only mobile mixing wagons?<\/strong><\/summary>\n

A4. This gearbox suits both stationary feed mixer installations and mobile mixing wagon applications. Stationary feed mixer for sale configurations typically connect the gearbox to electric motor drives or stationary engine power sources rather than tractor PTO systems. The universal mounting flange pattern and standard output shaft dimensions accommodate various drive configurations. Ensure proper alignment and coupling selection when adapting for stationary applications, and verify that power source output matches gearbox input requirements for optimal performance and component longevity.<\/p>\n<\/details>\n

\nQ5. What power capacity do I need when choosing a feed mixer gearbox for a large-scale beef feedlot operation?<\/strong><\/summary>\n

A5. Large-scale beef feedlot operations typically require feed mixer gearboxes rated for substantial power transmission to handle heavy feed mixtures and extended daily operation periods. The EP-C3A Feed Mixer Machine Gearbox provides 110 kW (150 HP) input capacity, suitable for mixing operations involving dense combinations of corn silage, whole grains, and mineral supplements. Consider mixer capacity, ingredient characteristics, and desired mixing speed when evaluating power requirements. Allow 15-20% power reserve above calculated requirements to accommodate peak loading conditions and maintain component longevity across thousands of operating hours.<\/p>\n<\/details>\n

\nQ6. How does the gear ratio affect mixing performance in different vertical animal feed mixer applications?<\/strong><\/summary>\n

A6. Gear ratio directly influences output shaft speed and torque characteristics, affecting how quickly and thoroughly vertical animal feed mixer augers blend ingredients. The EP-C3A Feed Mixer Machine Gearbox’s 1.28\/2.3:1 reducing ratio converts high-speed PTO input into lower-speed, higher-torque output suited for mixing dense feed materials. Lower output speeds prevent feed ingredient damage while higher torque handles heavy loads without motor strain. Match gear ratio to your specific mixing requirements, considering ingredient types, mixer capacity, and desired blending times to optimize nutritional consistency and operational efficiency.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

Editor: PXY<\/p>","protected":false},"excerpt":{"rendered":"

This Feed Mixer Machine Gearbox serves as a direct replacement of Comer Code C-3A, delivering exceptional reliability and performance in demanding livestock feeding operations. Agricultural professionals seeking a feed mixer gearbox replacement will find this unit meets and exceeds industry expectations for durability and operational efficiency. The precision-engineered internal components ensure smooth power transfer from PTO shafts to mixing augers, maintaining consistent feed blending performance throughout extended operational cycles.<\/p>","protected":false},"featured_media":1734,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2321],"product_tag":[],"class_list":{"0":"post-1737","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-feed-mixer-gearbox","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/product\/1737","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/comments?post=1737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/media\/1734"}],"wp:attachment":[{"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/media?parent=1737"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/product_brand?post=1737"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/product_cat?post=1737"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/agricultural-gearbox.net\/pt\/wp-json\/wp\/v2\/product_tag?post=1737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}