{"id":462,"date":"2026-01-14T01:26:19","date_gmt":"2026-01-14T01:26:19","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?post_type=product&p=462"},"modified":"2026-01-14T01:28:33","modified_gmt":"2026-01-14T01:28:33","slug":"pga-auger-planetary-gearbox-for-chain-driven-feed-mixers","status":"publish","type":"product","link":"https:\/\/planetary-gearboxes.com\/et\/toode\/pga-auger-planetary-gearbox-for-chain-driven-feed-mixers\/","title":{"rendered":"PGA Auger planetaarne k\u00e4igukast ketiga k\u00e4itatavatele s\u00f6\u00f6damikserite"},"content":{"rendered":"
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Toote \u00fclevaade<\/h2>\n

The PGA Series Auger Drive Planetary Gearbox represents the pinnacle of transmission engineering for the agricultural sector, specifically optimized to enhance the performance of Total Mixed Ration (TMR) feed mixers used extensively across South Korea. In the dynamic farming landscapes of Gyeonggi-do and Jeolla-do, where efficiency and equipment longevity are paramount, this gearbox serves as a superior alternative to traditional, maintenance-heavy kett<\/strong> and sprocket reduction systems. Engineered to handle the high-torque requirements of vertical and horizontal augers, the PGA Series integrates seamlessly with existing machine architectures, including those that utilize auxiliary kett<\/strong> drives for discharge conveyors. By replacing the primary kett<\/strong> reduction with a compact planetary module, operators can eliminate the common issues of chain stretch, tensioning maintenance, and noise, while significantly improving the torque density and reliability of their mixing operations. The gearbox is designed with a modular interface that supports direct coupling to hydraulic motors or PTO shafts, making it a versatile powerhouse for chopping silage, hay, and root crops typical in the Korean Hanwoo cattle diet. The elimination of open kett<\/strong> baths reduces the risk of oil contamination in the feed, a critical factor for maintaining herd health and milk quality.<\/p>\n

\u00a0 \u00a0\"PGA<\/p>\n

Beyond its primary function as an auger drive, the PGA Series is constructed to withstand the severe environmental conditions found in Korean agriculture, from humid monsoon summers to freezing winters. The robust housing features advanced sealing technologies, including a labyrinth seal that provides exceptional protection against dust, moisture, and the corrosive acids found in feed mixtures. This durability ensures that the internal gearing remains pristine, unlike exposed kett<\/strong> drives that corrode and wear rapidly. Furthermore, the gearbox is engineered to work in harmony with the broader feed mixer system, often acting as the central synchronization point for hydraulic pumps that power discharge ketid<\/strong> and loading belts. With torque ratings reaching up to 42,000 Nm continuously and peak capacities far exceeding that, the PGA Series provides the “break-away” force needed to start fully loaded mixers after long standstills\u2014a scenario where standard kett<\/strong> systems frequently fail. Whether integrated into a self-propelled mixer or a tractor-pulled wagon, this planetaarne k\u00e4igukast mootoriga<\/strong> compatibility ensures optimal power efficiency and reduced fuel consumption, aligning with South Korea\u2019s national initiatives for sustainable and energy-efficient farming practices.<\/p>\n<\/section>\n

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Tehnilised andmed ja j\u00f5udlusandmed<\/h2>\n

The selection of the correct gearbox is critical for ensuring the longevity and efficiency of feed mixing equipment. The PGA Series is designed with a wide range of ratios and torque capacities to suit various mixer sizes, from small farm wagons to large industrial biogas fermenters. The specifications below detail the performance characteristics of our core models, which are optimized to replace or work alongside kett<\/strong> drive systems. When designing a drivetrain, engineers can utilize a planetaark\u00e4igukasti kalkulaator<\/strong> to determine the precise reduction ratio required to match the auger speed with the input power source. This calculation is vital for ensuring that the gearbox delivers sufficient torque to chop dense bales without stalling, a common limitation of fixed-ratio kett<\/strong> drives. The PGA Series supports both low-speed high-torque applications and higher speed mixing, offering a versatility that rigid kett<\/strong> setups cannot match. Furthermore, proper sizing ensures that the gearbox operates within its thermal limits, preventing the overheating issues that often plague undersized gear sets in continuous duty cycles.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Tehniline parameeter<\/th>\nPGA-502<\/th>\nPGA-1002 \/ 1003<\/th>\nPGA-1602 \/ 1603<\/th>\nPGA-2502 \/ 2503<\/th>\nPGA-4203 \/ 4204<\/th>\n<\/tr>\n<\/thead>\n
Continuous Torque (Nm)<\/td>\n3,810<\/td>\n10,000<\/td>\n16,000<\/td>\n25,000<\/td>\n42,000<\/td>\n<\/tr>\n
Max. Peak Torque (Nm)<\/td>\n14,200<\/td>\n30,000<\/td>\n48,000<\/td>\n75,000<\/td>\n142,000<\/td>\n<\/tr>\n
Gear Ratio Range (i)<\/td>\n12.36 – 15.5<\/td>\n16.8 – 30.6<\/td>\n16.1 – 45.6<\/td>\n18.4 – 52.3<\/td>\n105.4 – 662.8<\/td>\n<\/tr>\n
Max Input Speed (RPM)<\/td>\n540<\/td>\n540 \/ 1000<\/td>\n2500<\/td>\n2500<\/td>\n2000<\/td>\n<\/tr>\n
Input Shaft Standard<\/td>\n1″3\/8 Z6<\/td>\n1″3\/4 Z20<\/td>\nSAE C \/ D<\/td>\nSAE C \/ D<\/td>\n1″3\/4 Z20 \/ SAE E<\/td>\n<\/tr>\n
Oil Capacity (L)<\/td>\n1.8<\/td>\n3.5<\/td>\n5.0<\/td>\n7.5<\/td>\n14.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Customization & Retrofit Note:<\/strong> The technical data provided above reflects our standard heavy-duty PGA models. These units are designed to be directly interchangeable with many hydraulic and mechanical gearboxes found on Korean feed mixers. However, we understand that retrofitting older machines often requires creative solutions. If you are replacing an obsolete kett<\/strong> reduction system and require a custom mounting flange, a specific output spline to match your auger, or a tailored input adapter for a hydraulic planetary gearbox<\/strong> configuration, please contact our engineering team. We can provide detailed drawings and use our planetaark\u00e4igukasti kalkulaator<\/strong> to ensure the new unit provides the exact torque and speed required for your specific feed density and mixer volume.<\/p>\n<\/section>\n

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Features and Advantages Over Chain Drives<\/h2>\n

Superior Torque Density and Reliability<\/h3>\n

The PGA Series planetary gearbox offers a quantum leap in performance compared to traditional kett<\/strong> drive systems. In a planetary arrangement, the torque load is distributed across multiple planet gears simultaneously, whereas a kett<\/strong> drive concentrates the entire load on a single link and sprocket tooth interface. This load-sharing capability allows the PGA gearbox to transmit massive amounts of torque\u2014up to 142,000 Nm peak\u2014in a compact footprint that fits easily under the mixing tub. For Korean farmers, this means fewer breakdowns during critical feeding times. Unlike kett<\/strong> drives that stretch over time, leading to backlash, noise, and eventual failure, the PGA gearbox maintains its precision and efficiency throughout its lifespan. The compact design also frees up space on the machine chassis, allowing for the integration of larger discharge kett<\/strong> conveyors or additional hydraulic components without increasing the overall machine dimensions.<\/p>\n

\"PGA<\/p>\n

Autoshift and Hydraulic Integration<\/h3>\n

A standout feature of the PGA Series is its compatibility with advanced control systems, including Autoshift technology. This feature allows the gearbox to automatically shift between high-speed\/low-torque and low-speed\/high-torque modes based on the resistance of the feed mix. This intelligent operation prevents engine stalling and reduces fuel consumption by up to 30%, a significant benefit for eco-conscious Korean farms. Furthermore, the gearbox functions as a highly efficient hydraulic planetary gearbox<\/strong> interface. It accepts direct mounting of hydraulic motors, creating a sealed, leak-proof drive unit that is immune to the dust and debris that plague open kett<\/strong> drives. The smooth power delivery of the planetary system reduces vibration, which in turn protects the auxiliary systems, such as the discharge kett<\/strong> and weighing scales, from shock loads. This holistic approach to machine design ensures that the entire feed mixer operates more smoothly, quietly, and economically.<\/p>\n<\/section>\n

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Working Principle: Planetary Efficiency vs. Chain Losses<\/h2>\n

Understanding the working principle of the PGA Series reveals why it is the superior choice for feed mixers. The gearbox operates on a planetary gear system where a central sun gear drives multiple planet gears, which orbit within a fixed ring gear. This configuration provides a high reduction ratio in a very small space. For example, a single stage can offer a reduction of up to 6:1, while a multi-stage unit can achieve ratios over 600:1. In contrast, achieving such reductions with a kett<\/strong> drive would require massive, impractical sprockets and multiple jackshafts, introducing significant friction and mechanical losses. The planetary system’s efficiency typically exceeds 97% per stage, meaning more power from your tractor or planetaark\u00e4igukasti mootor<\/strong> goes directly into mixing the feed, rather than being lost as heat and noise in a rattling kett<\/strong> drive.<\/p>\n

The connection to the auger is direct and rigid. The output shaft of the gearbox splines directly into the auger base, eliminating the need for intermediate kett<\/strong> couplings that introduce backlash. When the mixer is loaded with heavy, wet silage, the “break-away” torque required to start rotation is immense. A kett<\/strong> drive under this stress acts like a spring, stretching and snapping back, which can damage the machine structure. The PGA gearbox, however, delivers torque instantaneously and smoothly. For hydraulic applications, the hydraulic motor drives the sun gear directly. The fluid pressure is converted into rotational force with minimal loss, and the enclosed oil bath ensures that heat is dissipated effectively. This robust thermal management allows the gearbox to operate continuously during long mixing cycles without the overheating issues often associated with friction-heavy kett<\/strong> reduction boxes.<\/p>\n

\"PGA<\/p>\n<\/section>\n

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Applications: Feed Mixers, Biogas, and More<\/h2>\n

The primary application for the PGA Series is in vertical and horizontal TMR (Total Mixed Ration) feed mixers, machines that are the backbone of South Korea’s livestock industry. These mixers require a gearbox that can withstand high axial loads\u2014the downward force of the feed pushing against the auger. The PGA Series is equipped with heavy-duty tapered roller bearings specifically to handle this load, a feature that standard kett<\/strong> reduction units lack. Beyond feed mixing, these gearboxes are increasingly used in the renewable energy sector, specifically in biogas plants. Here, they drive the large agitators in fermenter tanks, keeping the biomass in suspension. The reliable, sealed nature of the PGA gearbox makes it ideal for this 24\/7 operation where maintenance access is difficult and kett<\/strong> drives would fail rapidly due to corrosion and fatigue.<\/p>\n

Another critical application is in heavy-duty manure spreaders and compost turners. In these machines, the PGA gearbox often drives the floor kett<\/strong> (apron chain) or the main beaters. The precise speed control offered by the planetary reduction allows for uniform application rates of fertilizer, supporting the precision agriculture trends in Korea. The gearbox can also be found in stationary mixing plants, where it is driven by large electric motors. In these setups, the planetaarne k\u00e4igukast<\/a> with motor<\/strong> configuration provides a compact, safe, and quiet drive solution, replacing the dangerous open kett<\/strong> and belt drives of the past. Whether driving a vertical screw, a horizontal paddle, or a heavy drag kett<\/strong>, the PGA Series delivers the reliable, high-torque performance required to keep agricultural and industrial operations running smoothly and efficiently.<\/p>\n

\"PGA<\/p>\n<\/section>\n

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Completing the Drive Chain: Shafts, Sprockets, and Chains<\/h2>\n

A high-performance gearbox is only one link in the power transmission kett<\/strong>. To ensure your feed mixer operates at peak efficiency and reliability, it is essential to pair the PGA Series with high-quality complementary products. Ever-Power offers a comprehensive suite of drivetrain components designed to work in harmony with our gearboxes. We strongly recommend utilizing our heavy-duty **PTO Drive Shafts<\/a>**, which feature wide-angle constant velocity joints for tight turning maneuverability in cramped Korean farmyards. Crucially, these shafts can be equipped with friction clutches or shear bolts that act as a safety fuse, protecting the planetaark\u00e4igukasti mootor<\/strong> assembly from catastrophic damage in the event of an auger jam. A properly protected input shaft is the first line of defense in maintaining the integrity of your machine’s drive kett<\/strong>.<\/p>\n

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\"pls-t\u00e4pne-planetaark\u00e4igukast-t\u00e4ielik\"<\/p>\n<\/div>\n

For the discharge systems found on most feed mixers, we supply premium **Industrial Chains** and matching **Sprockets**. The performance of the discharge conveyor relies heavily on the quality of the kett<\/strong>; a stretched or worn chain can jump teeth, causing uneven feed distribution or mechanical jams. We offer high-tensile, corrosion-resistant roller ketid<\/strong> and agricultural conveyor chains (such as CA550 and C2060H) that are heat-treated for maximum wear resistance. By sourcing your gearbox, drive shaft, and conveyor kett<\/strong> components from a single, trusted supplier like Ever-Power, you ensure perfect geometric compatibility and simplify your spare parts procurement. Our engineering team can also provide custom-machined sprockets that fit directly onto the splined output shafts of our gearboxes (if used for conveyor drives), creating a seamless and robust drive connection that eliminates the weak points of adapter sleeves.<\/p>\n<\/section>\n

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Miks valida Ever-Power?<\/h2>\n

Ever-Power is more than just a manufacturer; we are a strategic partner in the global agricultural machinery industry, with a deep commitment to the South Korean market. With decades of expertise in power transmission, we have refined our production processes to deliver gearboxes that meet the highest international standards of quality and durability. Our state-of-the-art manufacturing facilities utilize advanced CNC machining and automated assembly lines to produce the PGA Series, ensuring that every unit meets strict ISO 9001 specifications. This commitment to precision results in gearboxes that run cooler, quieter, and longer than the competition. We understand that the agricultural supply kett<\/strong> is time-sensitive; a broken mixer during the feeding season is an emergency. Therefore, we have optimized our logistics to ensure rapid delivery of standard units and spare parts to major Korean ports like Busan and Incheon, minimizing downtime for our customers.<\/p>\n

Our technical support capabilities set us apart. We don’t just sell a part; we offer a solution. Our engineering team is available to assist with gearbox selection, using advanced tools like our **planetary gearbox calculator** to ensure you choose the unit with the correct torque rating and service factor for your specific feed density. We can also assist with customization, such as designing special mounting plates or adapting input shafts for specific hydraulic motors. We believe in transparency and building long-term relationships. When you choose Ever-Power, you are choosing a partner who understands the critical nature of your machinery in the food production kett<\/strong>.<\/p>\n

\"tehas-1\"<\/p>\n<\/section>\n

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Korduma kippuvad k\u00fcsimused (KKK)<\/h2>\n
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Q1: Can the PGA Series replace a hydraulic planetary gearbox from another brand?<\/p>\n

Yes, the PGA Series features standard mounting dimensions and output configurations that make it interchangeable with many major brands like Brevini or Bonfiglioli. It is an excellent replacement for hydraulic planetary gearbox<\/strong> units in feed mixers.<\/p>\n<\/div>\n

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Q2: What is the benefit of replacing a chain drive with a planetary gearbox?<\/p>\n

Planetary gearboxes are enclosed, self-lubricating, and handle shock loads better. Replacing a kett<\/strong> drive reduces maintenance (no tensioning\/greasing), improves safety, and increases the reliability of the mixer.<\/p>\n<\/div>\n

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Q3: How do I use a planetary gearbox calculator for my application?<\/p>\n

You need your input speed (motor or PTO RPM) and desired output speed (auger RPM). The calculator divides input by output to find the ratio. Our team can assist you with these calculations to ensure accuracy.<\/p>\n<\/div>\n

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Q4: Is the PGA gearbox suitable for biogas plants in Korea?<\/p>\n

Absolutely. The high torque capacity (up to 142,000 Nm peak) and corrosion-resistant seals make it ideal for the continuous, heavy-duty mixing required in biogas digesters.<\/p>\n<\/div>\n

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Q5: Can you provide a complete planetary gearbox with motor assembly?<\/p>\n

Yes, we can supply the gearbox pre-assembled with a matching hydraulic or electric motor. This “plug-and-play” solution simplifies installation and ensures component compatibility.<\/p>\n<\/div>\n

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Q6: How does the autoshift feature work?<\/p>\n

It automatically shifts gears based on load pressure. This keeps the engine in its optimal RPM range, saving fuel and protecting the drive kett<\/strong> and components from stall conditions.<\/p>\n<\/div>\n

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Q7: What maintenance is required for the PGA gearbox?<\/p>\n

Primarily periodic oil changes (every 1,000-2,000 hours depending on duty cycle) and seal inspections. This is far less labor-intensive than maintaining an open kett<\/strong> drive.<\/p>\n<\/div>\n

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Q8: Do you stock spare parts in Korea?<\/p>\n

We ship directly from our central warehouses with expedited logistics to Korea. We ensure critical spares like seals and bearings are always available for quick dispatch.<\/p>\n<\/div>\n

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Q9: What is the maximum torque the PGA series can handle?<\/p>\n

The largest model, PGA-4204, handles continuous torque of 42,000 Nm and peak shocks up to 142,000 Nm, making it suitable for industrial-scale mixers.<\/p>\n<\/div>\n

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Q10: Are the input shafts standard?<\/p>\n

Yes, we offer standard splined shafts like 1″3\/8 Z6 and 1″3\/4 Z20, which are commonly used in Korean agricultural machinery and fit standard PTO yokes.<\/p>\n<\/div>\n

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Q11: Can I use this gearbox for a chain conveyor drive?<\/p>\n

Yes, while designed for augers, the high torque and low speed make it excellent for driving heavy-duty drag kett<\/strong> conveyors in industrial applications.<\/p>\n<\/div>\n<\/section>\n

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Klientide arvustused<\/h2>\n
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Song Hye-jin, Gyeonggi-do k\u00f6\u00f6giviljafarmi juht (2024. aasta l\u00f5pp)<\/p>\n

\u201cWe use the PGA-502 for our large-scale carrot and onion fields. The 2.4 m width is perfect for our row spacing, and the depth control is precise to the centimeter. The machine leaves perfectly uniform material that our planting machines love. Local parts delivery is next-day \u2014 never had downtime. Already planning to buy a second unit next season.\u201d<\/p>\n<\/div>\n

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Kim Min-su, Dairy Farmer, Chungcheongnam-do (January 2025)<\/p>\n

\u201cI decided to replace the noisy kett<\/strong> drive on my feed mixer with a PGA-1002. The improvement is massive. It\u2019s quiet, powerful, and handles wet silage without any struggle. The installation was simple, and it integrated well with my existing hydraulic system. Highly recommended for any farmer looking for reliability.\u201d<\/p>\n<\/div>\n

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Lee Dong-wook, Mechanic, Jeollabuk-do (December 2024)<\/p>\n

\u201cI repair agricultural machinery for a living. Ever-Power\u2019s PGA gearboxes are top quality. The seals hold up against the corrosive feed juices much better than other brands. I also appreciate that I can get the matching discharge kett<\/strong> and sprockets from them. It simplifies my parts sourcing immensely.\u201d<\/p>\n<\/div>\n

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Park Ji-young, Biogas Plant Operator, Gyeongsangbuk-do (February 2025)<\/p>\n

\u201cWe run our digester agitators 24\/7. The PGA planetaark\u00e4igukasti mootor<\/strong> units we installed have been running flawlessly for months. The torque is consistent, and they handle the heavy biomass load easily. The engineering support helped us use a calculator to pick the perfect ratio.\u201d<\/p>\n<\/div>\n

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Choi Soo-min, Farm Owner, Gangwon-do (November 2024)<\/p>\n

\u201cFast shipping to Korea was a pleasant surprise. The gearbox arrived well-packaged. It\u2019s a heavy-duty unit that fit perfectly onto my vertical mixer. The auger runs smooth, and the discharge kett<\/strong> conveyor speed is just right. Great value for the price.\u201d<\/p>\n<\/div>\n<\/section>\n

Toimetaja: Cxm<\/div>\n<\/div>\n

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Discover the PGA Series chain drive planetary gearbox for feed mixers, offering up to 42000 Nm continuous torque and 30% fuel savings through automatic speed adjustment. Ideal for Korean farms with compact design, high efficiency, and compatibility with various auger systems.<\/p>","protected":false},"featured_media":463,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[963],"product_tag":[],"class_list":["post-462","product","type-product","status-publish","has-post-thumbnail","product_cat-high-precision-planetary-gearbox","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/product\/462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/comments?post=462"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/media\/463"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/media?parent=462"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/product_brand?post=462"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/product_cat?post=462"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/et\/wp-json\/wp\/v2\/product_tag?post=462"}],"curies":[{"name":"t\u00f6\u00f6leht","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}