EP-9.311 Rotary Cultivator PTO Gearbox

Built for professional agricultural use, the EP-9.311 Rotary Cultivator PTO Gearbox transfers tractor PTO power to rotary implements through precision-ground spiral bevel gears. Farmers, landscapers, and agricultural contractors rely on this gearbox for its 50 HP capacity, 1:3 reduction ratio, and 540 RPM rated input. The heat-treated alloy steel gears (58-62 HRC) and double-sealed bearing system ensure extended service life even under heavy loads. This unit fits standard PTO connections and common implement mounting patterns for quick, hassle-free installation.

Описание



EP-9.311 Rotary Cultivator PTO Gearbox — Precision PTO Gearbox for Agricultural Implements

Engineered for peak field performance, the EP-9.311 Rotary Cultivator PTO Gearbox combines advanced spiral bevel gear technology with a durable ductile cast iron enclosure. Operating at 1:3 reduction ratio and handling up to 50HP, it meets the rigorous demands of modern farming.

EP-9.311 Rotary Cultivator PTO Gearbox agricultural PTO gearbox

📋 EP-9.311 Technical Specifications

Параметр Specification
Модель EP-9.311
Передаточное число 1:3
Gear Teeth 36/12
Gear Module 4.35
Rated Power (HP) 50
Rated Input Speed 540 RPM
Input/Output 1 3/8 Z6 / Optic axis / Optic axis
Gear Material 20CrMnTi Alloy Steel, Carburized & Quenched (58-62 HRC)
Материалы для корпуса Ductile Cast Iron
Bearings Tapered Roller Bearings
Seals Double-Lip NBR Oil Seals with Dust Excluder
Вес нетто 21 kg

⭐ Key Features & Engineering Advantages

🛡 Reinforced Cast Iron Body

QT500-7 ductile cast iron housing engineered to withstand repeated vibration and impact loads generated during rotary tilling of compacted and rocky soils.

💧 Triple-Sealed Against Soil Ingress

Three-stage sealing system with labyrinth seal, double-lip oil seal, and external dust cap provides complete protection against fine soil particles and moisture penetration.

⚡ Optimized for High-Torque Tilling

3:1 reduction ratio amplifies tractor PTO torque by 300%, delivering the sustained rotational force required to break through hardpan, clay, and heavily compacted field soils.

🔧 Universal Tiller Fitment

Input and output shaft specifications match standard rotary cultivator mounting dimensions used across European, Japanese, and Chinese tiller brands.

💥 Anti-Vibration Mounting

Precision-machined mating surfaces and oversized mounting bolts reduce gear mesh vibration by 40% compared to spur gear designs, protecting both the gearbox and tiller frame.

🌡️ All-Season Operation

Rated for continuous operation from -20°C to +110°C with synthetic EP gear lubricant, supporting spring preparation through autumn harvest tilling cycles.

🔄 Compatibility & Fitment Information

The EP-9.311 is designed with standard industry mounting dimensions and shaft specifications, making it a direct replacement for gearboxes found on many popular agricultural implements. Compatible implement brands include (referenced for cross-referencing purposes only — these are not trademark claims):

Howard
Maschio
Kuhn
Yanmar
Kubota
Agric
Breviglieri
Celli
Falc
Sicma

Disclaimer: Brand names are listed solely for cross-reference and compatibility identification. Ever-power Australia PTO Gearbox Co.,Ltd. is not affiliated with or endorsed by the above brands.

🔎 Selection & Sizing Guide

Choosing the right cultivator gearbox affects tilling depth, soil finish, and fuel efficiency. Use these criteria to determine if the EP-9.311 meets your needs:

⚙ Matching Gear Ratio to Application

1:1 to 1:1.5 ratio — Minimal speed reduction; used when the implement blade/tine speed should closely match PTO speed. Common for finishing mowers and light-duty applications.

1:1.5 to 1:2 ratio — Moderate torque increase with proportional speed decrease. Suitable for standard rotary cutters, medium-duty mowers, and general-purpose implements.

1:2.5 to 1:3+ ratio — High torque multiplication for heavy loads. Essential for rotary cultivators, post hole diggers, and brush cutters working in dense material.

⚡ Matching Tractor HP to Gearbox Power Rating

Always select a gearbox with a rated power (HP) equal to or greater than the maximum PTO output of your tractor. Running a gearbox beyond its rated power causes overheating, accelerated gear wear, and premature failure. As a best practice, maintain a 10-20% safety margin above your actual operating load.

🔄 540 RPM vs 1000 RPM — Which PTO Speed?

540 RPM PTO is the standard for most agricultural implements under 100HP. The EP-9.311 is designed for 540 RPM input. 1000 RPM PTO is used on higher-horsepower tractors (typically 75HP+) and requires a gearbox specifically rated for that speed. Do not connect a 540 RPM gearbox to a 1000 RPM PTO without a speed adapter.

🛡 Aluminum vs Cast Iron Housing

Aluminum: Best for compact tractors under 25HP, coastal/humid environments, and applications where weight matters (finishing mowers, small rotary cutters). Excellent heat dissipation and corrosion resistance.

Cast Iron: Required for medium-to-heavy duty applications above 25HP. Superior shock resistance and structural rigidity for brush cutting, heavy mowing, cultivating, and post hole digging.

🔧 Standard vs Custom Gearbox

Our standard models cover 90% of common agricultural gearbox applications with industry-standard mounting and shaft dimensions. For OEM manufacturers or unique implement designs requiring non-standard ratios, shaft configurations, or mounting patterns, we offer full custom manufacturing with MOQ as low as 50 units. Contact our engineering team to discuss your custom requirements.

🌱 Typical Application Scenarios

EP-9.311 agricultural application scenario

Stubble Incorporation

Chops and incorporates crop residue into the top 150-200mm of soil to accelerate decomposition.

Orchard & Vineyard Tillage

Between-row cultivation for weed control and soil aeration in permanent crop plantations.

Greenhouse Soil Conditioning

Precision tilling of controlled-environment growing beds for transplant preparation.

Pasture Renovation

Breaking up compacted pasture soils and incorporating seed and fertilizer for grassland renewal.

🛠 Installation & Setup Guide

Follow these steps to install the EP-9.311 on your implement. Always refer to the included instruction manual for model-specific torque values and safety precautions.

  1. Park the tractor on level ground, lower the cultivator fully, and disconnect the PTO shaft. Ensure the engine is off and hydraulics are depressurized.
  2. Support the cultivator frame securely with jack stands. Remove the column-to-frame mounting bolts and disconnect the gearbox output from the rotor drive.
  3. Unbolt and remove the old gearbox assembly. Note the column length and any spacer/shim positions for reassembly reference.
  4. Clean all mating surfaces on the cultivator frame. Install any required gaskets or O-rings supplied with the new EP-9.311 gearbox.
  5. Mount the new gearbox to the frame, inserting and hand-tightening bolts first. Verify shaft alignment with the rotor drive before final torquing to 80-100 Nm.
  6. Reconnect the PTO shaft to the gearbox input. Verify full spline engagement depth and install the shear bolt or overload clutch.
  7. Fill with the recommended gear oil to the level plug. Run at idle PTO speed for 10 minutes without ground engagement to bed in the gears.

❓ Frequently Asked Questions

What warranty coverage applies?

All EP cultivator gearboxes carry a 12-month warranty against manufacturing defects. Damage from overloading, incorrect oil, or improper installation is excluded.

What gear oil does this cultivator gearbox require?

Use SAE 90 or GL-5 rated EP90 heavy-duty gear oil. The high-torque tilling application demands extreme-pressure additives to protect the gear teeth. Fill to the level plug — approximately 1.5 to 2.5 liters depending on model.

How do I know which column length to order?

Measure the distance from your tractor PTO centerline to the cultivator rotor centerline. We offer multiple column length options (375mm to 1500mm) to match different tiller widths. Contact us with your tiller model for a recommendation.

Can I use this gearbox for a power harrow?

While both are soil-working implements, power harrows require different output configurations. This gearbox is specifically designed for rotary cultivator/tiller applications. Contact us for our power harrow gearbox range.

What maintenance schedule do you recommend?

Change oil after first 50 hours, then every 150 operating hours. Inspect seals for soil ingress after each use. Grease the input shaft spline every 100 hours. Check bolt torques monthly during heavy-use seasons.

💬 Customer Reviews & Field Reports



★★★★★

“Perfect replacement for our Maschio tiller gearbox. Same dimensions, same performance, half the price. We have been running it for two seasons with no problems at all.”

, Emilia-Romagna, Italy

★★★★☆

“Ordered for our 60-inch tiller. Quality is very good — machining is clean and seals are tight. Delivery was prompt. Would buy again.”

, Iowa, USA

★★★★★

“Excellent build quality. The gear noise is remarkably low compared to our previous gearbox. Oil stays clean even after 150 hours of paddy field preparation.”

, Hokkaido, Japan

★★★★★

“We needed a tough gearbox for tilling compacted maize stubble land. This EP gearbox has outlasted two cheaper brands we tried before. Very satisfied.”

, Free State, South Africa

★★★★★

“This gearbox transformed our rotary hoe. We till 200 acres of heavy clay each spring and this unit handles it without flinching. The 1:3 ratio gives excellent torque at the tines.”

, Victoria, Australia

📈 EP-9.311 vs Economy Gearboxes — Head-to-Head Comparison

Before selecting a PTO gearbox, compare the EP-9.311 specifications against common economy alternatives to see where the real differences lie:

Особенность EP-9.311 (Ever-power) Экономическая альтернатива
Gear Material Легированная сталь 20CrMnTi (58-62 HRC) 40Cr или обычная углеродистая сталь (45-50 HRC)
Термическая обработка Цементация + Закалка + Отпуск только поверхностное упрочнение
Жилье Ковкий чугун (предел прочности на растяжение > 450 МПа) Серый чугун или переработанный алюминий
Bearings Конические роликовые подшипники (ведущие производители) Шариковые подшипники с глубоким пазом (без маркировки)
Seals Двусторонняя окантовка из NBR/Viton с пылезащитным уплотнителем. Однокромочное резиновое уплотнение общего назначения
Эффективность передачи 96%+ 88-92%
Срок службы (ориентировочный) Более 3000 часов 800-1200 часов
Гарантия 12 месяцев 3-6 месяцев или ничего

🔗 Сопутствующие товары и аксессуары

Валы отбора мощности и компоненты приводных систем сельскохозяйственной техники.

Валы привода ВОМ

Широкоугольные, телескопические и стандартные валы отбора мощности с защитой от срезных болтов и муфтой скольжения.

Запасные шестерни и подшипники

Комплекты конических зубчатых передач, конические роликовые подшипники и комплекты сальников высокого качества для ремонта в полевых условиях.

Звездочки, шкивы и цепи

Сельскохозяйственные роликовые цепи, звездочки, шкивы для клиновых ремней и шкивы зубчатых ремней для привода сельскохозяйственной техники.

Изготовленные на заказ OEM-редакторы

Разработка индивидуальных передаточных чисел, конфигураций валов и конструкций корпусов для производителей сельскохозяйственной техники (минимальный объем заказа 50+).

➔ Ознакомьтесь с полным каталогом нашей продукции

🏆 Сертификаты и стандарты качества

Сертифицировано по стандарту ISO 9001:2015

Наше производственное предприятие работает в соответствии с сертифицированной системой управления качеством ISO 9001:2015, что обеспечивает стабильное качество продукции на всех этапах, от проверки сырья до окончательного тестирования.

Сертификаты испытаний материалов

Каждая партия зубчатой ​​стали 20CrMnTi сопровождается заводским сертификатом, подтверждающим химический состав и механические свойства. Протоколы испытаний на твердость предоставляются по запросу.

100% Заводские испытания

Перед упаковкой каждый редуктор проходит испытания на обкатку, измерение уровня шума и проверку на утечку масла. Ни одно изделие не отгружается без прохождения нашего заключительного этапа контроля качества.

🏭 О компании Ever-power Australia PTO Gearbox Co.,Ltd.

Завод по производству сельскохозяйственных редукторов Everpower

Мы являемся специализированным производителем редукторов, приводных валов и компонентов силовых передач для сельскохозяйственной техники с более чем 19-летним опытом производства. Наш производственный комплекс площадью 3800 м² оснащен линиями ЧПУ для зубофрезерования, шлифовки и термообработки, позволяющими выпускать более 50 000 редукторов в год. Более 951 тонны нашей продукции экспортируется в Европу, Австралию, Северную Америку и Азию, обслуживая как дистрибьюторов на вторичном рынке, так и производителей сельскохозяйственной техники.

Мы предлагаем полный спектр услуг OEM и ODM — от разработки нестандартных передаточных чисел до упаковки под собственной торговой маркой. Минимальный объем заказа для нестандартных спецификаций начинается всего с 50 единиц, и мы поддерживаем постоянный запас популярных моделей для немедленной отгрузки. Независимо от того, нужен ли вам один редуктор на замену или целая партия для вашей дистрибьюторской сети, мы предлагаем конкурентоспособные цены, стабильное качество и оперативную техническую поддержку.

📞 Ready to Order the EP-9.311? Let’s Talk.

Независимо от того, нужен ли вам один сменный блок или оптовые поставки от производителя оригинального оборудования, наша команда готова помочь с выбором продукции, ценообразованием и быстрой международной доставкой. Свяжитесь с нами сегодня, чтобы получить бесплатную смету.

✉ Запросите ценовое предложение прямо сейчас

➔ Посетите нашу главную страницу, чтобы ознакомиться с другими товарами.