Descripción

Caja de engranajes para cortadora rotativa EP-RC-30 | Reemplazo para Omni Code RC-30

In the vast landscape of agricultural machinery, the 40HP gearbox is the essential component powering the majority of 5-foot rotary cutters used by hobby farmers, estate owners, and municipal maintenance crews globally.

El Caja de engranajes para cortadora rotativa EP-RC-30 is Ever-Power’s definitive answer to the market’s need for a reliable, affordable, and tough replacement unit. While it serves as a direct drop-in replacement for the industry-standard Omni Code RC-30, we have re-engineered the internal components to exceed original specifications.

La vanguardia de la ingeniería brasileña

Agriculture in Brazil is demanding. Equipment here faces longer operating hours, higher ambient temperatures, and denser vegetation than in many other parts of the world. Ever-Power has taken the lessons learned from the Brazilian fields and applied them to the EP-RC-30.

We upgraded the housing from standard grey iron to Hierro dúctil QT450, providing superior shock resistance. We optimized the gear geometry to reduce noise and heat generation. Whether you are mowing a paddock in Texas, USA, or clearing coffee rows in São Paulo, Brasil, this gearbox is built to last.

Especificaciones técnicas (datos de ingeniería)

Para garantizar que esta unidad sea compatible con su maquinaria, revise los parámetros técnicos detallados que se indican a continuación.

⚙️ Parámetros generales de ingeniería

Parámetro	Especificación	Nota de ingeniería
Modelo	EP-RC-30	Replaces Omni RC-30
Clasificación de potencia en caballos de fuerza	40 HP (Continuous)	Probado a 540 RPM de entrada.
Capacidad de par	446 Nm (Rated)	3,947 lb-in Max Torque
Velocidad de entrada	540 RPM	Velocidad estándar de la toma de fuerza agrícola
Relación de transmisión	1:1.47 (Speed Up)	Input 1 turn = Output 1.47 turns
Eje de entrada	1-3/8″ – 6 estrías	Dimensiones estándar SAE
Eje de salida	1.47″ – 12 Tapered Spline	Fits Standard Stump Jumpers
Material de la carcasa	Hierro dúctil (QT450)	Alta resistencia a los golpes
Capacidad de aceite	0.68 L (23 oz)	Se envía vacío: ¡debe rellenarse!
Peso	23.1 kg (51 lbs)	Peso seco
Patrón de montaje	4-Bolt (4-3/4″ Circle)	Industry Standard
Rotación	Entrada en sentido antihorario / Salida en sentido horario	Directiva Agrícola Estándar

🔩 Estándares de componentes internos

• Engranajes: Engranajes cónicos espirales forjados de precisión. Material: 20CrMnTi. Tratamiento térmico: Cementación (HRC 58-62).

• Aspectos: High-speed Deep Groove Ball Bearings on input; Tapered Roller Bearings on output for axial load support.

• Sellos: Juntas de triple labio con resorte. Material: NBR/Viton for heat resistance.

• Lubricación: Splash lubrication system designed to channel oil to bearings even on slopes.

5 Key Facts: Why The EP-RC-30 Is The Best Choice

1. Forged Strength: Unlike competitors using sintered metal, our gears are Forjado con precisión a partir de acero de aleación 20CrMnTi, ensuring teeth don’t chip under shock loads.

2. Optimized Speed: Features a 1:1.47 Speed-Up Ratio, converting standard 540 PTO RPM into high-velocity blade tip speed for a cleaner cut.

3. Secure Connection: Utilizing a 12-Tapered Spline Output Shaft, it ensures a rock-solid connection to the stump jumper, reducing vibration.

4. Field-Tested: Validated in the tough terrains of Minas Gerais y Mato Grosso, ensuring reliability in both commercial and lifestyle farming.

5. Ready to Run: Enviado con el Tuerca de montaje del portacuchillas y pasador de chaveta included.

Guía de compatibilidad e intercambiabilidad

The EP-RC-30 is designed as a universal caja de cambios de repuesto. Its mounting pattern and shaft dimensions follow industry standards, making it a “Plug & Play” solution for over 70% of the light-duty cutters on the market.

Reemplazo directo para:

• Equipo Omni: RC-30 (The primary design reference)

• Rotary Corp: 10329

• Eurocardan: Series 40 equivalents

• Bondioli y Pavesi: Select 100/200 Series models

Marcas de equipos compatibles (adaptación para el mercado de repuestos):

• Rey Kutter: Fits most 4′, 5′, and 6′ Professional and Standard rotary cutters.

• Desbrozadora: Squealer series (SQ48, SQ60), Razorback series (RZ60).

• Orgullo por la tierra: RCR1248, RCR1260, RCR15 series.

• Rhino Ag: SE5, SE6 models.

• County Line (Tractor Supply): 4ft and 5ft mowers.

• Howse: Serie 500.

• Tatu Marchesan: Seleccione cortadoras rotativas de uso ligero (Brasil).

Consejo de ingeniería: The EP-RC-30 is specifically designed for cutters requiring a splined input shaft. If your old gearbox had a smooth input shaft (very old models), you will need a new PTO yoke to match our 1-3/8″ 6-spline input. Always verify your Número de estrías del eje de salida (usually 12 tapered) and Patrón de pernos (4 bolts on a 4.75″ circle) before ordering.

Escenarios de aplicación en profundidad

Our gearboxes are versatile powerhouses. Here is where the EP-RC-30 excels:

🌽 Hobby Farming & Estate Management

For the landowner with 5-20 acres, the EP-RC-30 is the ideal gearbox. It is perfect for maintaining:

• Pastures: Keeping grass at an optimal height for horses or cattle.

• Paddocks: Clearing weeds and light brush up to 1/2″ diameter.

• Trails: Maintaining walking or riding trails through wooded areas.

☕ Coffee & Orchard Plantations (Brazil & Global)

In Minas Gerais, coffee farmers use rotary cutters to manage weeds between rows. The EP-RC-30 is compact enough to fit on offset mowers, allowing farmers to clear vegetation close to the coffee trees without damaging the crop. The 40HP rating is perfect for the smaller, nimble tractors used in these operations.

🚧 Roadside & Municipal Maintenance

For light roadside clearing of grass and weeds, municipal contractors rely on the durability of the EP-RC-30. Its sealed design prevents dust and road grime from destroying the internal bearings, ensuring long service intervals even in dirty environments.

🌾 Crop Residue Management

After the harvest of light crops like wheat or beans, the EP-RC-30 provides the high blade speed necessary to shred stalks, promoting faster decomposition and returning nutrients to the soil.

Engineering Deep Dive: Why “Made by Ever-Power” Matters

In a market flooded with generic components, Ever-Power stands apart through rigorous engineering standards. We don’t just assemble; we manufacture.

Metallurgy: The Foundation of Strength

The housing of the EP-RC-30 is cast from Hierro dúctil QT450-10. Unlike standard Grey Iron (HT200) used in budget gearboxes, Ductile Iron contains graphite nodules that inhibit crack propagation.

• Why this matters: When your mower blade hits a hidden stump, the shock travels up the shaft to the housing. Grey iron shatters; Ductile iron absorbs the shock.

Gear Precision: Spiral Bevel Technology

Utilizamos Engranajes cónicos espirales rather than straight cut gears.

• Silent Operation: Spiral gears have a gradual tooth engagement, significantly reducing noise levels (dB).

• Torque Density: The increased contact ratio allows for higher torque transmission in a smaller package.

• Tratamiento térmico: Our gears undergo Carburizing to HRC 58-62, providing a hard, wear-resistant surface while maintaining a tough core to resist breakage.

Sealing Technology: The Triple Defense

Oil leaks are the #1 killer of gearboxes. The EP-RC-30 utilizes a Triple-Lip Seal system on the output shaft.

1. Outer Lip: Acts as a dust wiper, keeping dirt and grass away.

2. Middle Lip: The primary barrier against water ingress.

3. Inner Lip: Retains the oil within the gearbox.

   Nosotros usamos Viton material for these seals, which can withstand temperatures up to 200°C, far exceeding the limits of standard NBR rubber seals used by competitors.

Casos de éxito de clientes: Probados en la práctica.

En Ever-Power, basamos nuestra reputación en los resultados. Así es como... EP-RC-30 ha resuelto problemas para nuestros clientes.

🇧🇷 Case Study 1: The Coffee Hills of Minas Gerais

Perfil del cliente: A mid-sized coffee plantation in Southern Minas Gerais, Brazil.

Equipo: 5ft Offset Rotary Cutter.

• El desafío: The plantation is located on steep, hilly terrain. The previous gearboxes (generic imports) were suffering from oil starvation on the upper bearings when the tractor was operating on steep slopes, leading to catastrophic bearing failure every 300 hours.

• La solución: Cambiaron al Ever-Power EP-RC-30. Our engineers analyzed the slope and recommended a slight overfill of the oil level (by 10%) combined with our optimized splash lubrication housing design.

• El resultado: The new gearboxes have surpassed 1,000 hours of operation without a single bearing failure. The improved lubrication channels ensured oil reached critical areas even at 20-degree inclines.

🇺🇸 Case Study 2: The Weekend Warrior in Ohio

Perfil del cliente: A property owner with 15 acres of mixed grass and light brush in Ohio, USA.

Equipo: County Line 5ft Rotary Cutter.

• El desafío: The owner hit a large, hidden rock while clearing an overgrown field. The impact shattered the casing of his original gearbox. The dealer quoted a high price and a 3-week wait time.

• La solución: He found the EP-RC-30 online as a direct replacement. The price was significantly lower, and the Hierro dúctil housing promised better shock resistance.

• El resultado: Installation took less than an hour. The customer reported that the gearbox runs quieter than the original unit, and he has since hit several more obstacles without damaging the case, thanks to the superior metallurgy and the use of a proper Shear Bolt PTO shaft.

Guía completa de instalación y mantenimiento

A gearbox is only as good as its maintenance. Follow this engineer-approved guide to get the most out of your EP-RC-30.

Instalación paso a paso

1. Seguridad ante todo: Desconecte la toma de fuerza, apague el tractor, retire las llaves y bloquee la plataforma de corte de forma segura.

2. Eliminación: Remove the shear bolt from the PTO input. Remove the castellated nut and cotter pin from the output shaft to drop the stump jumper (this may require a puller). Unbolt the 4 mounting bolts.

3. Preparación: Clean the mower deck surface thoroughly. Inspect for cracks around the mounting holes—weld them if necessary, as deck flex kills gearboxes.

4. Montaje: Place the EP-RC-30. Install 4 x Grade 5 or Grade 8 bolts (5/8″ usually). Torque to 100 ft-lbs.

5. Instalación del concentrador: Apply anti-seize to the 12-tapered output splines. Slide the stump jumper hub on. Install the washer and castle nut. Torque the nut heavily (check manual, usually 150+ ft-lbs) and Instale un pasador de chaveta NUEVO.

6. Llenado de aceite: Retire el tapón de ventilación superior y el tapón de control de nivel lateral. Vierta en SAE 80W-90 Gear Oil (approx 23 oz / 0.68L) until it weeps out of the side hole. Do not overfill.

7. Conexión PTO: Connect the PTO shaft. Ensure the shear bolt is the correct grade (usually Grade 2 for protection).

Programa de lubricación y mantenimiento

• Interrumpir: Change the oil after the first 50 horas or at the end of the first season. This removes metal filings from the gear break-in process.

• Rutina: Compruebe el nivel de aceite cada 8 horas (a diario).

• Anual: Drain and replace gear oil. Inspect seals for leaks. Grease the input bearing if a Zerk fitting is present.

• Storage: If storing for winter, fill the gearbox completely to prevent condensation rust (remember to drain to the correct level before using it again!).

Solución de problemas comunes

Síntoma	Posible causa	Solución
Leaking Output Seal	Grass wrapped around shaft	Remove stump jumper, cut away grass/wire, replace seal.
Ruido excesivo	Low oil or incorrect backlash	Check oil level. If full, bearings may be worn.
Calentamiento excesivo	Low oil or wrong viscosity	Top up. Use ISO VG 220 / 85W-140 in extreme heat (40°C+).
Vibración	Bent output shaft or unbalanced blade	Inspect shaft runout. Balance or replace blades/stump jumper.

Agricultural PTO Shafts: The Vital Link

The performance of your EP-RC-30 is entirely dependent on the Eje de la toma de fuerza connecting it to the tractor. Using the wrong shaft can destroy your new gearbox.

Choosing the Right Shaft for EP-RC-30

• Serie: Recomendamos un Series 4 PTO Shaft. This matches the 40HP rating of the gearbox perfectly.

• Length: Always measure the distance from the tractor PTO to the gearbox input shaft. The shaft must have at least 1/3 overlap when extended and must not bottom out when the lift is raised.

• Safety Mechanism:

  • Perno de corte: The most common and affordable. A soft bolt breaks upon impact, saving the gearbox.

  • Embrague deslizante: A friction clutch that slips when torque spikes. Recommended for rocky terrain as it resets automatically.

Soluciones de toma de fuerza Ever-Power

As a complete drivetrain manufacturer, Ever-Power Brazil offers matching PTO shafts for the EP-RC-30. We supply shafts with:

• Standard 1-3/8″ 6-Spline yokes.

• Quick-disconnect locking pins.

• Full safety shielding (CE and ISO compliant).

¿Por qué elegir Ever-Power? 

Elegir Ever-Power significa asociarse con una empresa que controla toda la cadena de calidad.

• Fábrica de origen (OEM): We are not a trading company. We melt the iron, forge the gears, and assemble the units in our own Brazilian facility. This allows us to offer competitive pricing without sacrificing quality.

• ADN agrocéntrico: Con sede en Brasil, una potencia agrícola, nuestra investigación y desarrollo se guía por las necesidades de la agricultura a gran escala. Entendemos que una falla en los equipos durante la cosecha es un desastre.

• Logística rápida: Disponemos de miles de unidades en stock. Los pedidos nacionales en Brasil se envían el mismo día. Los pedidos internacionales son gestionados por nuestro equipo de exportación, que ofrece trámites aduaneros simplificados para clientes de EE. UU. y la UE.

• Control de calidad 100%: Antes de su instalación, cada caja de engranajes se somete a pruebas de giro para comprobar el ruido, la vibración y la integridad de los sellos.

Preguntas frecuentes (FAQ)

Q1: Will the EP-RC-30 fit my older 5-foot King Kutter?

A: If your King Kutter uses a standard 40HP gearbox with a 4-bolt pattern (approx 4-3/4″ spacing) and has a 12-spline output shaft, then yes. This is the industry standard for light-duty cutters.

Q2: What is the difference between smooth and splined input shafts?

A: The EP-RC-30 comes with a 1-3/8″ 6-Spline input. This is the modern standard and connects easily to standard PTO yokes. Some very old gearboxes had smooth inputs, but the splined version is a superior upgrade.

Q3: Can I use this gearbox on a 60HP tractor?

A: Yes, BUT you must ensure you have a properly rated Perno de corte o Embrague deslizante on the PTO shaft. The gearbox is rated for 40HP. If your 60HP tractor hits a stump without protection, the tractor will win, and the gearbox will break.

P4: ¿Viene con aceite?

A: No. Due to international shipping regulations, all gearboxes are shipped seco. You must fill it with approx. 0.68L (23 oz) of 80W-90 Gear Lube before operation.

Q5: How do I measure the output shaft?

A: The EP-RC-30 has a 12 Tapered Spline output. Count the splines (peaks) on the shaft. It should be 12. The diameter is roughly 1.57″ (40mm) at the specific spline area.

Upgrade Your Mower with Ever-Power

Don’t let a failed gearbox stop your season. Choose the EP-RC-30 for a perfect blend of Brazilian toughness, precision engineering, and factory-direct value.

Contacta con nuestro equipo de ingeniería:

• Correo electrónico: [email protected]
• Sitio web: caja de engranajes agrícolas.top