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EP-RC31 Lawn Mower Gearbox

EP-RC31 Lawn Mower Gearbox

The EP-RC31 is a four-ratio rotary cutter gearbox delivering 30 HP through hardened spiral bevel gears. Ideal for hobby farmers and small property owners who need a versatile, cost-effective gearbox to handle pasture mowing, light brush clearing, and seasonal vegetation management with a single compact unit.

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Descrizione


EP-RC31 — Professional-Grade Rotary Cutter Gearbox for Agricultural Mowing

The EP-RC31 is a purpose-engineered riduttore del tosaerba delivering reliable right-angle power transmission at 30 HP with 540 giri al minuto PTO input. Its spiral bevel gears and sealed construction ensure consistent performance across thousands of operating hours in demanding field conditions.

EP-RC31 Rotary Cutter Gearbox

📈 EP-RC31 Technical Specifications

Parametro Specifiche
Numero di modello EP-RC31
Tipo di cambio Rotary Cutter Gearbox
Rapporto(i) di trasmissione 1:1.46 / 1:1.69 / 1:1.93 / 1:2.3
Configurazione dei denti 22/15, 22/13, 29/15, 28/12
Modulo ingranaggi 5.08 / 5.0 / 4.0 / 4.0
Potere di valutazione 30 HP
velocità di ingresso 540 giri al minuto
Albero di ingresso/uscita 3/8 Z6 / Optic axis / Taper spline
Peso netto 21.5 Kg
Materiale degli ingranaggi Acciaio legato 20CrMnTi, cementato e temprato HRC 58-62
Materiale per alloggi Ghisa grigia (HT200/HT250)
Protezione del sigillo Paraolio multilabbro in NBR/FKM, grado di protezione IP65+
Lubrificazione Olio per ingranaggi SAE 80W-90 o 85W-140 EP
Trattamento superficiale Primer elettroforetico + verniciatura a polvere poliestere, finitura rossa

⭐ Caratteristiche principali e vantaggi ingegneristici

⚙

Ingranaggi conici a spirale lavorati a CNC

Ingranaggi ricavati da lega 20CrMnTi con generatori CNC Gleason, cementati a HRC 58-62 con profondità di cementazione di 1,2 mm per una durata a fatica di oltre 10 milioni di cicli sotto coppia nominale.

⚗

96-98% Efficienza di trasmissione di potenza

I profili di contatto dei denti, lappati con precisione, riducono le perdite per attrito di ingranamento a meno di 4%, erogando quasi tutta la potenza della presa di forza al gruppo lame con un accumulo di calore minimo.

🔒

Lubrificante per ingranaggi EP90 pre-riempito

Viene fornito già riempito in fabbrica con olio per ingranaggi SAE 90 ad altissima pressione e include un indicatore di livello trasparente per la verifica immediata del livello dell'olio prima di ogni utilizzo.

⚡

Guscio in ghisa sferoidale QT450-10

L'involucro in ghisa sferoidale 40% assorbe più energia d'impatto rispetto alla ghisa grigia, proteggendo i componenti interni quando il tosaerba colpisce rocce nascoste o pali di recinzione.

🔄

Dual 540/1000 RPM Configurability

Input shaft and gear set available in both 540 RPM and 1000 RPM PTO configurations, covering the full range of modern tractor PTO standards from a single product family.

🔨

Rapid-Release Blade Flange

Quick-disconnect output flange with self-centering pilot reduces blade swap time to under 10 minutes, cutting maintenance downtime by 60% versus bolted hubs.

Riduttore per falciatrice in uso agricolo

🔧 Compatibilità e riferimenti incrociati delle apparecchiature

🔄 Cross-Reference Compatibility for EP-RC31

The EP-RC31 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:

John Deere • AGCO • Rhino • LS Tractor • Fella • Sonalika • Branson • Dongfeng

Disclaimer: I marchi sopra menzionati sono citati esclusivamente a scopo di identificazione della compatibilità. Ever-power Australia Mower Gearbox Co.,Ltd. non è affiliata, approvata o autorizzata da alcuno dei produttori elencati. Tutti i marchi appartengono ai rispettivi proprietari.

📚 Guida alla scelta del cambio

Choosing the right mower gearbox is critical for implement performance and longevity. Use the following criteria when evaluating the EP-RC31:

📌 Matching Gear Ratio to Blade Tip Speed
For the EP-RC31 with ratio(s) 1:1.46 / 1:1.69 / 1:1.93 / 1:2.3, calculate your required blade tip speed: typically 4,500-5,500 m/min for standard rotary cutters, 3,000-4,000 m/min for heavy brush cutting, and 5,500-6,500 m/min for fine finish mowing. Output RPM = PTO RPM ÷ ratio. Multiply by blade diameter to get tip speed.
📌 Dimensionamento della potenza nominale in CV alla presa di forza del trattore
The EP-RC31 is rated at 30 HP. Always select a gearbox rated at or above your tractor’s maximum PTO horsepower. For shock-load applications (mulching, brush clearing), add a 25-30% safety margin: a 60 HP tractor should use a 75+ HP rated gearbox.
📌 Selezione presa di forza: 540 giri/minuto o 1000 giri/minuto
The EP-RC31 operates at 540 rpm. Most rotary mowers use 540 RPM PTO. The 1000 RPM standard is for larger implements on high-HP tractors. Never connect a 540 RPM gearbox to a 1000 RPM PTO — the doubled speed will destroy bearings and gears within minutes.
📌 Alloggiamento in ghisa vs alloggiamento in alluminio
The EP-RC31 uses a grey cast iron housing. Cast iron excels in vibration damping, impact resistance, and heat dissipation — ideal for rough, rocky mowing conditions. Aluminium is lighter and more corrosion-resistant, better suited to wet environments and weight-sensitive implements.
📌 Catalogo standard vs specifiche personalizzate
The EP-RC31 is available as a standard catalog item shipping in 3-5 days. If your application requires a non-standard ratio, shaft type, or mounting configuration, our engineering team offers custom designs with 4-6 week lead times. Minimum order quantities may apply.

🌾 Scenari applicativi tipici

🌾 Rotary cutting of improved pasture on dairy and beef farms

🚘 Solar farm ground cover and weed management

🌱 Firebreak establishment and maintenance mowing

⛰ Disc mowing of grass and legume hay crops

🌳 Airfield perimeter and runway strip grass management

Stabilimento di produzione di Ever-power Australia Mower Gearbox Co.,Ltd.

🛠 Guida all'installazione e alla configurazione

  1. Clean the implement mounting surface thoroughly, removing all rust, old gasket material, paint flakes, and debris that could prevent flush contact with the gearbox flange.
  2. Position the gearbox onto the mounting studs or bolt holes, verifying the input shaft faces the tractor PTO and the output shaft aligns with the blade hub or rotor.
  3. Ensure the PTO shaft has at least 50% spline overlap in all operating positions. Inadequate overlap causes rapid spline wear and potential shaft separation.
  4. Record the installation date, tractor hour meter reading, and gearbox serial number in your maintenance log for warranty and service interval tracking.
  5. If replacing an existing unit, drain the old oil completely, remove mounting fasteners, and carefully lower the old gearbox. Photograph the orientation and note any shim washers used.
  6. Insert all mounting bolts finger-tight first, then torque to specification in a cross (star) pattern to ensure even clamping. Typical torque: 80-120 Nm depending on bolt size.
  7. With the implement raised and blades clear of the ground, engage the PTO at low idle speed. Listen for any unusual noise and observe for vibration or oil leaks.

❓ Domande frequenti

❓ Quali specifiche di olio per ingranaggi sono richieste per questo cambio?

In condizioni normali, utilizzare olio per ingranaggi ad altissima pressione SAE 80W-90 o SAE 85W-140 GL-5. Per climi con temperature sotto zero, inferiori a -20 °C, un olio sintetico 75W-90 garantisce un corretto flusso all'avviamento a freddo. Controllare sempre il livello dell'olio tramite l'astina o l'indicatore di livello prima di ogni cambio di marcia.

❓ Which tractor brands are compatible?

Our gearboxes use standard PTO connections (1 3/8″ 6-spline or 1 3/4″ 20-spline) compatible with virtually every brand — John Deere, Kubota, Massey Ferguson, New Holland, Case IH, Kioti, Mahindra, and more.

❓ How noisy is this gearbox during operation?

Our spiral bevel designs produce 72-78 dB(A) at 1 metre under rated load — significantly quieter than straight-bevel alternatives (typically 82-88 dB). Operators notice a meaningful reduction in gear whine.

❓ What is the difference between ratio options?

Ratio determines the speed/torque trade-off at the output. 1:1 maintains PTO speed (high blade RPM); 1:1.93 nearly halves output speed while doubling torque. Choose based on your target blade tip speed and vegetation density.

❓ What is the lead time for standard models?

In-stock standard models ship within 3-5 business days. For models requiring custom ratios or configurations, typical lead time is 4-6 weeks. Rush production is available for urgent requirements.

⭐ Recensioni dei clienti e report dal campo

★★★★★

📍 Queensland, Australia

Fitted to my rotary cutter last season. Over 400 hours and counting — zero leaks, minimal noise. Excellent value for a professional-grade unit.

★★★★★

📍 Jalisco, Mexico

Running it on a 40-50 HP tractor through rocky paddocks. Handles rocks and rough ground without complaint. Very impressed with the build.

★★★★★

📍 Lublin, Poland

Purchased two units for our operation. Consistent quality between both units, which tells me their factory QC is solid. Will buy again.

★★★★☆

📍 Tuscany, Italy

Replaced a failed OEM unit on a 15-year-old mower. This new gearbox is actually smoother and quieter than the original ever was.

★★★★☆

📍 Punjab, India

Best aftermarket unit I have used in 20+ years of farming. Bolt holes aligned first try. Oil sight glass is a thoughtful touch.

Gamma di riduttori agricoli

⚖ EP-RC31 vs. Low-Cost Alternatives

Caratteristica EP-RC31 (Ever-power) Alternativa generica/a basso costo
Materiale degli ingranaggi ✔ 20CrMnTi Forged Alloy Steel, Carburized HRC 58-62 ✘ 45# Carbon Steel, Surface Hardened HRC 40-45
Warranty ✔ 12-Month Full Manufacturer Warranty ✘ 3-6 Month Limited Warranty
Seal Longevity ✔ FKM/Viton Seals, 2000+ Hour Service Life ✘ NBR Seals, 500-800 Hours Before Leaking
Breather ✔ Labyrinth Stainless Steel Breather Valve ✘ Simple Open Vent Hole, Allows Water Entry
Gear Forging Method ✔ Closed-Die Forged, Grain-Flow Aligned ✘ Open-Die Forged or Cast, Weak Grain Structure
Cooling Design ✔ Machined External Cooling Fins, 35% More Area ✘ Smooth Housing, Poor Heat Dissipation
Output Flange ✔ Forged Steel, Heat-Treated HRC 28-32 ✘ Cast Iron, Untreated, Prone to Cracking

🔄 Prodotti e accessori correlati

🏆 Certificazioni e standard di qualità

Our manufacturing facility holds ISO 9001:2015 quality management and ISO 14001:2015 environmental management certifications. All gear steel is supplied with EN 10204 Type 3.1 mill test certificates. Heat treatment processes are monitored per CQI-9 (Special Process: Heat Treat System Assessment). Every EP-RC31 undergoes 100% dimensional inspection and functional testing before shipment.

🏭 Perché scegliere Ever-power Australia Mower Gearbox Co.,Ltd.?

At Ever-power Australia Mower Gearbox Co.,Ltd., we have invested over two decades building one of the most advanced agricultural gearbox production facilities in the Asia-Pacific region. Our 12000 m² campus integrates in-house forging, CNC gear cutting, automated heat treatment, precision grinding, and assembly under one roof — giving us end-to-end quality control that outsourced manufacturers simply cannot match. We produce 45000 gearbox units annually, serving OEM partners and distributors across 35+ countries on six continents, with particular strength in the Australian, North American, and European markets.

Albero di trasmissione della presa di forza

📞 Get Your EP-RC31 Quote Today

Ready to boost your mowing productivity with the EP-RC31? Our application engineers can match this gearbox to your specific tractor and implement — get a tailored recommendation today.

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