{"id":1450,"date":"2026-03-26T07:45:03","date_gmt":"2026-03-26T07:45:03","guid":{"rendered":"https:\/\/mowergearbox.top\/product\/ep-rc51-lawn-mower-gearbox\/"},"modified":"2026-03-26T07:45:12","modified_gmt":"2026-03-26T07:45:12","slug":"ep-rc51-lawn-mower-gearbox","status":"publish","type":"product","link":"https:\/\/mowergearbox.top\/es\/product\/ep-rc51-lawn-mower-gearbox\/","title":{"rendered":"EP-RC51 Lawn Mower Gearbox"},"content":{"rendered":"
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\n<\/p>\n

EP-RC51 \u2014 Engineered for Australian & Global Farming Conditions<\/h2>\n

El EP-RC51<\/strong> from Ever-power Australia Mower Gearbox Co.,Ltd.<\/a> is a field-proven right-angle gearbox built for rotary mower and brush cutter applications. Its 30 HP<\/strong> capacity and hardened bevel gears keep your operation running efficiently from dawn to dusk, season after season.<\/p>\n

\"EP-RC51<\/div>\n

📈 EP-RC51 Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Par\u00e1metro<\/th>\nEspecificaci\u00f3n<\/th>\n<\/tr>\n<\/thead>\n
N\u00famero de modelo<\/td>\nEP-RC51<\/td>\n<\/tr>\n
Tipo de caja de cambios<\/td>\nRotary Cutter Gearbox<\/td>\n<\/tr>\n
Relaci\u00f3n(es) de transmisi\u00f3n<\/td>\n1:1.47 \/ 1:1.93<\/td>\n<\/tr>\n
Configuraci\u00f3n de los dientes<\/td>\n22\/15, 29\/15<\/td>\n<\/tr>\n
M\u00f3dulo de engranajes<\/td>\n5.08 \/ 4.0<\/td>\n<\/tr>\n
Potencia nominal<\/td>\n30 HP<\/td>\n<\/tr>\n
Velocidad de entrada<\/td>\n540 rpm<\/td>\n<\/tr>\n
Eje de entrada\/salida<\/td>\nSpline \/ Taper spline<\/td>\n<\/tr>\n
Peso neto<\/td>\n29 Kg<\/td>\n<\/tr>\n
Material de engranajes<\/td>\nAcero aleado 20CrMnTi, carburizado y endurecido HRC 58-62<\/td>\n<\/tr>\n
Material de vivienda<\/td>\nGrey Cast Iron (HT200\/HT250)<\/td>\n<\/tr>\n
Protecci\u00f3n de sellado<\/td>\nRetenes de aceite multilabios NBR\/FKM, con clasificaci\u00f3n IP65+<\/td>\n<\/tr>\n
Lubricaci\u00f3n<\/td>\nAceite para engranajes SAE 80W-90 o 85W-140 EP<\/td>\n<\/tr>\n
Tratamiento de superficies<\/td>\nImprimaci\u00f3n electrofor\u00e9tica + recubrimiento en polvo de poli\u00e9ster, acabado rojo.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u2b50 Caracter\u00edsticas clave y ventajas de ingenier\u00eda<\/h2>\n
\n
\n

🔄<\/p>\n

Juntas de alta temperatura FKM Viton<\/h4>\n

Los sellos de eje de fluoroelast\u00f3mero tienen una clasificaci\u00f3n de temperatura de -25 \u00b0C a +200 \u00b0C, lo que garantiza un rendimiento sin fugas ante las fluctuaciones extremas de temperatura estacionales que se producen en la agricultura en cualquier condici\u00f3n clim\u00e1tica.<\/p>\n<\/div>\n

\n

🔨<\/p>\n

Perfil de buje inferior a 180 mm<\/h4>\n

Su dise\u00f1o vertical delgado permite una separaci\u00f3n reducida entre los discos para un corte continuo y sin superposiciones, algo fundamental para la formaci\u00f3n de hileras limpias en densos pastizales de alfalfa y pastos mixtos.<\/p>\n<\/div>\n

\n

🌡<\/p>\n

Cartuchos de rodamientos aut\u00f3nomos<\/h4>\n

Los cojinetes de cartucho precargados y prelubricados se instalan f\u00e1cilmente para un reemplazo r\u00e1pido en el campo, reduciendo el tiempo de inactividad no planificado debido a fallas en los cojinetes hasta en 70%.<\/p>\n<\/div>\n

\n

🛠<\/p>\n

Relleno de PAO sint\u00e9tico, de -40 a +150 \u00b0C<\/h4>\n

Envasado de f\u00e1brica con aceite para engranajes de polialfaolefina que mantiene la estabilidad de la viscosidad desde arranques en fr\u00edo en el \u00c1rtico hasta un funcionamiento prolongado a altas temperaturas en zonas tropicales, sin degradaci\u00f3n.<\/p>\n<\/div>\n

\n

🔬<\/p>\n

Through-Hardened Spur Gear Train<\/h4>\n

HRC 56-60 alloy steel spur gears designed for the high-impact reversing loads encountered during aggressive rotary tiller soil engagement.<\/p>\n<\/div>\n

\n

⚖<\/p>\n

3\u00d7 Peak Torque Output Capacity<\/h4>\n

Oversized output shaft rated for transient torques three times nominal, absorbing the repeated shock loads when tiller blades strike buried rocks and roots.<\/p>\n<\/div>\n<\/div>\n

\"Caja<\/div>\n

\ud83d\udd27 Compatibilidad de equipos y referencias cruzadas<\/h2>\n
\n

🔄 Cross-Reference Compatibility for EP-RC51<\/h3>\n

The EP-RC51 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:<\/p>\n

Bush Hog • Kioti • Vicon • Bomford • Valtra • Yanmar • Lovol • New Holland<\/p>\n

Descargo de responsabilidad: Las marcas mencionadas anteriormente se utilizan \u00fanicamente para identificar la compatibilidad. Ever-power Australia Mower Gearbox Co., Ltd. no est\u00e1 afiliada, respaldada ni autorizada por ninguno de los fabricantes mencionados. Todas las marcas registradas pertenecen a sus respectivos propietarios.<\/p>\n<\/div>\n

\ud83d\udcda Gu\u00eda de selecci\u00f3n de cajas de cambios<\/h2>\n

The correct gearbox specification depends on your tractor, implement, and field conditions. Evaluate these factors for the EP-RC51:<\/p>\n

\n📌 Standard Catalog vs Custom Specification<\/summary>\n
The EP-RC51 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.<\/div>\n<\/details>\n
\n\ud83d\udccc Compatibilidad con el tipo de eje de salida<\/summary>\n
The EP-RC51 features Spline \/ Taper spline output. Verify your blade hub or implement rotor accepts this shaft type before ordering. We offer multiple output configurations \u2014 spline, taper, keyway, and flange \u2014 to match virtually any existing installation.<\/div>\n<\/details>\n
\n\ud83d\udccc Consideraciones sobre el peso y el montaje<\/summary>\n
At 29 Kg, the EP-RC51 is designed for compact and sub-compact tractor implements. Confirm your implement frame and three-point hitch can support this weight plus the weight of the blade assembly. Mounting bolt pattern and orientation should match your existing layout.<\/div>\n<\/details>\n
\n\ud83d\udccc Adaptaci\u00f3n de la relaci\u00f3n de engranajes a la velocidad de la punta de la cuchilla<\/summary>\n
For the EP-RC51 with ratio(s) 1:1.47 \/ 1:1.93, 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 \u00f7 ratio. Multiply by blade diameter to get tip speed.<\/div>\n<\/details>\n
\n\ud83d\udccc Dimensionamiento de la potencia nominal en relaci\u00f3n a la potencia de la toma de fuerza del tractor (HP)<\/summary>\n
The EP-RC51 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.<\/div>\n<\/details>\n

\ud83c\udf3e Escenarios de aplicaci\u00f3n t\u00edpicos<\/h2>\n
\n
\n

🌾 Forestry site preparation and plantation row clearing<\/p>\n<\/div>\n

\n

🚘 Stubble incorporation and green manure tillage<\/p>\n<\/div>\n

\n

🌱 Municipal park and recreational reserve mowing<\/p>\n<\/div>\n

\n

⛰ Silage paddock management and pasture renovation<\/p>\n<\/div>\n

\n

🌳 Construction site vegetation clearing and preparation<\/p>\n<\/div>\n<\/div>\n

\"Planta<\/div>\n

\ud83d\udee0 Gu\u00eda de instalaci\u00f3n y configuraci\u00f3n<\/h2>\n
    \n
  1. Before operating at full load, run through a graduated break-in sequence: 30 minutes at half-throttle, then 30 minutes at three-quarter throttle, before engaging full PTO speed.<\/li>\n
  2. Inspect the implement mounting pad for flatness using a straightedge. Any warping exceeding 0.5 mm should be corrected before the new gearbox is installed.<\/li>\n
  3. Use Nord-Lock washers or thread-locking compound on all mounting bolts to prevent vibration-induced loosening during operation.<\/li>\n
  4. Haga funcionar la caja de cambios sin carga durante 5-10 minutos, luego ap\u00e1guela y vuelva a comprobar el nivel de aceite; los sellos y cojinetes nuevos suelen absorber una peque\u00f1a cantidad de aceite inicial.<\/li>\n
  5. Limpie a fondo la superficie de montaje del implemento, eliminando todo el \u00f3xido, los restos de juntas viejas, las escamas de pintura y los residuos que puedan impedir un contacto perfecto con la brida de la caja de engranajes.<\/li>\n
  6. Coloque la caja de cambios sobre los esp\u00e1rragos de montaje o los orificios para los pernos, verificando que el eje de entrada est\u00e9 orientado hacia la toma de fuerza del tractor y que el eje de salida est\u00e9 alineado con el cubo de la cuchilla o el rotor.<\/li>\n
  7. Aseg\u00farese de que el eje de la toma de fuerza tenga una superposici\u00f3n de estr\u00edas de al menos 50% en todas las posiciones de funcionamiento. Una superposici\u00f3n insuficiente provoca un desgaste r\u00e1pido de las estr\u00edas y una posible separaci\u00f3n del eje.<\/li>\n<\/ol>\n

    \u2753 Preguntas frecuentes<\/h2>\n
    \n
    \n❓ What PTO shaft should I pair with this gearbox?<\/summary>\n
    \n

    Use a standard agricultural PTO shaft rated for your tractor HP output with the matching spline profile. We strongly recommend shafts with shear bolt or friction clutch protection to prevent gearbox damage from sudden overloads.<\/p>\n<\/div>\n<\/details>\n

    \n❓ How does your pricing compare to genuine OEM parts?<\/summary>\n
    \n

    Our gearboxes use equivalent or superior materials at typically 30-50% less than OEM pricing. Independent testing confirms comparable or better performance and service life. The savings are significant for fleet operators.<\/p>\n<\/div>\n<\/details>\n

    \n❓ What gear oil specification does this gearbox require?<\/summary>\n
    \n

    Use SAE 80W-90 or SAE 85W-140 GL-5 extreme-pressure gear oil under normal conditions. For sub-zero climates below -20 \u00b0C, a synthetic 75W-90 ensures proper cold-start flow. Always check the sight glass or dipstick before each shift.<\/p>\n<\/div>\n<\/details>\n

    \n❓ Which tractor brands are compatible?<\/summary>\n
    \n

    Our gearboxes use standard PTO connections (1 3\/8″ 6-spline or 1 3\/4″ 20-spline) compatible with virtually every brand \u2014 John Deere, Kubota, Massey Ferguson, New Holland, Case IH, Kioti, Mahindra, and more.<\/p>\n<\/div>\n<\/details>\n

    \n❓ How noisy is this gearbox during operation?<\/summary>\n
    \n

    Our spiral bevel designs produce 72-78 dB(A) at 1 metre under rated load \u2014 significantly quieter than straight-bevel alternatives (typically 82-88 dB). Operators notice a meaningful reduction in gear whine.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

    \u2b50 Opiniones de clientes e informes de campo<\/h2>\n
    <\/p>\n
    <\/div>\n
    \n
    \n

    Colin P.<\/p>\n

    ★★★★★<\/p>\n<\/div>\n

    📍 Tasmania, Australia<\/p>\n

    We tested this against a competitor unit side by side. This one runs quieter, stays cooler, and the oil stayed cleaner over 200 hours.<\/p>\n<\/div>\n

    \n
    \n

    Ian F.<\/p>\n

    ★★★★★<\/p>\n<\/div>\n

    📍 Otago, New Zealand<\/p>\n

    First purchase from this manufacturer and I am thoroughly impressed. Build quality, documentation, and support were all top-notch.<\/p>\n<\/div>\n

    \n
    \n

    Henri D.<\/p>\n

    ★★★★★<\/p>\n<\/div>\n

    📍 Normandy, France<\/p>\n

    After comparing specifications across five brands, this offered the best combination of materials, weight, and price. No regrets.<\/p>\n<\/div>\n

    \n
    \n

    Yusuf A.<\/p>\n

    ★★★★☆<\/p>\n<\/div>\n

    📍 Konya, Turkey<\/p>\n

    Fitted to my brush hog last season. Over 400 hours and counting \u2014 zero leaks, minimal noise. Excellent value for a professional-grade unit.<\/p>\n<\/div>\n

    \n
    \n

    Tom W.<\/p>\n

    ★★★★☆<\/p>\n<\/div>\n

    📍 Iowa, United States<\/p>\n

    Running it on a 55-70 HP tractor through rocky paddocks. Handles rocks and rough ground without complaint. Very impressed with the build.<\/p>\n<\/div>\n<\/div>\n

    \"Gama<\/div>\n

    ⚖ EP-RC51 vs. Low-Cost Alternatives<\/h2>\n
    \n\n\n\n\n\n\n\n\n\n\n\n
    Caracter\u00edstica<\/th>\nEP-RC51 (Ever-power)<\/th>\nAlternativa gen\u00e9rica\/de bajo costo<\/th>\n<\/tr>\n<\/thead>\n
    Bearing Installation<\/td>\n✔ Interference Fit via Induction Heating<\/td>\n✘ Press Fit, Risk of Spinning-In-Bore<\/td>\n<\/tr>\n
    Bearing Preload<\/td>\n✔ Precision Shimmed, Zero End-Play<\/td>\n✘ No Preload Adjustment, Excessive Play<\/td>\n<\/tr>\n
    Gasket System<\/td>\n✔ Fluorocarbon O-Ring, No Re-Torque Needed<\/td>\n✘ Paper Gasket, Requires Annual Re-Torque<\/td>\n<\/tr>\n
    Lubrication System<\/td>\n✔ Splash + Directional Baffles, Full Coverage<\/td>\n✘ Basic Splash Only, Uneven Distribution<\/td>\n<\/tr>\n
    Housing<\/td>\n✔ Ductile Cast Iron or HT250 Grey Iron, 12-14mm Wall<\/td>\n✘ Thin-Wall Recycled Cast Iron, 8mm Wall<\/td>\n<\/tr>\n
    Surface Finish<\/td>\n✔ E-Coat Primer + Powder Coat, 80\u03bcm Total<\/td>\n✘ Spray Paint, 30-40\u03bcm, Chips Within Months<\/td>\n<\/tr>\n
    Noise Level<\/td>\n✔ 72-78 dB at 1m, Spiral Bevel Design<\/td>\n✘ 82-88 dB at 1m, Straight Bevel Design<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \ud83d\udd04 Productos y accesorios relacionados<\/h2>\n
    \n

    \n\"Heavy-Duty<\/p>\n
    \n

    Heavy-Duty PTO Drive Lines<\/p>\n

    Wide-angle, constant-velocity PTO shafts for demanding high-HP applications.<\/p>\n<\/div>\n

    <\/a>
    \n\"Disc<\/p>\n

    \n

    Disc Mower Cutter Bars<\/p>\n

    Replacement cutter bar assemblies and disc modules for all major mower brands.<\/p>\n<\/div>\n

    <\/a>
    \n\"Agricultural<\/p>\n

    \n

    Agricultural Chains & Pulleys<\/p>\n

    Roller chains, sprockets, and V-belt pulleys for auxiliary drives and conveyors.<\/p>\n<\/div>\n

    <\/a><\/div>\n

    Explore nuestra gama completa de componentes de transmisi\u00f3n agr\u00edcola<\/a> including PTO shafts, gears, pulleys, chains, and sprockets \u2014 all engineered to integrate seamlessly with EP-RC51 gearboxes.<\/p>\n<\/div>\n

    \ud83c\udfc6 Certificaciones y est\u00e1ndares de calidad<\/h2>\n

    Quality assurance is embedded in every step of EP-RC51 production, certified to ISO 9001:2015 standards. All forged gear blanks are ultrasonically inspected per ASTM A388 to ensure zero internal defects. Finished gears are checked on Gleason analyzers for profile, lead, pitch, and runout accuracy. Each assembled unit is run-tested at rated speed before release.<\/p>\n

    \ud83c\udfed \u00bfPor qu\u00e9 elegir Ever-power Australia Mower Gearbox Co.,Ltd.?<\/h2>\n

    Ever-power Australia Mower Gearbox Co.,Ltd. was founded with a simple mission: give farmers worldwide access to durable, fairly priced power transmission components. Today, our vertically integrated operation \u2014 from raw steel procurement to finished-product testing \u2014 processes over 4100 tonnes of alloy steel annually. Our ISO 9001:2015-certified factory employs 260 skilled technicians and engineers, each contributing to our industry-leading 98.5% on-time delivery rate and less than 0.3% field return rate.<\/p>\n

    \"eje<\/div>\n
    \n

    📞 Get Your EP-RC51 Quote Today<\/h3>\n

    Whether you need a single EP-RC51 replacement or a container load for your production line, we deliver. Reach out to our sales team for volume pricing and priority lead times.<\/p>\n

    Solicitar presupuesto<\/a>Ver todos los productos<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    The EP-RC51 is a 30 HP dual-ratio gearbox weighing 29 kg with both spline and taper-spline output options. Farmers looking for a rugged, no-frills replacement gearbox for 5-foot and 6-foot rotary cutters find the RC51 delivers the right balance of build quality, versatility, and value.<\/p>","protected":false},"featured_media":1399,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[3074],"product_tag":[3085,3154,3153,3151,3152],"class_list":{"0":"post-1450","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mower-gearbox","7":"product_tag-30hp-rotary-cutter-gearbox","8":"product_tag-agricultural-bevel-gear-drive","9":"product_tag-compact-lawn-mower-gearbox","10":"product_tag-dual-ratio-pto-gearbox","11":"product_tag-spline-output-mower-gearbox","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/product\/1450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/comments?post=1450"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/media\/1399"}],"wp:attachment":[{"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/media?parent=1450"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/product_brand?post=1450"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/product_cat?post=1450"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mowergearbox.top\/es\/wp-json\/wp\/v2\/product_tag?post=1450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}