{"id":1983,"date":"2026-03-23T08:45:21","date_gmt":"2026-03-23T08:45:21","guid":{"rendered":"https:\/\/ptogearbox.xyz\/product\/ep20-100j-01ww-lawn-mower-pto-gearbox\/"},"modified":"2026-03-23T08:45:38","modified_gmt":"2026-03-23T08:45:38","slug":"ep20-100j-01ww-lawn-mower-pto-gearbox","status":"publish","type":"product","link":"https:\/\/ptogearbox.xyz\/uk\/product\/ep20-100j-01ww-lawn-mower-pto-gearbox\/","title":{"rendered":"EP20.100J.01WW Lawn Mower PTO Gearbox"},"content":{"rendered":"
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\n<\/p>\n

EP20.100J.01WW Lawn Mower PTO Gearbox \u2014 Precision PTO Gearbox for Agricultural Implements<\/h2>\n

Engineered for peak field performance, the EP20.100J.01WW Lawn Mower PTO Gearbox combines advanced spiral bevel gear technology with a durable ductile cast iron enclosure. Operating at 1:1 reduction ratio and handling up to 100 \/ 120HP, it meets the rigorous demands of modern farming.<\/p>\n

\"EP20.100J.01WW<\/p>\n

📋 EP20.100J.01WW Technical Specifications<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Model<\/strong><\/td>\nEP20.100J.01WW<\/td>\n<\/tr>\n
Gear Ratio<\/strong><\/td>\n1:1<\/td>\n<\/tr>\n
Gear Teeth<\/strong><\/td>\n15\/15<\/td>\n<\/tr>\n
Gear Module<\/strong><\/td>\n5.4<\/td>\n<\/tr>\n
Rated Power (HP)<\/strong><\/td>\n100 \/ 120<\/td>\n<\/tr>\n
Rated Input Speed<\/strong><\/td>\n540 RPM<\/td>\n<\/tr>\n
Input\/Output<\/strong><\/td>\n1 3\/8 Z6<\/td>\n<\/tr>\n
Gear Material<\/strong><\/td>\n20CrMnTi Alloy Steel, Carburized & Quenched (58-62 HRC)<\/td>\n<\/tr>\n
Housing Material<\/strong><\/td>\nDuctile Cast Iron<\/td>\n<\/tr>\n
Bearings<\/strong><\/td>\nTapered Roller Bearings<\/td>\n<\/tr>\n
Seals<\/strong><\/td>\nDouble-Lip NBR Oil Seals with Dust Excluder<\/td>\n<\/tr>\n
Net Weight<\/strong><\/td>\n16 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

⭐ Key Features & Engineering Advantages<\/h3>\n
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💧 IP65 Dust & Moisture Sealed<\/h4>\n

Double-lip NBR oil seals with dust excluder design rated IP65 keep contaminants out and lubricant in \u2014 critical for gearboxes operating in dusty, wet grass-cutting environments.<\/p>\n<\/div>\n

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⚡ 96% Transmission Efficiency<\/h4>\n

Precision-lapped spiral bevel gear tooth profiles minimize friction losses, delivering 96%+ mechanical efficiency \u2014 translating to lower fuel consumption and reduced tractor PTO load during extended mowing sessions.<\/p>\n<\/div>\n

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🔧 Drop-In Replacement Compatibility<\/h4>\n

Mounting bolt patterns and shaft dimensions are engineered to match or replace major aftermarket and OEM mower gearbox specifications, enabling quick swap-outs without modification. (Brand names referenced for fitment only \u2014 not trademark claims.)<\/em><\/p>\n<\/div>\n

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💥 Shock Load Resistant Design<\/h4>\n

Integrated shear bolt protection and oversized tapered roller bearings absorb sudden impact loads \u2014 ideal for rotary cutters hitting hidden obstacles at speed.<\/p>\n<\/div>\n

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🌡️ Extended Temperature Lubricant<\/h4>\n

Factory-filled with EP90 gear oil rated for operation from -25\u00b0C to +120\u00b0C, enabling reliable performance across seasons from frozen winter fields to scorching summer conditions.<\/p>\n<\/div>\n

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📈 Multiple Gear Ratio Options<\/h4>\n

Available in multiple gear ratio configurations to match different blade tip speed and torque requirements \u2014 from light grass trimming to heavy brush cutting.<\/p>\n<\/div>\n<\/div>\n

🔄 Compatibility & Fitment Information<\/h3>\n

The EP20.100J.01WW 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 \u2014 these are not trademark claims):<\/p>\n

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Bush Hog<\/span>
\nJohn Deere<\/span>
\nMassey Ferguson<\/span>
\nLand Pride<\/span>
\nWoods<\/span>
\nRhino<\/span>
\nKing Kutter<\/span>
\nAgri Supply<\/span>
\nToro<\/span>
\nBefco<\/span>\n<\/div>\n

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.<\/p>\n

🔎 Selection & Sizing Guide<\/h3>\n

Choosing the right lawn mower gearbox depends on your specific cutting conditions, tractor PTO power, and implement size. Here is a structured approach to selecting the EP20.100J.01WW:<\/p>\n

\n⚙ Matching Gear Ratio to Application<\/summary>\n
\n

1:1 to 1:1.5 ratio<\/strong> \u2014 Minimal speed reduction; used when the implement blade\/tine speed should closely match PTO speed. Common for finishing mowers and light-duty applications.<\/p>\n

1:1.5 to 1:2 ratio<\/strong> \u2014 Moderate torque increase with proportional speed decrease. Suitable for standard rotary cutters, medium-duty mowers, and general-purpose implements.<\/p>\n

1:2.5 to 1:3+ ratio<\/strong> \u2014 High torque multiplication for heavy loads. Essential for rotary cultivators, post hole diggers, and brush cutters working in dense material.<\/p>\n<\/div>\n<\/details>\n

\n⚡ Matching Tractor HP to Gearbox Power Rating<\/summary>\n
\n

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.<\/p>\n<\/div>\n<\/details>\n

\n🔄 540 RPM vs 1000 RPM \u2014 Which PTO Speed?<\/summary>\n
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540 RPM PTO<\/strong> is the standard for most agricultural implements under 100HP. The EP20.100J.01WW is designed for 540 RPM input. 1000 RPM PTO<\/strong> 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.<\/p>\n<\/div>\n<\/details>\n

\n🛡 Aluminum vs Cast Iron Housing<\/summary>\n
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Aluminum<\/strong>: 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.<\/p>\n

Cast Iron<\/strong>: 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.<\/p>\n<\/div>\n<\/details>\n

\n🔧 Standard vs Custom Gearbox<\/summary>\n
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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<\/a> to discuss your custom requirements.<\/p>\n<\/div>\n<\/details>\n

🌱 Typical Application Scenarios<\/h3>\n

\"EP20.100J.01WW<\/p>\n

\n
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Roadside & Verge Cutting<\/h4>\n

Municipal and contractor mowing of highway shoulders, medians, and public land verges.<\/p>\n<\/div>\n

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Orchard Floor Management<\/h4>\n

Under-canopy mowing in fruit orchards to control weed competition and facilitate harvest access.<\/p>\n<\/div>\n

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Brush & Scrub Clearing<\/h4>\n

Heavy rotary cutting of woody brush, saplings, and overgrown vegetation on reclaimed land.<\/p>\n<\/div>\n

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Sports Turf Preparation<\/h4>\n

Wide-area mowing of sports fields, parks, and recreational turf areas.<\/p>\n<\/div>\n<\/div>\n

🛠 Installation & Setup Guide<\/h3>\n

Follow these steps to install the EP20.100J.01WW on your implement. Always refer to the included instruction manual for model-specific torque values and safety precautions.<\/p>\n

    \n
  1. Disconnect the PTO shaft from the tractor and secure the mower deck on a flat, stable surface. Ensure the tractor engine is off and PTO is disengaged.<\/li>\n
  2. Remove the old gearbox by unbolting the mounting flange (typically 4 or 6 bolts). Note the orientation of input and output shafts before removal.<\/li>\n
  3. Clean the mounting surface on the mower deck thoroughly. Remove any old gasket material, dirt, or corrosion to ensure a flat, sealed mating surface.<\/li>\n
  4. Position the new EP20.100J.01WW gearbox onto the mounting flange, aligning bolt holes. Insert mounting bolts hand-tight first, then torque to the specification in the installation manual (typically 45-65 Nm).<\/li>\n
  5. Connect the PTO drive shaft to the gearbox input shaft. Ensure the spline engagement is complete and the shear bolt is correctly installed.<\/li>\n
  6. Check that the gearbox oil level is at the level plug. Top up with SAE 90 gear oil if necessary.<\/li>\n
  7. Run the gearbox at low PTO speed for 5 minutes without load to verify smooth operation, correct rotation direction, and absence of unusual noise or vibration.<\/li>\n<\/ol>\n

    ❓ Frequently Asked Questions<\/h3>\n
    \n
    \nWhat warranty is provided?<\/summary>\n
    \n

    Every EP gearbox comes with a 12-month limited warranty covering manufacturing defects in materials and workmanship under normal operating conditions. Extended warranty options are available for fleet and dealer customers.<\/p>\n<\/div>\n<\/details>\n

    \nIs the gearbox shipped with oil?<\/summary>\n
    \n

    Yes, all gearboxes are factory-filled with the correct grade and quantity of gear oil, ready for installation. A spare oil seal kit is also included.<\/p>\n<\/div>\n<\/details>\n

    \nWhat oil should I use in this mower gearbox?<\/summary>\n
    \n

    We recommend SAE 90 or EP90 gear oil for standard operating conditions. For extreme cold climates (below -15°C), use SAE 80W-90 synthetic blend gear oil. Fill to the level plug indicator \u2014 typically 0.8 to 1.2 liters depending on model size.<\/p>\n<\/div>\n<\/details>\n

    \nHow often should I change the gearbox oil?<\/summary>\n
    \n

    Initial oil change after the first 50 hours of operation, then every 200-250 operating hours or annually \u2014 whichever comes first. Check oil level before each use session and top up if needed.<\/p>\n<\/div>\n<\/details>\n

    \nCan this gearbox run on a 1000 RPM PTO?<\/summary>\n
    \n

    No. This gearbox is rated for 540 RPM PTO input. Running at 1000 RPM will exceed the gear design speed, cause overheating, and void the warranty. If your tractor has a 1000 RPM PTO, use a PTO speed reducer adapter.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

    💬 Customer Reviews & Field Reports<\/h3>\n
    \n
    \n
    \n\n<\/div>\n
    \n
    ★★★★☆<\/div>\n

    “Solid gearbox for the price. Fit my rotary cutter without any drilling or modifications. Only reason for 4 stars is the manual could be more detailed, but the product itself is A+.”<\/p>\n

    \u2014 Carlos R.<\/span>, Texas, USA<\/p>\n<\/div>\n

    \n
    ★★★★★<\/div>\n

    “We operate 12 mowers on our municipal fleet. Switched to EP gearboxes last season and reduced our maintenance downtime by 30%. Outstanding value for professional use.”<\/p>\n

    \u2014 Klaus W.<\/span>, Bavaria, Germany<\/p>\n<\/div>\n

    \n
    ★★★★★<\/div>\n

    “Best PTO gearbox I have used in 15 years of farming. The gear teeth finish is very good and it runs cool even in 45\u00b0C summer heat. Highly recommend to other Indian farmers.”<\/p>\n

    \u2014 Rajesh P.<\/span>, Punjab, India<\/p>\n<\/div>\n

    \n
    ★★★★☆<\/div>\n

    “Bought two units for our sheep station mowers. Good quality build, shipped well-packed. Fitment was exact match for our existing setup. Will order again.”<\/p>\n

    \u2014 Tom H.<\/span>, Canterbury, New Zealand<\/p>\n<\/div>\n

    \n
    ★★★★★<\/div>\n

    “Replaced the factory gearbox on my 6-foot rotary cutter with the EP model. Runs noticeably smoother and quieter. Already done 400 hours on tough coastal grass \u2014 zero issues. Shipping to Aus was faster than expected too.”<\/p>\n

    \u2014 Mark T.<\/span>, Queensland, Australia<\/p>\n<\/div>\n

    📈 EP20.100J.01WW vs Economy Gearboxes \u2014 Head-to-Head Comparison<\/h3>\n

    Before selecting a PTO gearbox, compare the EP20.100J.01WW specifications against common economy alternatives to see where the real differences lie:<\/p>\n

    \n\n\n\n\n\n\n\n\n\n\n\n\n
    Feature<\/th>\nEP20.100J.01WW (Ever-power)<\/th>\nEconomy Alternative<\/th>\n<\/tr>\n<\/thead>\n
    Gear Material<\/td>\n20CrMnTi Alloy Steel (58-62 HRC)<\/td>\n40Cr or plain carbon steel (45-50 HRC)<\/td>\n<\/tr>\n
    Heat Treatment<\/td>\nCarburizing + Quenching + Tempering<\/td>\nSurface hardening only<\/td>\n<\/tr>\n
    Housing<\/td>\nDuctile Cast Iron (tensile > 450 MPa)<\/td>\nGrey cast iron or recycled aluminum<\/td>\n<\/tr>\n
    Bearings<\/td>\nTapered roller bearings (major brand)<\/td>\nDeep groove ball bearings (unbranded)<\/td>\n<\/tr>\n
    Seals<\/td>\nDouble-lip NBR\/Viton with dust excluder<\/td>\nSingle-lip generic rubber seal<\/td>\n<\/tr>\n
    Transmission Efficiency<\/td>\n96%+<\/td>\n88-92%<\/td>\n<\/tr>\n
    Service Life (estimated)<\/td>\n3,000+ hours<\/td>\n800-1,200 hours<\/td>\n<\/tr>\n
    Warranty<\/td>\n12 months<\/td>\n3-6 months or none<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    🔗 Related Products & Accessories<\/h3>\n

    \"PTO<\/p>\n

    \n
    \n

    PTO Drive Shafts<\/p>\n

    Wide angle, telescoping, and standard PTO shafts with shear bolt and slip clutch protection.<\/p>\n<\/div>\n

    \n

    Replacement Gears & Bearings<\/p>\n

    OEM-quality spiral bevel gear sets, tapered roller bearings, and oil seal kits for field repairs.<\/p>\n<\/div>\n

    \n

    Sprockets, Pulleys & Chains<\/p>\n

    Agricultural roller chain, sprockets, V-belt pulleys, and timing belt pulleys for implement drives.<\/p>\n<\/div>\n

    \n

    Custom OEM Gearboxes<\/p>\n

    Custom gear ratios, shaft configurations, and housing designs for implement manufacturers (MOQ 50+).<\/p>\n<\/div>\n<\/div>\n

    ➔ Browse our full product catalog<\/a><\/p>\n

    🏆 Certifications & Quality Standards<\/h3>\n
    \n
    \n

    ISO 9001:2015 Certified<\/h4>\n

    Our manufacturing facility operates under a certified ISO 9001:2015 quality management system, ensuring consistent product quality from raw material inspection through final testing.<\/p>\n<\/div>\n

    \n

    Material Test Certificates<\/h4>\n

    Every batch of 20CrMnTi gear steel is accompanied by a mill certificate verifying chemical composition and mechanical properties. Hardness testing reports are available on request.<\/p>\n<\/div>\n

    \n

    100% Factory Tested<\/h4>\n

    Each gearbox undergoes run-in testing, noise measurement, and oil leak inspection before packaging. No unit ships without passing our final QC gate.<\/p>\n<\/div>\n<\/div>\n

    🏭 About Ever-power Australia PTO Gearbox Co.,Ltd.<\/h3>\n

    \"Ever-power<\/p>\n

    We are a specialist manufacturer of agricultural PTO gearboxes, drive shafts, and power transmission components with over 19 years of production experience. Our 3,800 m² facility houses CNC gear hobbing, grinding, and heat treatment lines capable of producing over 50,000 gearbox units annually. More than 95% of our production is exported to Europe, Australia, North America, and Asia, serving both aftermarket distributors and OEM implement manufacturers.<\/p>\n

    We offer full OEM and ODM services \u2014 from custom gear ratio engineering to private-label packaging. Our minimum order quantities start at just 50 units for custom specifications, and we maintain ready stock of popular models for immediate dispatch. Whether you need a single replacement gearbox or a container load for your distribution network, we deliver competitive pricing, consistent quality, and responsive technical support.<\/p>\n

    📞 Ready to Order the EP20.100J.01WW? Let’s Talk.<\/h3>\n
    \n

    Whether you need a single replacement unit or bulk OEM supply, our team is ready to assist with product selection, pricing, and fast international shipping. Contact us today for a free quote.<\/p>\n

    ✉ Request a Quote Now<\/a><\/p>\n

    ➔ Visit our homepage for more products<\/a><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    The EP20.100J.01WW<\/strong> is a purpose-built Lawn Mower PTO Gearbox<\/strong> that converts tractor PTO rotational power into implement drive force through a right-angle spiral bevel gear train. Rated for 100 \/ 120 HP<\/strong> at 540 RPM<\/strong> with a 1:1<\/strong> gear ratio, it serves crop farmers, livestock producers, and grounds maintenance professionals who need uninterrupted operation across long working days. Hardened alloy steel gears, sealed bearings, and precision-machined housing ensure durability in dust, debris, and variable weather conditions.<\/p>","protected":false},"featured_media":1935,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[1718],"product_tag":[1842,1841,1844,1845,1843],"class_list":{"0":"post-1983","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-lawn-mower-gearboxes","7":"product_tag-11-ratio-pto-gearbox","8":"product_tag-100hp-direct-drive-gearbox","9":"product_tag-equal-ratio-mower-drive","10":"product_tag-farm-equipment-transmission","11":"product_tag-high-power-lawn-mower-gearbox","13":"first","14":"instock","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/product\/1983","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/comments?post=1983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/media\/1935"}],"wp:attachment":[{"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/media?parent=1983"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/product_cat?post=1983"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ptogearbox.xyz\/uk\/wp-json\/wp\/v2\/product_tag?post=1983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}