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Built to Last: EP-01-661 Industrial Rotary Cutter Gearbox
The EP-01-661 is built for the operator who values uptime above all else. This skrzynia biegów rolnicza handles 80 KM through precision-machined spiral bevel gears, supported by premium bearings and multi-stage sealing for maximum service life.
📈 EP-01-661 Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | EP-01-661 |
| Gearbox Type | Industrial Rotary Cutter Gearbox |
| Gear Ratio(s) | 1:1.3 |
| Teeth Configuration | 26/20 |
| Gear Module | 5.644 |
| Rated Power | 80 KM |
| Input Speed | 540 obr./min |
| Input/Output Shaft | 1 3/4 Z20 |
| Net Weight | 57.5 Kg |
| Gear Material | 20CrMnTi Alloy Steel, Carburized & Hardened HRC 58-62 |
| Housing Material | Ductile Cast Iron (QT450-10) |
| Seal Protection | Multi-Lip NBR/FKM Oil Seals, IP65+ Rated |
| Lubrication | SAE 80W-90 or 85W-140 EP Gear Oil |
| Surface Treatment | E-Coat Primer + Polyester Powder Coat, Red Finish |
⭐ Key Features & Engineering Advantages
⚗
Five-Stage Hermetic Sealing
Labyrinth + double Viton + pressurized grease chamber + armored shield maintain hermetic integrity even during full submersion or high-pressure washdown.
🔒
8-Bolt Forged 4340 Output Hub
Nickel-chrome-moly steel output hub rated for 80 kg blade assemblies and sustained cutting torques above 2,000 Nm — our strongest output interface.
⚡
FKM Viton High-Temperature Seals
Fluoroelastomer shaft seals rated from -25 °C to +200 °C, maintaining leak-free performance through the extreme seasonal temperature swings encountered in all-weather farming.
🔄
Sub-180 mm Hub Profile
Slim vertical envelope allows close disc spacing for continuous, overlap-free cutting — critical for clean swath formation in thick alfalfa and mixed-grass stands.
🔨
Self-Contained Bearing Cartridges
Pre-loaded, pre-lubricated cartridge bearings drop in for rapid field replacement, slashing unplanned downtime from bearing failures by up to 70%.
🌡
Synthetic PAO Fill, -40 to +150 °C
Factory-filled with polyalphaolefin gear oil maintaining viscosity stability from arctic cold starts to sustained high-temperature tropical operation without degradation.
🔧 Equipment Compatibility & Cross-Reference
🔄 Cross-Reference Compatibility for EP-01-661
The EP-01-661 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:
Zoomlion • Case IH • Land Pride • Mahindra • Pöttinger • TAFE • McCormick • Mitsubishi
Disclaimer: Brand names above are referenced solely for compatibility identification. Ever-power Australia Mower Gearbox Co.,Ltd. is not affiliated with, endorsed by, or authorized by any listed manufacturer. All trademarks belong to their respective owners.
📚 Gearbox Selection Guide
The EP-01-661 covers a specific performance envelope. Use these selection criteria to verify it aligns with your operational parameters:
🌾 Typical Application Scenarios
🌾 Estate, golf course, and sportsfield maintenance
🚘 Flail mulching of pruning residue in fruit plantations
🌱 Orchard and vineyard floor maintenance between rows
⛰ Mining site vegetation rehabilitation and control
🌳 Forestry site preparation and plantation row clearing
🛠 Installation & Setup Guide
- Run the gearbox at no load for 5-10 minutes, then shut down and re-check oil level — new seals and bearings often absorb a small amount of initial oil.
- 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.
- 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.
- Ensure the PTO shaft has at least 50% spline overlap in all operating positions. Inadequate overlap causes rapid spline wear and potential shaft separation.
- Record the installation date, tractor hour meter reading, and gearbox serial number in your maintenance log for warranty and service interval tracking.
- 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.
- 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.
❓ Frequently Asked Questions
⭐ Customer Reviews & Field Reports
Bruce K.
★★★★★
📍 New South Wales, Australia
We run these on land management in high-temperature conditions. Absolutely no overheating after 600+ hours. Thermals are well managed.
Erik S.
★★★★★
📍 Skåne, Sweden
Perfect for our pasture maintenance. The compact design fits between rows with room to spare. Very reliable day-to-day operation.
Maria G.
★★★★★
📍 Alentejo, Portugal
Good quality for the price. Our crew runs these gearboxes hard and they hold up better than previous brands we have tried.
David L.
★★★★☆
📍 Canterbury, New Zealand
We fitted six of these across our fleet. Every single unit has performed flawlessly through two complete cutting seasons.
Andrei M.
★★★★☆
📍 Krasnodar, Russia
Excellent for paddock clearing. The split-line O-ring seal makes maintenance easy and keeps unplanned downtime to a minimum.
⚖ EP-01-661 vs. Low-Cost Alternatives
| Feature | EP-01-661 (Ever-power) | Generic / Low-Cost Alternative |
|---|---|---|
| Documentation | ✔ Full Drawings, Cross-Reference, Install Guide | ✘ Basic Single-Page Spec Sheet Only |
| Fastener Protection | ✔ Zinc-Flake Coated Grade 10.9 Bolts | ✘ Plain Steel Grade 8.8, Corrodes and Seizes |
| Oil Level Check | ✔ Clear Sight Glass + Dipstick Standard | ✘ No Sight Glass, Must Remove Fill Plug |
| After-Sales Support | ✔ Dedicated Technical Team, Video Call Support | ✘ Email Only, 1-2 Week Response Time |
| Engineering Support | ✔ Free Application Engineering & Cross-Reference | ✘ No Technical Support Provided |
| Oil Seals | ✔ Double-Lip NBR/FKM, IP65 Rated | ✘ Single-Lip NBR, No Dust Lip |
| Dimensional Tolerance | ✔ ISO IT6-IT7, CNC Machined Throughout | ✘ ISO IT9-IT10, Partially Hand-Finished |
🔄 Related Products & Accessories
Browse our complete range of agricultural transmission components including PTO shafts, gears, pulleys, chains, and sprockets — all engineered to integrate seamlessly with EP-01-661 gearboxes.
🏆 Certifications & Quality Standards
Manufactured under ISO 9001:2015 and audited annually by international OEM customers, the EP-01-661 represents our commitment to world-class quality. Gear material certificates (3.1), heat-treatment records, bearing lot traceability, and final inspection reports are maintained for every production batch and available upon customer request.
🏭 Why Choose Ever-power Australia Mower Gearbox Co.,Ltd.?
At Ever-power Australia Mower Gearbox Co.,Ltd., we are not just a gearbox factory — we are a full-service power transmission partner. From initial application engineering and 3D prototype modelling through to volume production, global logistics, and after-sales technical support, we manage the complete product lifecycle. Our 18500 m² facility in China is audited annually by international OEM customers and consistently rated among the top-tier suppliers in the agricultural transmission sector.
📞 Get Your EP-01-661 Quote Today
Need the EP-01-661 shipped fast? In-stock standard models dispatch within 3-5 business days. Contact us now to confirm availability and lock in today’s pricing before your next mowing season.
