Description
Reliable Flail Mower Gearbox for Every Field: EP-LF211
When your lawn mower gearbox needs to perform without question, the EP-LF211 delivers. Rated for 20 HP at 540 rpm, its carburized spiral bevel gears and environmentally sealed housing handle everything from fine pasture topping to aggressive brush clearing.
📈 EP-LF211 Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | EP-LF211 |
| Gearbox Type | Flail Mower Gearbox |
| Gear Ratio(s) | 1:2.83 |
| Teeth Configuration | 34/12 |
| Gear Module | 3.36 |
| Rated Power | 20 HP |
| Input Speed | 540 rpm |
| Input/Output Shaft | 1 3/8 Z6, Optic axis |
| Net Weight | 14.5 Kg |
| Gear Material | 20CrMnTi Alloy Steel, Carburized & Hardened HRC 58-62 |
| Housing Material | Grey Cast Iron (HT200/HT250) |
| 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
🔄
20CrMnTi Forged Gear Blanks
All gear blanks are closed-die forged (not cast) to align grain flow with tooth roots, increasing bending fatigue strength by 30% over alternative casting methods.
🔨
97%+ Mechanical Efficiency Rating
Super-finished gear flanks (Ra ≤ 0.6 μm) and optimized tooth contact deliver over 97% efficiency, reducing fuel consumption and allowing cooler continuous operation.
🌡
Premium Tapered Roller Bearings
All positions fitted with Japanese-standard tapered roller bearings rated for 5,000+ hours L10 life, handling combined radial and thrust loads simultaneously.
🛠
GGG-50 Spheroidal Iron Casing
EN-GJS-500-7 housing tested to 25 bar hydrostatic pressure, providing extreme fatigue strength for applications exceeding 100 HP continuous input power.
🔬
1 3/4″ Z20 Heavy-Duty Input Spline
Oversized 20-spline input rated for tractors to 160 HP, with hardened spline teeth and precision-honed bore for zero-backlash PTO engagement.
⚖
Double-Row Output Bearings
Paired tapered roller bearings at the output position handle 45+ kN radial load, holding the shaft rigid under maximum cutting force from thick brush.
🔧 Equipment Compatibility & Cross-Reference
🔄 Cross-Reference Compatibility for EP-LF211
The EP-LF211 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:
Woods • Krone • McConnel • Fendt • Iseki • YTO • Massey Ferguson • Deutz-Fahr
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
A well-matched gearbox delivers years of trouble-free service. Follow this guide to confirm the EP-LF211 is the optimal choice for your needs:
🌾 Typical Application Scenarios
🌾 Land clearing of light to medium regrowth scrub
🚘 Hay field pre-cut conditioning and topping
🌱 Seed crop header trail and paddock boundary mowing
⛰ Rotary cutting of improved pasture on dairy and beef farms
🌳 Solar farm ground cover and weed management
🛠 Installation & Setup Guide
- Apply a thin, even bead of RTV silicone sealant to the mounting flange face if a pre-cut gasket is not included with the new gearbox.
- Connect the PTO drive shaft to the gearbox input spline. Push the shaft on fully and verify it telescopes freely through the complete range of three-point hitch travel.
- After the first 10 hours of operation, re-torque all mounting bolts to specification and verify oil level. Perform the first oil drain and refill at 50 hours.
- Disconnect the tractor PTO shaft and safely support the mower implement on jack stands or blocks before beginning the gearbox installation procedure.
- For units weighing over 25 kg, use a chain hoist, engine crane, or two-person lift to position the gearbox. Never attempt to lift heavy gearboxes solo.
- Fill the gearbox with the recommended gear oil (SAE 80W-90 or 85W-140 EP) to the level indicated on the sight glass or dipstick. Do not overfill.
- 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.
❓ Frequently Asked Questions
⭐ Customer Reviews & Field Reports
Colin P.
★★★★★
📍 Tasmania, Australia
Fast shipping, professional packaging, and the gearbox itself is built like a tank. Highly recommended for serious agricultural work.
Miguel S.
★★★★★
📍 São Paulo, Brazil
Installed on a pasture topper that sees 8+ hours of use per day during season. Absolutely dependable. That is all I ask of a gearbox.
Erik S.
★★★★★
📍 Skåne, Sweden
We maintain 40+ mowers for council contracts. Switching to this brand has reduced our gearbox failure rate by over 60 percent.
Maria G.
★★★★☆
📍 Alentejo, Portugal
Running in extreme cold (-25 °C) winters and hot summers. Synthetic oil in this gearbox handles both extremes without issue.
David L.
★★★★☆
📍 Canterbury, New Zealand
We replaced three OEM gearboxes with this model across our fleet. Gear quality and seal performance are noticeably superior. Reordering for next season.
⚖ EP-LF211 vs. Low-Cost Alternatives
| Feature | EP-LF211 (Ever-power) | Generic / Low-Cost Alternative |
|---|---|---|
| Gear Accuracy | ✔ AGMA Class 8-10, CNC Ground Post Heat-Treatment | ✘ AGMA Class 5-6, Hobbed Only, No Grinding |
| Oil Capacity | ✔ Generous Sump for Extended Cooling, Sight Glass | ✘ Minimal Oil Volume, No Level Indicator |
| Drain Plug | ✔ Magnetic Plug Captures Wear Particles | ✘ Standard Plug, No Particle Capture |
| Traceability | ✔ Laser-Etched Serial, Full Material Records | ✘ No Serial Number, No Traceability |
| Housing Machining | ✔ 5-Axis CNC, IT6 Bore Tolerance | ✘ 3-Axis CNC or Manual, IT9 Bore Tolerance |
| Spare Parts Availability | ✔ Full Inventory, Ships Within 24 Hours | ✘ Limited Stock, 4-8 Week Back-Order |
| Lead Time | ✔ 3-5 Days Standard, 4-6 Weeks Custom | ✘ 8-12 Weeks, No Expedite Option |
🔄 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-LF211 gearboxes.
🏆 Certifications & Quality Standards
Every EP-LF211 carries the weight of our ISO 9001:2015 quality system and 20+ years of continuous improvement. We use statistical process control (SPC) on critical gear dimensions, maintain measurement system analysis (MSA) per AIAG standards, and archive all inspection data for a minimum of 10 years. This discipline is why our field failure rate remains below 0.3%.
🏭 Why Choose Ever-power Australia Mower Gearbox Co.,Ltd.?
We built Ever-power Australia Mower Gearbox Co.,Ltd. on the principle that no farmer should have to choose between quality and affordability. Every gearbox leaving our factory undergoes 100% dimensional inspection on Zeiss CMMs, gear geometry verification on Gleason analyzers, hydrostatic leak testing, and no-load run-in testing. This multi-stage quality gate is why Ever-power Australia Mower Gearbox Co.,Ltd. gearboxes are trusted by agricultural dealers in 39+ countries — and why our repeat order rate exceeds 85% year after year.
📞 Get Your EP-LF211 Quote Today
Your mowing equipment deserves a gearbox engineered for the long haul. Request your EP-LF211 quote today and join thousands of satisfied operators who made the switch to Ever-power Australia Mower Gearbox Co.,Ltd..
