Gearbox Mesin Pemotong Rumput EP-55

Gearbox Mesin Pemotong Rumput EP-55

The EP-55 provides 50 HP capacity in a heavy-duty 1:1.6 ratio configuration with module 6.0 gears. Agricultural contractors and livestock producers rely on this gearbox for sustained high-load mowing across large paddocks, where its oversized seals and deep oil sump ensure all-day productivity without overheating.

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High-Performance Heavy-Duty Rotary Cutter Gearbox: EP-55 by Ever-power Australia Mower Gearbox Co.,Ltd.

Engineered for sustained heavy use, the EP-55 girboks mesin pemotong rumput converts your tractor’s PTO output into efficient cutting force. Rated at 50 HP with gear ratio options of 1:1.6, this unit combines flexibility with the durability that commercial operators demand.

EP-55 Heavy-Duty Rotary Cutter Gearbox

📈 EP-55 Technical Specifications

Parameter Spesifikasi
Nomor Model EP-55
Jenis Gearbox Heavy-Duty Rotary Cutter Gearbox
Rasio Gigi 1:1.6
Konfigurasi Gigi 15/24
Modul Gigi 6.0
Daya Terukur 50 HP
Kecepatan Masukan 540 rpm
Poros Masukan/Keluaran 1 3/8 Z6, Cone base aequilate spline shaft
Berat Bersih 28.7 Kg
Bahan Roda Gigi Baja Paduan 20CrMnTi, Dikarburisasi & Dikeraskan HRC 58-62
Bahan Perumahan Besi Cor Abu-abu (HT200/HT250)
Perlindungan Segel Segel Oli Multi-Bibir NBR/FKM, Peringkat IP65+
Pelumasan Oli roda gigi SAE 80W-90 atau 85W-140 EP
Perawatan Permukaan Primer E-Coat + Lapisan Serbuk Poliester, Warna Merah

⭐ Fitur Utama & Keunggulan Teknik

⚗

Dual-Lip NBR Oil Seals

Twin-lip nitrile seals with integrated dust excluder on every shaft exit, rated to IP65, preventing moisture and crop debris from entering the gear chamber.

🔒

Optimized Lightweight Geometry

Finite-element-optimized casing walls remove unnecessary material while maintaining full load capacity, reducing installed weight by 15% versus previous-generation housings.

⚡

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 â‰Ī 0.6 Ξm) 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.

Mower gearbox in agricultural use

🔧 Kompatibilitas dan Referensi Silang Peralatan

🔄 Cross-Reference Compatibility for EP-55

The EP-55 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:

New Holland • Bush Hog • Kioti • Vicon • Bomford • Valtra • Yanmar • Lovol

Penafian: Nama merek di atas hanya dirujuk untuk identifikasi kompatibilitas. Ever-power Australia Mower Gearbox Co.,Ltd. tidak berafiliasi dengan, didukung oleh, atau diotorisasi oleh produsen mana pun yang tercantum. Semua merek dagang milik pemiliknya masing-masing.

📚 Panduan Pemilihan Transmisi

Proper gearbox selection protects your investment and maximizes field productivity. Here is how to determine if the EP-55 is right for your operation:

📌 Pilihan PTO 540 RPM vs 1000 RPM
The EP-55 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.
📌 Casing Besi Cor vs Casing Aluminium
The EP-55 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.
📌 Katalog Standar vs Spesifikasi Khusus
The EP-55 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.
📌 Output Shaft Type Compatibility
The EP-55 features 1 3/8 Z6, Cone base aequilate spline shaft output. Verify your blade hub or implement rotor accepts this shaft type before ordering. We offer multiple output configurations — spline, taper, keyway, and flange — to match virtually any existing installation.
📌 Weight and Mounting Considerations
At 28.7 Kg, the EP-55 is designed for mid-size utility tractor attachments. 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.

ðŸŒū Skenario Aplikasi Umum

🌾 Roadside and highway verge vegetation management

🚘 Pipeline and powerline easement clearing

🌱 Riparian zone and waterway bank vegetation control

⛰ Rotary tiller seedbed preparation for row crops

🌳 Land clearing of light to medium regrowth scrub

Ever-power Australia Mower Gearbox Co.,Ltd. manufacturing facility

🛠 Panduan Instalasi & Pengaturan

  1. Disconnect the tractor PTO shaft and safely support the mower implement on jack stands or blocks before beginning the gearbox installation procedure.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Use Nord-Lock washers or thread-locking compound on all mounting bolts to prevent vibration-induced loosening during operation.
  7. 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.

❓ Pertanyaan yang Sering Diajukan

❓ Can this unit directly replace my OEM gearbox?

Yes. Our mounting patterns, shaft diameters, and spline profiles match industry-standard OEM dimensions. We supply detailed technical drawings for cross-referencing. If your existing unit differs slightly, our engineering team can advise on adapters.

❓ What happens if I accidentally run it dry?

Stop the PTO immediately. Even a few minutes without oil causes severe gear scoring and bearing damage, typically requiring a full internal rebuild. Always verify oil level before engaging the PTO.

❓ How should I store the gearbox off-season?

Run briefly to warm the oil, then top up to the full mark. Apply grease to exposed shaft surfaces and seal any open ports. Store in a dry, covered area. Before next season, verify oil level and rotate input by hand to check free movement.

❓ Can I replace just the gear set?

Yes. Replacement gear sets are available for all models and are cost-effective when the housing, bearings, and shafts remain in good condition. We recommend replacing bearings and seals simultaneously for best results.

❓ Can this gearbox handle reverse PTO rotation?

Our spiral bevel designs operate correctly in both rotational directions without modification. However, check your specific implement requirements, as some mower blade assemblies are direction-sensitive.

⭐ Ulasan Pelanggan & Laporan Lapangan

★★★★★

📍 New South Wales, Australia

Kami membeli dua unit untuk operasional kami. Kualitas kedua unit konsisten, yang menunjukkan bahwa kontrol kualitas pabrik mereka sangat baik. Kami akan membeli lagi.

★★★★★

📍 Adana, Turkey

Mengganti unit OEM yang rusak pada mesin pemotong rumput berusia 15 tahun. Gearbox baru ini sebenarnya lebih halus dan lebih senyap daripada yang asli.

★★★★★

📍 Saskatchewan, Canada

Ini adalah unit aftermarket terbaik yang pernah saya gunakan selama lebih dari 20 tahun bertani. Lubang baut sejajar pada percobaan pertama. Kaca pengintai oli adalah sentuhan yang sangat bermanfaat.

★★★★☆

📍 Hokkaido, Japan

Precision manufacturing is evident when you look at the gear teeth. Mesh noise is minimal. Very satisfied with this purchase.

★★★★☆

📍 Castilla, Spain

The compact size was critical for our application and this model delivered. Two years running, zero problems whatsoever.

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⚖ EP-55 vs. Low-Cost Alternatives

Fitur EP-55 (Ever-power) Alternatif Generik / Murah
Housing ✔ Ductile Cast Iron or HT250 Grey Iron, 12-14mm Wall ✘ Thin-Wall Recycled Cast Iron, 8mm Wall
Surface Finish ✔ E-Coat Primer + Powder Coat, 80Ξm Total ✘ Spray Paint, 30-40Ξm, Chips Within Months
Noise Level ✔ 72-78 dB at 1m, Spiral Bevel Design ✘ 82-88 dB at 1m, Straight Bevel Design
Bearing Installation ✔ Interference Fit via Induction Heating ✘ Press Fit, Risk of Spinning-In-Bore
Bearing Preload ✔ Precision Shimmed, Zero End-Play ✘ No Preload Adjustment, Excessive Play
Gasket System ✔ Fluorocarbon O-Ring, No Re-Torque Needed ✘ Paper Gasket, Requires Annual Re-Torque
Lubrication System ✔ Splash + Directional Baffles, Full Coverage ✘ Basic Splash Only, Uneven Distribution

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🏆 Certifications & Quality Standards

We maintain rigorous quality standards backed by ISO 9001:2015 certification across our entire production process. Raw materials are verified through spectroscopic analysis with ASTM E415 certificates. Gear tooth geometry on every EP-55 is validated using CNC gear inspection machines calibrated to national metrology standards. Our laboratory performs hardness testing, metallographic examination, and magnetic particle inspection on every batch.

🏭 Why Choose Ever-power Australia Mower Gearbox Co.,Ltd.?

We at Ever-power Australia Mower Gearbox Co.,Ltd. combine deep metallurgical expertise with state-of-the-art manufacturing technology to produce agricultural gearboxes that compete head-to-head with the best European and American brands — at a fraction of the cost. Our 23 CNC machining centres and 9 dedicated gear production lines give us the capacity and flexibility to handle orders from single prototype units to full container-load production runs, all with the same unwavering commitment to dimensional accuracy and material quality.

PTO drive shaft

📞 Get Your EP-55 Quote Today

Looking for a dependable heavy-duty rotary cutter gearbox that pays for itself season after season? Contact us now for a competitive quote on the EP-55 and discover why thousands of farmers trust our gearboxes.

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