Description
Built to Last: EP-1ZS-380 High-Power Rotary Cutter Gearbox
The EP-1ZS-380 is built for the operator who values uptime above all else. This agricultural gearbox handles 100 HP through precision-machined spiral bevel gears, supported by premium bearings and multi-stage sealing for maximum service life.
📈 EP-1ZS-380 Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | EP-1ZS-380 |
| Gearbox Type | High-Power Rotary Cutter Gearbox |
| Gear Ratio(s) | 1:1.24 |
| Teeth Configuration | 21/17/17/17 |
| Gear Module | 7.0 |
| Rated Power | 100 HP |
| Input Speed | 540 rpm |
| Input/Output Shaft | Spline |
| Net Weight | 42.5 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
⚡
Hardened Dowel-Pin Alignment
Two precision ground dowel pins locate the housing halves within 0.02 mm, guaranteeing gear centre distance accuracy and eliminating assembly-induced backlash.
🔄
Zinc Flake Anti-Corrosion Fasteners
All external bolts finished with zinc-flake coating (Delta-Protekt) rated for 720 hours of salt spray, preventing seized fasteners during later disassembly.
🔨
Interference-Fit Bearing Installation
All bearings installed with controlled interference fit using induction heating, preventing the spinning-in-bore failures common in slip-fit assemblies.
🌡
Hardened Shift Fork Mechanism
For multi-ratio models: induction-hardened shift fork and detent system provides positive gear engagement with tactile confirmation, preventing half-engagement damage.
🛠
Hot-Dip Galvanized Mounting Hardware
Grade 10.9 mounting bolts hot-dip galvanized to AS/NZS 4680, resisting corrosion in coastal and high-humidity farming regions like northern Queensland and Waikato.
🔬
Field-Rebuildable Modular Design
All internal components — gears, bearings, seals, shafts — are individually replaceable in the field with standard hand tools, eliminating the need to send units away for factory rebuild.
🔧 Equipment Compatibility & Cross-Reference
🔄 Cross-Reference Compatibility for EP-1ZS-380
The EP-1ZS-380 is engineered as a direct replacement or upgrade for gearboxes fitted to equipment from leading manufacturers including:
Kubota • Claas • Schulte • Kuhn • SaMASZ • Swaraj • TYM • Foton
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-1ZS-380 covers a specific performance envelope. Use these selection criteria to verify it aligns with your operational parameters:
🌾 Typical Application Scenarios
🌾 Orchard and vineyard floor maintenance between rows
🚘 Mining site vegetation rehabilitation and control
🌱 Forestry site preparation and plantation row clearing
⛰ Stubble incorporation and green manure tillage
🌳 Municipal park and recreational reserve mowing
🛠 Installation & Setup Guide
- 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.
- 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.
❓ Frequently Asked Questions
⭐ Customer Reviews & Field Reports
Steve H.
★★★★★
📍 Western Australia, Australia
Third unit purchased for our growing fleet. Consistent quality every time. Their factory clearly has disciplined production processes.
Rajesh P.
★★★★★
📍 Punjab, India
Our mechanic was impressed by the machining quality when he opened the box. Everything was precisely finished and well-protected for shipping.
Thabo N.
★★★★★
📍 Free State, South Africa
The split-line O-ring seal is a real bonus. Saves us time in the workshop and lets us spend more hours in the paddock. Great design.
Ian F.
★★★★☆
📍 Otago, New Zealand
Oil change was simple thanks to the drain and fill locations being well-positioned. Small details like this show engineering thought.
Henri D.
★★★★☆
📍 Normandy, France
We needed a gearbox fast after a mid-season failure. This arrived in 5 days, bolted on in an hour, and has been perfect since.
⚖ EP-1ZS-380 vs. Low-Cost Alternatives
| Feature | EP-1ZS-380 (Ever-power) | Generic / Low-Cost Alternative |
|---|---|---|
| Shipping Protection | ✔ Wooden Crate, VCI Paper, Foam Inserts | ✘ Cardboard Box, Minimal Protection |
| Corrosion Protection | ✔ E-Coat + Powder Coat + Zinc Fasteners | ✘ Single Paint Layer, Rusts Within 6 Months |
| Bearings | ✔ Premium Tapered Roller Bearings, 5000+ hr L10 Life | ✘ Standard Ball Bearings, 1500 hr L10 Life |
| Heat Treatment | ✔ Gas Carburizing, 1.0-1.5mm Case Depth | ✘ Induction Hardening, 0.3mm Case Depth |
| Quality Testing | ✔ 100% Factory Tested — Dimensional, Run-In, Leak | ✘ Spot-Checked, Minimal QC Documentation |
| Gear Balancing | ✔ Matched-Pair Dynamic Balance to ISO G6.3 | ✘ No Balancing Performed |
| Shaft Hardness | ✔ Output Journals Induction-Hardened HRC 50-55 | ✘ No Localized Hardening, Rapid Wear |
🔄 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-1ZS-380 gearboxes.
🏆 Certifications & Quality Standards
Manufactured under ISO 9001:2015 and audited annually by international OEM customers, the EP-1ZS-380 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 25500 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-1ZS-380 Quote Today
Need the EP-1ZS-380 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.
