Gearbox ZF63A Ratio 2.5:1 for 6LP & 4LH
Gearbox ZF63A Ratio 2.5:1
Suitable for 6LP & 4LH Yanmar engines
With trolling valve
Fully reconditioned, serviced, “as new” overall, ready for action
You will get as you see on the photos with oil coolers, hoses included
Global Shipping Made Easy
| Region | Delivery Time | Special Notes |
|---|---|---|
| USA/Canada | 1-3 days | No customs |
| Europe | 2-4 days | CE certified |
| Australia | 3-5 days | AMSA approved |
2,100.00$
(FREE SHIPPING)
⚙️ ZF63A Gearbox Ratio 2.5:1 for Yanmar 6LP & 4LH Engines
Unleash Smooth Power and Reliability for Your Yanmar Engine
The ZF63A Gearbox (Ratio 2.5:1) is a high-performance marine transmission system designed for Yanmar 6LP and 4LH engines. Known for its exceptional reliability and smooth operation, this gearbox ensures precise power transfer, improved fuel efficiency, and long-lasting durability. Whether for leisure cruising, fishing, or commercial operations, the ZF63A gearbox delivers the torque and control your vessel needs.
🔧 Key Features
1. Premium Construction
Crafted from marine-grade, corrosion-resistant materials, the ZF63A gearbox is built to withstand the harshest saltwater conditions. Its robust design guarantees longevity and consistent performance, even in demanding marine environments.
2. Optimized Gear Ratio (2.5:1)
This precise 2.5:1 gear ratio enhances torque output, fuel economy, and propulsion efficiency — maximizing your Yanmar engine’s performance. You’ll notice improved acceleration, smoother cruising, and lower engine strain.
3. Smooth, Quiet Operation
Experience minimal vibration and noise during use. The ZF63A gearbox provides stable and quiet transmission, allowing for a more comfortable and enjoyable boating experience.
4. Seamless Compatibility
Perfectly engineered for Yanmar 6LP and 4LH engines, this gearbox ensures direct fitment without modifications. Its precise alignment with Yanmar’s propulsion system maintains your vessel’s original balance and efficiency.
5. Easy Installation
The gearbox’s user-friendly design allows for quick installation by professionals or experienced DIY boaters. With clear installation support, you’ll be back on the water faster.
6. Enhanced Durability and Efficiency
Backed by ZF’s global reputation for engineering excellence, this gearbox offers long-term reliability and low maintenance costs. It’s a dependable upgrade that enhances your overall marine performance.
🌊 Benefits
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Superior Fuel Efficiency: Optimized gear ratio reduces drag and boosts energy transfer efficiency.
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Extended Engine Life: Smooth torque delivery lowers stress on your Yanmar engine components.
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Low Maintenance Design: Simplified servicing reduces downtime and maintenance expenses.
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Quiet, Reliable Operation: Engineered to minimize noise and vibration during operation.
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Versatile Applications: Ideal for fishing boats, leisure crafts, and commercial vessels alike.
📋 Specifications
| Specification | Details |
|---|---|
| Model | ZF63A |
| Gear Ratio | 2.5:1 |
| Compatibility | Yanmar 6LP and 4LH engines |
| Construction | Corrosion-resistant marine alloy |
| Applications | Recreational and commercial use |
| Weight | Approx. [Insert weight if known] |
⚡ Why Choose the ZF63A Gearbox for Your Yanmar?
Choosing the ZF63A Gearbox Ratio 2.5:1 is an investment in reliability, performance, and peace of mind. Engineered to factory specifications, this gearbox ensures seamless integration with Yanmar 6LP and 4LH engines — maintaining your propulsion system’s integrity and efficiency.
🔗 Tip: Pair this gearbox with our Yanmar Engine Parts Collection for a complete performance upgrade and reliable operation.
❓ Frequently Asked Questions (FAQ)
Q1: Is this gearbox compatible with both Yanmar 6LP and 4LH engines?
✅ Yes. The ZF63A gearbox is specifically designed to fit and perform perfectly with both Yanmar 6LP and 4LH models.
Q2: What does the 2.5:1 ratio mean?
The 2.5:1 gear ratio means the engine rotates 2.5 times for every single propeller rotation — optimizing thrust, torque, and fuel economy for marine use.
Q3: Is this gearbox new or reconditioned?
Available in used and reconditioned options, each unit is inspected and tested to ensure ZF’s high performance and reliability standards.
Q4: Do I need a professional to install it?
While experienced boat owners can handle installation, professional installation is recommended to ensure correct alignment and optimal performance.
Q5: Does it come with a warranty?
Yes. All ZF63A gearboxes sold through OutboardMarineUSA.com include a limited warranty covering manufacturing defects and performance reliability.
🛠️ Enhance Your Yanmar Engine’s Efficiency Today
Upgrade your Yanmar engine’s performance with the ZF63A Gearbox Ratio 2.5:1. Built to last, engineered to perform — it’s the ideal choice for any serious boater or marine professional.
👉 Order now from OutboardMarineUSA.com and experience the ZF difference in marine performance and reliability.
