Yanmar KMH50A-3 RR 1.67 for 4LV Series (M-Shift) – KMH50A-3 167 4LV

Description

Yanmar KMH50A-3 RR 1.67 for 4LV Series (M-Shift) – KMH50A-3 167 4LV For Sale

The Yanmar KMH50A-3 RR 1.67 for 4LV Series (M-Shift) – KMH50A-3 167 4LV is a genuine Yanmar marine transmission engineered specifically for the advanced Yanmar 4LV Series common-rail marine diesel engines. Featuring a 1.67:1 reduction ratio, right-hand rotation (RR) output, and Yanmar’s proven M-Shift mechanical shifting system, this premium marine gearbox delivers responsive acceleration, smooth gear engagement, and dependable power transfer for recreational and commercial marine applications.

Designed to integrate seamlessly with the powerful Yanmar 4LV150, 4LV170, 4LV195, 4LV230, and 4LV250 marine diesel engines, the KMH50A-3 167 4LV forms an essential part of a complete propulsion package. The lower reduction ratio makes this transmission particularly suitable for high-performance vessels, patrol boats, center consoles, and sport cruisers where shaft speed, acceleration, and cruising efficiency are key priorities.

Whether you are replacing an aging transmission, upgrading an existing propulsion package, or planning a complete vessel repower, the KMH50A-3 167 4LV provides the reliability, efficiency, and engineering excellence expected from a genuine Yanmar marine transmission.

If you are searching for a Yanmar KMH50A-3 167 4LV for sale, comparing Yanmar KMH50A-3 167 4LV price options, looking for a reliable Yanmar gearbox for sale, sourcing a Yanmar marine gearbox, or seeking a genuine Yanmar marine transmission, Yanmar Marine Experts supplies factory-original Yanmar products backed by technical expertise and worldwide shipping support.

Technical Specifications

Compatible Engines

The Yanmar KMH50A-3 167 4LV is specifically engineered for selected Yanmar 4LV common-rail marine diesel engines.

Compatibility should always be verified before purchase. Our technical team can review your engine serial number, vessel specifications, and intended application to confirm suitability.

Understanding the 1.67:1 Reduction Ratio

The 1.67:1 reduction ratio is designed for applications where higher shaft speeds and responsive vessel performance are desired. Compared to higher reduction ratios, the 1.67:1 configuration allows the propeller shaft to rotate faster relative to engine RPM, making it ideal for lighter vessels and performance-oriented installations.

Benefits of the 1.67:1 reduction ratio include:

• Higher shaft RPM
• Faster acceleration
• Excellent cruising efficiency
• Improved throttle response
• Enhanced top-end performance
• Efficient power delivery
• Reduced drivetrain losses

For many vessels powered by the Yanmar 4LV Series, the 1.67:1 ratio provides an excellent balance between speed, efficiency, and reliability.

Proven M-Shift Mechanical Control System

The M-Shift system is a trusted mechanical shifting solution developed to provide dependable gear engagement and long-term durability in demanding marine environments.

Advantages of M-Shift include:

• Smooth gear engagement
• Reliable mechanical operation
• Proven long-term durability
• Precise transmission control
• Simplified maintenance requirements
• Reduced system complexity

Many vessel owners continue to prefer M-Shift systems because of their proven reliability and straightforward operation.

Designed for the Yanmar 4LV Series

The Yanmar 4LV Series represents one of the most technologically advanced marine diesel platforms available today. Featuring common-rail fuel injection, electronic engine management, low emissions, and exceptional power-to-weight ratios, these engines are widely used in modern recreational and commercial vessels.

The KMH50A-3 167 4LV is engineered specifically to complement these engines and function as a critical component within a complete Yanmar propulsion system.

As part of the drivetrain, the gearbox contributes to:

• Efficient power transmission
• Smooth vessel operation
• Reliable maneuverability
• Reduced drivetrain losses
• Long-term operational durability
• Improved cruising efficiency

For customers researching a Yanmar 4LV250 for sale, comparing Yanmar 4LV230 price options, evaluating a Yanmar 4LV195 for sale, or sourcing a complete propulsion package, selecting the correct transmission ratio is essential for maximizing vessel performance.

Ideal for New Builds and Repower Projects

The KMH50A-3 167 4LV is commonly selected for:

• New vessel construction
• Engine upgrades
• Marine transmission replacement projects
• Marine repower gearbox installations
• Commercial vessel modernization
• Performance-oriented propulsion packages

When replacing an older gearbox, selecting the correct replacement Yanmar gearbox can significantly improve vessel handling, reliability, and overall propulsion efficiency.

Our specialists regularly assist customers in selecting the ideal transmission ratio based on vessel type, hull design, engine output, and operating requirements.

Why Choose a Genuine Yanmar Gearbox?

Choosing a genuine Yanmar gearbox helps ensure complete compatibility between the engine, transmission, controls, propeller shaft, and propulsion system.

Benefits include:

• Factory-engineered compatibility
• Genuine OEM manufacturing standards
• Manufacturer warranty support
• Long-term parts availability
• Proven marine durability
• Reliable propulsion performance
• Lower lifetime ownership costs

For vessel owners investing in a marine transmission replacement, marine repower gearbox, or complete propulsion upgrade, genuine Yanmar components help protect the integrity of the entire drivetrain.

Common Applications

The Yanmar KMH50A-3 167 4LV is commonly used in:

• Sport cruisers
• Center console boats
• Patrol vessels
• High-performance recreational boats
• Commercial vessels
• Marine repower projects
• Transmission replacement projects

For operators searching for a dependable boat transmission for sale, the KMH50A-3 remains one of the most respected transmissions within the Yanmar gearbox range.

Support from Yanmar Marine Experts

Yanmar Marine Experts specializes exclusively in Yanmar propulsion products, including diesel engines, saildrives, sterndrives, marine gearboxes, and replacement parts.

Our team assists customers with:

• Gearbox selection
• Compatibility verification
• Propulsion system planning
• Repower support
• Technical guidance
• Worldwide shipping arrangements
• After-sales assistance

As an experienced marine gearbox dealer, trusted marine transmission supplier, and leading source for Yanmar gearbox USA products, we help vessel owners and marine professionals source the correct transmission for their application.

Availability and Ordering Information

If you are looking to buy Yanmar gearbox equipment or searching for a Yanmar KMH50A-3 167 4LV for sale USA, our team can provide current stock availability, lead times, and worldwide delivery options.

The Yanmar KMH50A-3 167 4LV price may vary depending on inventory availability, shipping destination, and market conditions. Likewise, overall Yanmar gearbox price levels may vary based on transmission configuration and supply availability.

For customers comparing propulsion options, we can also provide information regarding other Yanmar gearbox for sale models, reduction ratios, and complete propulsion packages.

What’s Included

When purchasing the Yanmar KMH50A-3 RR 1.67 for 4LV Series (M-Shift) – KMH50A-3 167 4LV, your package may include:

• Genuine Yanmar KMH50A-3 167 4LV Marine Gearbox
• Factory documentation
• Manufacturer warranty coverage
• Technical support from Yanmar Marine Experts
• Compatibility verification assistance

Package contents may vary depending on factory supply specifications.

Warranty and Technical Support

The KMH50A-3 167 4LV is supplied with applicable manufacturer warranty coverage.

Our technical team remains available to assist with:

• Gearbox compatibility verification
• Propulsion system recommendations
• Installation planning
• Product selection guidance
• Worldwide logistics arrangements

Whether you are sourcing a commercial marine gearbox, a marine repower gearbox, or a complete Yanmar propulsion system, our specialists can help ensure you receive the correct solution.

Frequently Asked Questions

Is the KMH50A-3 167 4LV a genuine Yanmar gearbox?

Yes. We supply only genuine Yanmar marine transmissions backed by manufacturer warranty support.

Which engines are compatible with the KMH50A-3 167 4LV?

This gearbox is designed for selected Yanmar 4LV Series engines, including the 4LV150, 4LV170, 4LV195, 4LV230, and 4LV250.

What are the benefits of M-Shift technology?

M-Shift provides dependable mechanical shifting, smooth gear engagement, simplified maintenance, and proven long-term reliability.

What does the 1.67:1 reduction ratio provide?

The 1.67:1 ratio delivers higher shaft speeds, faster acceleration, efficient cruising performance, and excellent throttle response.

How do I get the latest Yanmar KMH50A-3 167 4LV price?

Contact our sales team for current pricing, stock availability, lead times, and delivery options.

Request a Quote

Interested in the Yanmar KMH50A-3 RR 1.67 for 4LV Series (M-Shift) – KMH50A-3 167 4LV for sale?

Contact Yanmar Marine Experts today for the latest Yanmar KMH50A-3 167 4LV price, current stock availability, and worldwide shipping options.

For the fastest assistance, please provide:

• Engine model
• Engine serial number
• Current gearbox model
• Vessel make and model
• Delivery destination

Our technical specialists will review your requirements and provide a tailored quotation along with compatibility guidance, availability information, and shipping options.