fits model: Marine.

( Brand: Yanmar ), ( Manufacturer Part Number: KM4A-2 ), ( Part Type: Transmission )
The KM4A-2 Yanmar Marine Transmission 2.14 is a high-performance, reliable, and efficient marine transmission unit designed for various marine applications. This transmission is ideal for powering mid-sized vessels, yachts, and workboats.
The KM4A-2 transmission features a robust, yet lightweight, cast aluminum housing, ensuring durability and protection against corrosion. It boasts a compact design that allows for easy installation and maintenance in confined spaces. The transmission is equipped with a high-quality, double-cone, multi-groove, and heat-treated gear set, ensuring smooth and efficient operation with minimal noise and vibration.
The KM4A-2 transmission is driven by a 2.14:1 gear ratio, providing optimal power delivery and maneuverability. It features a direct-drive design, eliminating the need for a separate reduction gear, resulting in reduced weight and improved efficiency. The transmission is also equipped with a hydraulic torsional dampener, which minimizes engine vibrations and ensures a comfortable ride.
The KM4A-2 transmission is compatible with a wide range of Yanmar marine engines, including the popular 4JH series. It features a primary and secondary oil seal, ensuring oil leakage is minimized, and a drip-lubricated gear set, which eliminates the need for regular oil changes. The transmission is also equipped with a heavy-duty, multi-plate clutch, providing reliable and smooth shifting.
In conclusion, the KM4A-2 Yanmar Marine Transmission 2.14 is a high-quality, reliable, and efficient transmission unit that is perfect for powering mid-sized vessels. Its robust design, smooth operation, and easy maintenance make it an excellent choice for boat owners who demand the best in marine transmission technology.
Pros of buying a KM4A-2 Yanmar Marine Transmission 2.14:1. Reliability: Yanmar is known for its high-quality and reliable marine engines, and the KM4A-2 transmission is no exception. It is designed to withstand the harsh marine environment and provide long-term performance.
2. Durability: The KM4A-2 transmission is built to last. It uses high-quality materials and has a robust design that can handle heavy loads and rough use.
3. Efficiency: The transmission is designed to optimize fuel efficiency, which can save you money in the long run. It also has a low-noise operation, which is a plus for boaters who value a quiet ride.
4. Versatility: The KM4A-2 transmission can be used in a variety of marine applications, from small pleasure boats to commercial vessels.
Cons of buying a KM4A-2 Yanmar Marine Transmission 2.14:1. Cost: The KM4A-2 transmission is not the cheapest option on the market. Its high-quality materials and robust design come at a premium price.
2. Availability: Yanmar transmissions may not be as widely available as some other brands, which could make it more difficult to find replacement parts or service if needed.
3. Installation: Installing a Yanmar transmission may require specialized knowledge and tools, which could add to the overall cost of the project.
Conclusion:The KM4A-2 Yanmar Marine Transmission 2.14 is a high-quality, durable, and efficient option for boaters looking for a reliable transmission that can handle heavy loads and rough use. Its high cost and potential availability issues are worth considering, but for those who value quality and performance, the KM4A-2 transmission may be a worthwhile investment.
Recommendation:If you are in the market for a marine transmission, the KM4A-2 Yanmar Marine Transmission 2.14 is a solid choice. Its reliability, durability, and efficiency make it a great option for boaters who value performance and quality. However, be sure to consider the cost and availability issues before making a final decision. It may be worthwhile to shop around and compare prices and availability with other brands to ensure that you are getting the best value for your money. Ultimately, the decision to purchase the KM4A-2 Yanmar Marine Transmission 2.14 should depend on your specific needs, budget, and preferences.
Here is a link to some specifics about this transmission. It seems to be in fine working order, and I was told has about 1500 hours on. Media global product Marine pleasure sailboat propulsion outlinekm4a however, the transmission output would not line up with propeller shaft.
The gear ratio is Its quite clean and seems fine. I bought this from a second hand Marine boat store.
The oil has been drained. I was going to put it on my boat which has a new Yanmar 4jh4-Te engine. The output on this transmission is angled down and I had to go with a straight.