fits model: Marine. make: Allison.

( Brand: Allison Mh25r ), ( Manufacturer Part Number: MH25R ), ( Part Type: Turn Gear ), ( Custom Bundle: No ), ( Country/region Of Manufacture: United States )
The MH25R Marine Gear, manufactured by Allison Transmission, is a high-performance reversing gear designed specifically for marine applications. This gear is renowned for its durability, reliability, and efficiency, making it an excellent choice for various marine vessels.
The MH25R Marine Gear boasts a compact yet robust design, with a weight of approximately 315 kg (695 lbs). It is equipped with a hydraulic multi-disc clutch system, ensuring smooth and precise gear shifts. The clutch system is designed to withstand the harsh marine environment, providing reliable operation even in the most challenging conditions.
The gearbox features a 2-speed, 2-reversing configuration, providing versatility in operation. The first gear ratio is 5.48:1, while the second gear ratio is 1.93:1. This allows the gearbox to handle a wide range of load and speed requirements. The gearbox is also capable of reverse operation, which is essential for maneuvering in tight spaces or changing the direction of the vessel.
The MH25R Marine Gear is built with high-quality materials, including cast iron and steel. It is designed to withstand the corrosive marine environment, with components such as the housing and shafts protected by zinc coating and the bearings made of high-quality stainless steel.
The gearbox is equipped with an oil cooler for efficient heat dissipation, ensuring optimal performance even under heavy load conditions. It also features an oil level indicator for easy maintenance.
The MH25R Marine Gear is designed to provide smooth, quiet, and efficient operation, making it an excellent choice for vessels where noise and vibration are a concern. Its excellent power-to-weight ratio and compact design make it an ideal choice for applications where space is limited.
In conclusion, the MH25R Marine Gear by Allison Transmission is a high-performance, reliable, and durable gearbox designed for marine applications. Its compact design, versatile gear ratios, and robust construction make it an excellent choice for various marine vessels.
Pros of buying MH25R Marine Gear Allison Turn Right:1. Reliable: Allison Transmissions are known for their durability and reliability in marine applications. The MH25R is no exception, providing smooth and consistent performance in various marine environments.
2. Efficient: This gearbox offers excellent power-to-weight ratio, ensuring optimal performance and fuel efficiency. It also features a hydraulic multi-disc clutch, which helps to reduce slippage and improve overall efficiency.
3. Versatile: The MH25R is suitable for a wide range of marine applications, including commercial vessels, pleasure boats, and workboats. Its turn-right configuration allows for easy maneuvering in tight spaces.
4. Easy to maintain: The gearbox features an easy-to-access oil fill and drain system, making routine maintenance a breeze. Additionally, it uses high-quality materials and components, which can help reduce the need for repairs and extend the lifespan of the gearbox.
Cons of buying MH25R Marine Gear Allison Turn Right:1. High initial cost: The MH25R is a premium marine gearbox, and its price reflects its high-quality materials and advanced features. This may be a barrier for some buyers with limited budgets.
2. Limited availability: While Allison Transmissions are widely recognized in the marine industry, the MH25R may not be available in all regions or through all distributors. This could make sourcing and installation more challenging for some buyers.
3. Complexity: The MH25R is a sophisticated gearbox with many advanced features. While this can provide many benefits, it also means that operators may need specialized training and expertise to properly maintain and operate the gearbox.
Conclusion:The MH25R Marine Gear Allison Turn Right is a high-quality and reliable gearbox with numerous benefits for marine applications. Its efficient performance, versatility, and easy maintenance make it a strong choice for many boat owners. However, its high initial cost and limited availability may be drawbacks for some buyers. Ultimately, the decision to purchase the MH25R should be based on a thorough evaluation of the buyer's specific needs, budget, and marine environment.
Recommendation:If you are looking for a premium marine gearbox with excellent power-to-weight ratio and reliable performance, the MH25R Marine Gear Allison Turn Right is a solid choice. However, it is important to consider the gearbox's initial cost and availability in your decision-making process. If you are unsure about the MH25R or have any questions about its suitability for your specific marine application, consult with a marine gearbox expert or Allison Transmissions representative to help you make an informed decision.
Great running take out. Allison MH25R complete gear. Heavy duty 2:5:1 ratio, right hand gear.