fits model: Marine. make: Allison.

( Manufacturer Part Number: MH30-L ), ( Part Type: Gear Transmission ), ( Country/region Of Manufacture: United States )
The Allison MH30-L marine transmission is a high-performance, heavy-duty gearbox designed for commercial and recreational applications. This unit is a part of Allison's MH Series, known for their robust construction, reliability, and efficiency.
The MH30-L features a 3-speed, direct-drive design, with a rated input horsepower of 500 HP at 2,800 RPM and a rated output torque of 1,873 lb-ft. This transmission is ideal for vessels requiring powerful, smooth, and precise power transfer, such as workboats, ferries, and luxury yachts.
The MH30-L is built with a high-strength, heavy-duty aluminum alloy case for exceptional corrosion resistance and durability. Its gear train consists of high-quality, heat-treated steel gears, ensuring long-lasting performance even in the most demanding conditions. The transmission also includes a heavy-duty, oil-cooled torque converter that provides smooth, efficient power transfer.
This Allison marine gearbox is equipped with a top-mounted cooling system for easy maintenance and access. It also features a hydraulic shift mechanism and a clutch-to-engage design for quick, smooth shifts. The MH30-L is also compatible with Allison's Electronic Control System (ECS), providing advanced diagnostics, monitoring, and control capabilities.
In summary, the Allison MH30-L marine transmission is a high-quality, heavy-duty gearbox that delivers powerful, smooth, and efficient power transfer for a wide range of commercial and recreational vessels. Its robust construction, advanced features, and ease of maintenance make it a reliable and cost-effective choice for boat builders and operators.
Pros of buying MH30-L Allison Marine Gear Boat Transmission:1. Reliability: Allison Transmission is a well-known brand in the marine industry, known for its durability and reliability. The MH30-L transmission is no exception, with a reputation for long-lasting performance.
2. Efficiency: This transmission is designed to provide optimal power and fuel efficiency, which can save you money in the long run.
3. Versatility: The MH30-L is suitable for various types of boats, including pleasure boats, workboats, and tugs. It can handle both inboard and outboard applications.
4. Serviceability: Allison Transmissions are easy to maintain and service. They have a modular design, which means that individual components can be replaced without having to disassemble the entire unit.
5. Warranty: Allison Transmissions often come with a strong warranty, providing peace of mind and protection against potential defects.
Cons of buying MH30-L Allison Marine Gear Boat Transmission:1. Cost: Allison Transmissions are generally more expensive than other brands. The initial investment can be high, but the long-term benefits, such as reliability and fuel efficiency, can offset this cost.
2. Availability: Allison Transmissions may not be as widely available as other brands, which could make it more difficult to find a repair shop or parts supplier.
3. Complexity: Allison Transmissions have a more complex design than some other brands, which could make them more difficult to diagnose and repair, especially for less experienced mechanics.
Conclusion:If you're looking for a reliable, efficient, and versatile transmission for your boat, the MH30-L Allison Marine Gear Transmission is a strong contender. While it may be more expensive and slightly more complex than some other options, its long-term benefits and strong warranty make it a worthwhile investment for many boat owners.
Recommendation:If you're in the market for a new transmission and can afford the initial investment, the MH30-L Allison Marine Gear Transmission is a solid choice. Its reputation for reliability and efficiency, along with its versatility and strong warranty, make it a valuable addition to any boat. However, it's important to consider your specific needs and budget, as well as the availability of repair services in your area, before making a decision.
New unused Marine gear, was bolted to a 6 71 Detroit motor.