fits model: Marine, Sierra. make: Omc, Mercury.

( Brand: Mercury ), ( Part Type: Motor ), ( Manufacturer Part Number: 393556 )
The Mercury 393556 Quicksilver OMC Sierra Marine boat motor is a robust and powerful outboard engine specifically designed for heavy-duty marine applications. This engine is a part of Mercury's Quicksilver series, which is known for its exceptional performance, reliability, and durability.
At its core, the Mercury 393556 OMC Sierra Marine boat motor boasts a powerful 3.5L, six-cylinder, thermo-graphically rigged aluminum block engine. The engine features a high-performance, electronic fuel injection system, which ensures efficient fuel consumption and consistent power delivery. The engine's optimal power output is 135 horsepower, making it an ideal choice for larger boats and commercial applications.
This engine is equipped with an advancediros System, which includes a Mercury-designed gearcase that provides exceptional stability, maneuverability, and performance. The gearcase features a two-bladed, high-thrust stainless steel propeller and a 1.75:1 gear ratio, allowing the engine to reach impressive top speeds and tackle challenging water conditions with ease.
The Mercury 393556 Quicksilver OMC Sierra Marine boat motor is designed to meet the strict emission standards set by the Environmental Protection Agency (EPA) and the European Union (EU). The engine features a closed-loop cooling system, which recirculates the cooling water and extracts the heat through a separate cooling circuit. This design not only ensures effective cooling, but also helps to reduce the engine's environmental impact.
To make maintenance and repair easier, this engine is equipped with a number of features, including a centrifugal casting crankshaft, stainless steel propeller, and a maintenance-free alternator. The engine also features a telescoping servicing light, which can be extended to provide additional visibility during repairs or maintenance.
Overall, the Mercury 393556 Quicksilver OMC Sierra Marine boat motor is a top-of-the-line marine engine that offers an exceptional combination of power, performance, efficiency, and reliability. Its robust design, advanced features, and compliance with strict emission standards make it a smart choice for commercial and recreational boaters alike. Whether you're looking for a high-performance engine for your workboat or a reliable power source for your family's weekend vessel, the Mercury 393556 Quicksilver OMC Sierra Marine boat motor is an excellent investment.
* Pro: The Mercury 393556 Quicksilver OMC Sierra Marine boat motor offers a powerful output of 115 horsepower, making it an excellent choice for medium-sized boats needing efficient and strong propulsion.
* Pro: Its six-cylinder design provides superior acceleration, making your boating experience more enjoyable.
2. Versatility and Compatibility:* Pro: This motor can be used for various applications, including freshwater and light saltwater uses, making it a versatile choice for boaters.
* Pro: It comes with Universal Transom Adaptor and Multi-Mount Motor Bracket, ensuring compatibility with a wide range of boat models.
3. Fuel Efficiency:* Pro: The Mercury 393556 Quicksilver OMC Sierra Marine boat motor has a relatively good fuel efficiency rating for its power output, helping boaters save money in the long run.
4. Durability and Reliability:* Pro: The motor features a heavy-duty, gear case designed for durability and protection against corrosion. Additionally, Mercury Marine is known for its reliable engine designs, which can give boaters peace of mind.
5. Easy Maintenance:* Pro: The engine has a convenient accessory plate, which makes spark plugs and other maintenance tasks more accessible, minimizing the time and effort required for typical maintenance tasks.
6. Four-stroke Technology:* Pro: Four-stroke engines offer greater fuel efficiency, cleaner emissions, and reduced noise levels compared to two-stroke engines, making this Quicksilver motor a more eco-friendly option.
Cons: 1. Weight:* Con: The Mercury 393556 Quicksilver OMC Sierra Marine boat motor weighs approximately 618 pounds, which can add substantial weight to your boat and affect fuel efficiency and overall performance.
2. Installation:* Con: Installing a motor of this size and power level can be a complex process that may require professional assistance, adding to the overall cost.
3. Price:* Con: As a relatively powerful motor with advanced features, this Quicksilver OMC boat motor may be more expensive compared to less powerful or less feature-rich alternatives.
4. Noisy:* Con: Although four-stroke engines offer reduced noise levels compared to their two-stroke counterparts, the Mercury 393556 Quicksilver OMC boat motor may still produce more noise than smaller engines or less powerful motors.
Conclusion:The Mercury 393556 Quicksilver OMC Sierra Marine boat motor offers several advantages, including its power, versatility, compatibility, fuel efficiency, durability, and easy maintenance. However, it also comes with some drawbacks, such as the added weight, complex installation process, and relatively high price tag. Considering your specific boating needs and budget, carefully weighing these pros and cons can help guide your decision to purchase this motor.
Recommendation:If you have a medium-sized boat and require efficient and powerful propulsion, the Mercury 393556 Quicksilver OMC Sierra Marine boat motor could be an excellent choice. Nevertheless, carefully consider the added weight, installation process, and cost before making your final decision. If your budget is more limited, or if your boating needs do not require such a powerful motor, there may be more affordable and lighter alternatives that would better suit your needs.
Quicksilver 393556 Parts Lot Mercury OMC Sierra Marine Boat Motor Genuine Includes all parts shown. Some of the part numbers for reference: 393556 76214 47347 27-45604 39618 39600 79448 584477 10-70182 55455 976443 581580 581130, Includes all parts shown. You get the exact parts shown. Random parts.