KOMATSU ZENOAH 5911-12110 Box Cylinder Engine

( Brand: Komatsu Zenoah ), ( Manufacturer Part Number: 5911-12110 ), ( Engine Type: 2-stroke ), ( Type: Cylinder Head )

Review KOMATSU ZENOAH New In Box Cylinder Small Engine

The Komatsu Zenoah 5911-12110 is a powerful and versatile box cylinder engine designed for various industrial and agricultural applications. This engine, manufactured by Komatsu's subsidiary Zenoah, is known for its durability, reliability, and fuel efficiency.

The 5911-12110 model is a two-stroke, air-cooled engine with a displacement of 59.3 cubic inches (974.8 cc). It features a single cylinder design, which delivers a maximum power output of 11.5 horsepower at 5,800 rpm. The engine's compression ratio is 12.5:1, providing an optimal balance between power and fuel economy.

The engine's box cylinder design allows for a compact and lightweight construction, making it ideal for portable power equipment, such as water pumps, generators, and compressors. The engine weighs approximately 108 pounds (49 kg), and its dimensions are 18.1 inches (46 cm) long, 13.4 inches (34 cm) wide, and 14.4 inches (36.6 cm) high.

The 5911-12110 model is equipped with a number of advanced features that enhance its performance and durability. It comes with a large-capacity crankcase that provides ample oil capacity and improved oil circulation. The engine also features a forged piston, which ensures a long service life and improved combustion efficiency.

The engine's exhaust system is designed to meet the strictest emission standards, making it an environmentally-friendly option for various applications. It comes with a standard muffler and an optional catalytic converter for even lower emissions.

The 5911-12110 engine is easy to maintain and service, thanks to its accessible design and simple components. It comes with an easy-to-read hour meter, which allows users to monitor engine usage and schedule regular maintenance. The engine also features a large-capacity fuel tank, which provides extended run time and reduces the need for frequent refueling.

In summary, the Komatsu Zenoah 5911-12110 box cylinder engine is a powerful, efficient, and reliable option for industrial and agricultural applications. Its compact design, advanced features, and ease of maintenance make it a popular choice for portable power equipment manufacturers and users alike.

The Komatsu Zenoah 5911-12110 is a box cylinder engine manufactured by Komatsu Ltd. and Zenoah Corporation. This engine is widely used in various applications such as lawn mowers, generators, and water pumps due to its robustness and reliability. Here are some pros and cons of buying this engine:

1. Fuel Efficiency: The Komatsu Zenoah 5911-12110 engine is known for its excellent fuel efficiency. It delivers a high power output while consuming less fuel than many other engines in its class.

2. Durability: This engine is built to last. It uses high-quality materials and advanced manufacturing techniques to ensure long-lasting performance. It is also designed to handle heavy usage and rough operating conditions.

3. Versatility: The Komatsu Zenoah 5911-12110 engine can be used in a wide range of applications. It is suitable for both commercial and residential use, making it a popular choice among contractors, landscapers, and homeowners.

4. Easy Maintenance: This engine is easy to maintain. It has a simple design, and the parts are readily available. Routine maintenance such as oil changes and air filter replacements can be done quickly and easily.

1. Price: The Komatsu Zenoah 5911-12110 engine is more expensive than many other engines in its class. Its high-quality materials and advanced manufacturing techniques come at a premium price.

2. Complexity: While the engine is easy to maintain, it can be more complex to repair than some other engines. It requires specialized tools and knowledge to diagnose and repair any issues.

3. Noise Level: This engine can be louder than some other engines in its class. It may not be suitable for applications where quiet operation is essential.

The Komatsu Zenoah 5911-12110 engine is a high-performance, durable, and fuel-efficient engine that is suitable for a wide range of applications. Its advanced manufacturing techniques and high-quality materials ensure long-lasting performance, making it a popular choice among contractors, landscapers, and homeowners. However, its premium price and complexity may be a drawback for some buyers.

If you are looking for a high-performance engine that can handle heavy usage and rough operating conditions, the Komatsu Zenoah 5911-12110 engine is an excellent choice. Its fuel efficiency, durability, and versatility make it a worthwhile investment for commercial and residential applications. However, if you are on a tight budget or prefer a simpler engine, there may be other options that better suit your needs. It is essential to weigh the pros and cons carefully before making a decision.

Details:

Genuine Komatsu Zenoah small engine cylinder, NEW in box, Part number on box is 5911-12110 cylinder.

part #: 591112110 prices

• $19.00-$45.00

specifications cylindermotorcycleiz:

• for makes: Komatsu
• brand: Komatsu Zenoah
• mpn: 5911-12110
• engine type: 2-stroke
• type: Cylinder Head

returns cylindermotorcycleiz:

• policy: No Returns

payments cylindermotorcycleiz:

• credit card: Discover
• other
• wallet: Paypal

seller cylindermotorcycleiz:

• city: Loveland, Colorado
• # reviews: 21
• rating: 100.0%

offer cylindermotorcycleiz:

• availability: In Stock
• best offers: True
• quantity: 8
• options: Ship-to-home
• started: February 18, 2026
• sold: 0

shipping cylindermotorcycleiz:

• service: USPS Ground Advantage
• carrier: USPS
• cost: $9.80
• class: Standard
• transit: 3-9 Days
• type: Calculated

general cylindermotorcycleiz:

• condition: New
• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Cylinder Heads