The Ultimate Guide to 2-Cylinder Kubota Diesel Engines
The 2-cylinder Kubota diesel engine series, particularly the Z482, has garnered attention for its compact size, impressive power output, and suitability for various applications. From agricultural machinery to industrial equipment, these engines are known for reliability and efficiency. This guide will delve into the specifications, applications, and unique features that make Kubota engines a preferred choice for many.
| Engine Model | Power Output | Torque | Applications | Cooling System |
|---|---|---|---|---|
| Z482 | 12.5 HP @ 3600 RPM | 29.7 Nm @ 2600 RPM | Welders, generators, air compressors | Water-cooled |
| Z602 | 18.5 HP @ 3600 RPM | 48.4 Nm @ 2400 RPM | Agricultural machinery, construction | Water-cooled |
| D722 | 21 HP @ 3600 RPM | 57 Nm @ 2200 RPM | Lawn equipment, mini excavators | Water-cooled |
Overview of the Kubota Z482 Diesel Engine
The Kubota Z482 is a vertical, water-cooled, 2-cylinder, 4-cycle indirect injection (IDI) diesel engine. Designed for compact applications, it boasts a displacement of 0.48 L (479 cc) and is renowned for its fuel efficiency and reliability. With features like a spherical combustion chamber and advanced fuel injection technology, this engine is a benchmark for its class.
Technical Specifications
Engine Design
- Type: 2-cylinder, water-cooled, naturally aspirated vertical diesel engine
- Displacement: 0.48 L (479 cc)
- Bore x Stroke: 67 mm x 68 mm
- Compression Ratio: 23.0:1
Performance
- Net Power: 12.5 HP (9.3 kW) at 3,600 RPM
- Gross Power: 13.9 HP (10.4 kW) at 3,600 RPM
- Torque: 21.92 ft·lb (29.7 Nm) at 2,600 RPM
The Z482 is capable of delivering consistent performance across various operational conditions, making it suitable for numerous applications.
Applications of Kubota 2-Cylinder Diesel Engines
Agricultural Machinery
Kubota engines are widely used in agricultural equipment such as tractors and tillers. Their compact size allows for easy integration into small farm machinery, enhancing maneuverability and efficiency. The Z482’s torque characteristics make it ideal for tasks that require consistent power delivery.
Industrial Equipment
The Z482 also serves as a power source for industrial applications, including generators, welders, and air compressors. Its robust design and reliability ensure it can withstand demanding operational conditions, contributing to reduced downtime and maintenance costs.
Construction and Landscaping
In construction and landscaping, the Z482 engine is utilized in mini-excavators and skid-steers. Its ability to deliver substantial power in a compact form ensures that it meets the stringent requirements of these industries, where space and efficiency are crucial.
Unique Features of Kubota Diesel Engines
E-TVCS Technology
Kubota’s E-TVCS (Three Vortex Combustion System) technology enhances combustion efficiency, resulting in improved fuel economy and reduced emissions. This innovation allows the engine to start quickly, even in cold weather, making it reliable for all-season use.
Noise and Vibration Reduction
The Z482 engine incorporates features such as a half-float valve cover and coated pistons that contribute to lower noise levels and reduced vibrations. This design consideration enhances operator comfort and reduces fatigue during prolonged use.
Environmental Compliance
Kubota has a longstanding commitment to meeting global environmental standards. The Z482 and other models comply with EPA Tier 4 and EU Stage V emission regulations, making them suitable for environmentally conscious applications.
Technical Features Comparison
| Feature | Z482 | Z602 | D722 |
|---|---|---|---|
| Displacement | 0.48 L | 0.6 L | 0.72 L |
| Power Output | 12.5 HP | 18.5 HP | 21 HP |
| Torque | 29.7 Nm | 48.4 Nm | 57 Nm |
| Cooling System | Water-cooled | Water-cooled | Water-cooled |
| Emission Compliance | EPA Tier 4 | EPA Tier 4 | EPA Tier 4 |
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Conclusion
The 2-cylinder Kubota diesel engines, particularly the Z482 model, stand out for their compact design, robust performance, and reliability across various applications. With advanced technologies like E-TVCS and a commitment to environmental compliance, Kubota continues to lead in the diesel engine market. Whether for agriculture, industrial use, or construction, these engines provide an excellent balance of power and efficiency.
FAQ
What is the power output of the Kubota Z482 engine?
The Kubota Z482 engine produces a net power output of 12.5 HP (9.3 kW) at 3,600 RPM.
What type of cooling system does the Z482 use?
The Z482 utilizes a water-cooled cooling system, which helps maintain optimal operating temperatures.
What are the applications of the Kubota Z482 engine?
The Z482 engine is commonly used in agricultural machinery, industrial equipment, and construction tools like mini-excavators and welders.
What is E-TVCS technology?
E-TVCS stands for Three Vortex Combustion System, an innovative technology that improves combustion efficiency and reduces emissions.
What is the torque rating for the Z482?
The torque rating for the Z482 engine is 29.7 Nm (21.92 ft·lb) at 2,600 RPM.
How does the Z482 compare to other Kubota diesel engines?
Compared to other models like the Z602 and D722, the Z482 has a smaller displacement and lower power output, making it ideal for compact applications.
Is the Z482 compliant with emission regulations?
Yes, the Z482 engine complies with EPA Tier 4 and EU Stage V emission regulations.
What features reduce noise and vibration in the Z482?
The Z482 has a half-float valve cover and coated pistons that help minimize noise levels and vibration.
Can the Z482 engine be used in cold weather?
Yes, the Z482’s super glow system allows for quicker engine starts in cold weather conditions.
Where can I find more information about Kubota engines?
For detailed specifications and information, you can visit sites like www.engine-specs.net, www.kubotakubota.net, and kubota.com.au.