Komatsu 4D84 Engine for Excavators
The Komatsu 4D84 engine stands as a testament to Komatsu’s legacy of engineering excellence in the construction and industrial machinery sector. This four-cylinder diesel engine has earned a reputation for exceptional reliability, fuel efficiency, and robust performance in demanding work environments worldwide.
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The Komatsu 4D84 engine stands as a testament to Komatsu’s legacy of engineering excellence in the construction and industrial machinery sector. This four-cylinder diesel engine has earned a reputation for exceptional reliability, fuel efficiency, and robust performance in demanding work environments worldwide.
Designed with a focus on durability and low operating costs, the 4D84 series delivers consistent power output while maintaining compliance with global emissions standards. Its compact dimensions make it an ideal choice for a wide range of equipment where space is at a premium, without compromising on performance capabilities.
Komatsu’s advanced engineering ensures that the 4D84 engine offers superior torque characteristics across various operating ranges, making it highly versatile for different applications. With a strong emphasis on serviceability, this engine features easily accessible components that simplify maintenance procedures, reducing downtime and operational costs for equipment owners. Whether powering small construction machinery or industrial equipment, the Komatsu 4D84 continues to be a preferred choice for professionals seeking a balance of power, efficiency, and longevity.
Komatsu 4D84 Engine Technical Specifications
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4D84
Vertical 4-Cylinder Diesel Engine
Material Handling & Construction
340 kg
Core Parameters
Technical Features
- Direct fuel injection system for improved combustion efficiency and fuel economy
- High-strength cylinder block with reinforced structure for extended service life
- Integrated pressure lubrication system with full-flow oil filtration
- Compliant with EPA Tier 2 and EU Stage II emissions regulations
- Low noise operation with advanced combustion control technology




























