Mitsubishi S4L motor

Mitsubishi S4L Engine: A high-performance, 4-cylinder, liquid-cooled diesel engine renowned for its durability and efficiency in the compact equipment sector. As part of Mitsubishi's "S" series, it is designed for demanding environments where reliability is non-negotiable, offering a robust power output despite its compact dimensions.

Engine Configuration: Inline 4-cylinder, 4-stroke, 1.7L displacement

Cooling System: Liquid-cooled

Rated Power: 25 – 35 kW (33 – 47 hp) @ 2500 – 3000 rpm (depending on application)

Fuel System: Mechanical direct injection

Key Advantage: Excellent balance of torque and power; features a highly reliable design that is easy to service, minimizing downtime in field applications.

Primary Applications: Mini-excavators (e.g., various Caterpillar, Kobelco, and Takeuchi models), compact tractors, small construction loaders, and agricultural utility vehicles.

Guangzhou Jianming Machinery Equipment Co., Ltd.
With 20 years of solid practical experience, we are experts specializing in mechanical power and spare parts.

We started as a small mechanical repair shop. Over the past 20 years, we have accumulated extensive successful practice cases and maintenance experience worldwide. This first-line experience in solving complex mechanical problems has earned us widespread acclaim globally and propelled our growth into a comprehensive enterprise with over 200 professionals.

We deeply understand the difficulties faced by equipment under extreme conditions and possess rich practical experience and professional skills in the following areas:

Heavy Machinery Power Upgrades & Retrofitting: Providing custom engine retrofitting and replacement solutions for excavators, bulldozers, loaders, and other heavy equipment. We are highly proficient in mainstream power systems, including Mitsubishi, Kobelco, Yanmar, Caterpillar, Cummins, Isuzu, Perkins, Deutz, and Volvo.

Mining Equipment Maintenance & Optimization: Offering professional repair, maintenance, and power optimization strategies specifically designed for heavy mining equipment operating under high-load conditions.

Agricultural & Irrigation System Solutions: Assisting farms in efficiently designing and assembling irrigation systems, as well as troubleshooting and upgrading power units for various agricultural machinery.

Leveraging this wealth of technical experience, we are also a strong supplier of spare parts:

Comprehensive Mechanical Parts Supply: Because we understand repair, we know the importance of quality. We provide a complete range of carefully selected parts for excavators and heavy machinery, covering hydraulic systems, fuel systems, internal engine components, and electrical systems, fully meeting your one-stop procurement needs.

Our rich practical experience and comprehensive supply chain system are our most valuable assets. Whether you are facing complex mechanical challenges or need reliable spare parts, Jianming Machinery has the expertise to help you succeed!