Mitsubishi S4Q Motor

Mitsubishi S4Q Engine: A highly versatile, liquid-cooled, 4-cylinder diesel engine in the Mitsubishi "S" series. Engineered for reliability, this engine is widely recognized for its robust performance in compact construction equipment and agricultural machinery, providing consistent power output with relatively low fuel consumption.

Engine Configuration: Inline 4-cylinder, 4-stroke, approx. 2.0L – 2.5L displacement (varies by specific variant: S4Q2 is common)

Cooling System: Liquid-cooled

Rated Power: 30 – 45 kW (40 – 60 hp) @ 2500 – 3000 rpm (depending on application and aspiration)

Fuel System: Mechanical direct injection

Key Advantage: Exceptional durability in high-load scenarios, compact design, and ease of field maintenance, making it a preferred choice for small-to-mid-sized machinery.

Primary Applications: Compact excavators, small tractors, skid steer loaders, and various material handling equipment.

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!