ナジコ List of Products and Services

The "Convicooler" is an aluminum heat exchanger designed to accommodate a variety of machines and applications, including forestry machinery and cranes/lifting equipment. It is possible to consider fins with a wider pitch to improve clogging resistance. We can explore various design combinations according to your required specifications and dimensional constraints. 【Features】 ■ Core arrangement and piping positions can be designed according to your preferences. ■ We can propose suitable heat exchangers based on dimensional constraints, required cooling specifications, and the capacity of the sending machine. *For more details, please refer to the PDF materials or feel free to contact us.

• Heat exchanger
• Other air conditioning equipment

We would like to introduce our "DC Fan Cooler with Oil Pump / DCO Series." It is compact because the oil cooler and pump are integrated, making it suitable for enhancing or expanding cooling capacity. The power supply is available in two sizes: 12V or 24V. It can be used for cooling hydraulic equipment in industrial vehicles or gearboxes. 【Features and Functions】 ■ The cooling fan and oil pump are driven by a DC motor ■ The fan cools the oil + the pump circulates the oil ■ Compact design due to the integration of the oil cooler and pump ■ Suitable for enhancing or expanding cooling capacity ■ Power supply: Available in 12V or 24V, two sizes *For more details, please download the PDF or feel free to contact us.

• Cooling system

The "DCO Series" is an oil cooler with an oil pump that uses a DC motor as its power source, designed for autonomous pump and ventilation units. The unit comes in two types: DC12V and DC24V. Additionally, since the oil pump is built-in, it can be installed away from the main system and used offline. 【Features】 ■ Cooling fan and oil pump driven by DC motor ■ Oil cooling by fan + oil circulation by pump ■ Compact design with integrated oil cooler and pump ■ For reinforcement and expansion of cooling capacity ■ Power supply: Available in 12V or 24V, with two size options *For more details, please refer to the PDF materials or feel free to contact us.

• Heat exchanger
• Cooling system

We would like to introduce our "Oil Cooler with Clogging Prevention Function." It maintains cooling performance by preventing clogging. The fan reverses for 30 seconds every 10 minutes to blow away dust and debris. The temperature sensor starts rotation at 40°C and reaches maximum speed at 60°C. Compared to continuous rotation, it is energy-efficient and low-noise. 【Features】 ■ The fan reverses for 30 seconds every 10 minutes to blow away dust and debris ■ Maintains cooling performance by preventing clogging ■ Temperature sensor: starts rotation at 40°C, reaches maximum speed at 60°C ■ Energy-efficient and low-noise compared to continuous rotation ■ Soft start with starting current less than 10% above rated current *For more details, please refer to the PDF document or feel free to contact us.

• Heat exchanger

We would like to introduce our "Oil Cooler with Fan Speed Control Function." The fan starts rotating at 40°C and reaches maximum speed at 60°C, thanks to the temperature sensor. Compared to continuous operation, it offers energy savings and low noise. The soft start results in a starting current that is less than 10% above the rated current. 【Features】 ■ Temperature sensor: Starts rotating at 40°C, maximum speed at 60°C ■ Energy-saving and low noise compared to continuous operation ■ Soft start with a starting current less than 10% above the rated current ■ Airflow direction: Intake or exhaust from the oil cooler ■ Power supply: DC12V or 24V *For more details, please refer to the PDF document or feel free to contact us.

• Heat exchanger
• Hydraulic Equipment
• Cooling system

The "MINI COOLER EX Series" is a compact air-cooled oil cooler that features an aluminum drone cup-shaped core. It achieves lightweight and high performance, making it suitable for oil coolers for general mineral oils, lubricants, and drain cooling for variable displacement pumps. 【Features】 ■ Low price ■ High performance ■ Lightweight ■ Compact *For more details, please download the PDF or feel free to contact us.

• Control Panel Cooler
• Cooling system

The "NAJICO SOC AL Series" is an air-cooled oil cooler with a strength that exceeds conventional products, featuring a test pressure of 2.94 MPa (30 kgf/cm²). It maintains the operating oil and lubricating oil of your hydraulic unit at the appropriate temperature at all times, ensuring precision and high efficiency of the equipment. We have a comprehensive system in place for both front service before installation and after-sales service, with a focus on ease of use. For more details, please download the PDF or feel free to contact us.

• Control Panel Cooler

The "DC Series" is an air-cooled oil cooler equipped with a DC motor, based on the traditional spirit of "quickly responding to a wide range of needs," while keeping the basic components unchanged. We offer a rich variety of 36 types for various construction machinery and special vehicles, powered by DC 12V and 24V. 【Features】 ■ The system cooler maintains the operating oil and lubricating oil of the customer's hydraulic unit at the appropriate temperature, ensuring machine precision and high efficiency. ■ Comprehensive front service until installation, as well as excellent after-service. *For more details, please download the PDF or feel free to contact us.

• Control Panel Cooler