Cordless air compressor Bosch PRO GKO18V-51 solo, 51 l/min 4/8 bar

Bosch PRO GKO18V-51 is a compact and portable cordless air compressor designed for professional use in both construction and maintenance applications. The unit delivers an airflow of up to 51 l/min at 6 bar and a maximum operating pressure of up to 8 bar, providing reliable performance across a wide range of applications.

The user can choose between two pressure settings (4 and 8 bar), allowing optimization of runtime or maximum performance depending on the task. Working pressure can be precisely adjusted using the integrated pressure regulator. A quick-connect coupling enables fast and convenient hose connection and disconnection, improving workflow efficiency.

Thanks to its oil-free design and condensate drain valve, maintenance is simple and reliability is high. The compact design, low weight, and practical carrying handle make the unit easy to transport and suitable for mobile job sites.

Key Features

• Airflow up to 51 l/min at 6 bar
• Maximum pressure up to 8 bar
• Two pressure settings: 4 bar and 8 bar
• Precise pressure adjustment via pressure regulator
• Quick coupling for fast hose connection
• Oil-free design with low maintenance requirements
• Condensate drain valve
• Compact and highly portable design

Product Highlights

The PRO GKO 18V-51 is designed for mobile professional use where a reliable compressed air source is required. The unit quickly reaches operating pressure and ensures a stable airflow of up to 51 l/min. The two pressure modes (4 and 8 bar) allow adaptation to the task – longer runtime at lower pressure or maximum performance at higher pressure.

Quick couplings enable fast connection of tools and hoses, reducing downtime. The oil-free system and simple maintenance ensure reliability even under intensive use. The compact construction and carrying handle make it ideal for mobile applications.

The compressor is particularly suitable for plumbing work, heating system maintenance, and pressure testing of water systems. It is also a practical solution for tire inflation, pneumatic tool operation, and cleaning tools before storage.

Technical Data

• Maximum pressure: 8 bar
• Working pressure settings: 4 and 8 bar
• Airflow: 51 l/min @ 6 bar
• Tank volume: 4.5 l
• Oil-free: yes
• Pressure regulator: yes
• Working pressure gauge: yes
• Tank pressure gauge: yes
• Suction filter: yes
• Drain valve: yes
• Quick connector: yes
• Pump system: piston compressor
• Sound pressure level: 73.2 dB(A)
• Sound power level: 85 dB(A)
• Uncertainty K: 1.8 dB