The Gaahleri Dual Drive Series GT-918 is a powerful twin-piston airbrush compressor designed for model builders who want stable airflow, extended painting capability and the flexibility to operate two airbrushes from a single compressor.
A built-in 1 litre air tank acts as a buffer between the compressor and airbrush, helping to smooth the airflow and reduce pulsation while allowing the motor to cycle rather than run continuously. The compressor automatically starts when tank pressure falls to approximately 43 PSI (3 bar) and stops when it reaches approximately 57 PSI (4 bar), providing a consistent air supply while reducing unnecessary motor operation.
One of the GT-918’s most useful features is its two independent air outlets. Each outlet has its own pressure regulator and gauge, allowing two airbrushes to remain connected at the same time and operate at different pressures. This is particularly convenient when switching between airbrushes configured for different tasks, such as fine shading and broader base coating, without repeatedly disconnecting hoses or readjusting pressure.
The twin-piston system delivers an airflow of approximately 20–23 litres per minute and is designed to support airbrush nozzle sizes from 0.2 mm to 1.0 mm, giving the GT-918 enough versatility for detailed model painting, general colour work, primers and larger-area spraying.
Integrated airbrush holders provide a convenient place to rest your equipment during painting sessions, while the carry handle makes the compressor easier to move around the workspace. Rubberised anti-slip feet help reduce vibration and keep the unit stable during operation.
With its tank-assisted airflow, independent dual regulators and higher air output, the GT-918 is particularly well suited to frequent model painting, longer sessions and hobbyists using multiple airbrushes as part of their regular workflow.
Key Features
- Twin-piston air compressor for strong and consistent air delivery
- Built-in 1 litre air tank for smoother, more stable airflow
- Automatic motor start at approximately 43 PSI / 3 bar
- Automatic motor stop at approximately 57 PSI / 4 bar
- Two independent air outlets allow two airbrushes to remain connected simultaneously
- Separate pressure regulator and gauge for each outlet
- Approximately 20–23 L/min air output
- Suitable for airbrush nozzle sizes from approximately 0.2 mm to 1.0 mm
- Tank-assisted operation reduces continuous motor running during painting
- Integrated airbrush holders
- Built-in carrying handle for easier transportation
- Rubberised anti-slip feet help reduce vibration
- Tank drain valve allows accumulated moisture to be released after use
- Suitable for Gunpla, mecha, scale models, miniatures and other airbrush applications
Specifications
- Model: GT-918
- Series: Dual Drive Series
- Compressor Type: Twin / Double Piston
- Motor Power: 1/5 HP
- Motor Speed: 1750 RPM
- Air Tank Capacity: 1 L
- Air Output: 20–23 L/min
- Automatic Start Pressure: 3 bar / 43 PSI
- Automatic Stop Pressure: 4 bar / 57 PSI
- Number of Air Outlets: 2
- Pressure Regulation: Independent regulator for each outlet
- Recommended Airbrush Nozzle Range: 0.2–1.0 mm
- Air Hose Connection: 1/8″ BSP
Recommended For
- General model airbrushing
- Base coating and colour application
- Fine detail and shading work
- Priming and larger-area spraying
- Longer or frequent painting sessions
- Workstations using two different airbrushes
- Gunpla, mecha, miniatures and scale models
What’s in the Box
- 1 × Gaahleri Dual Drive Series GT-918 Airbrush Compressor
- 1 × 1/8″ BSP Air Hose (6 ft)
- Airbrush Holder
















