KAESER MOBILAIR M235 Portable Compressor.
High-output portable compressed air built for demanding industrial, mining and construction environments..

Australia Wide Delivery
Expert Support
Technical advice from selection to commissioning.
Serviced & Maintained
Built for Tough Sites
Portable air power without compromising performance
The KAESER MOBILAIR M235 is a high-capacity portable diesel compressor designed for demanding applications where reliable compressed air is required away from a fixed plant.
Powered by a 201 kW Cummins diesel engine and KAESER's SIGMA PROFILE rotary screw airend, the M235 delivers strong compressed-air performance with operating configurations from 8.6 to 14 bar.
Its rugged construction, large fuel capacity, intuitive control system and multiple mounting configurations make it well suited to industrial shutdowns, mining support, construction, pipeline work and temporary compressed-air supply.
- Up to 825 cfm air delivery
- Working pressure 8.6 to 14 bar
- 201 kW Cummins diesel engine
- 420 litre fuel tank
- SIGMA PROFILE rotary screw airend
- Built for tough site conditions
- Towable, skid-mounted or stationary
- Optional cooled, filtered and oil-free air

Performance by Pressure
Air delivery based on working pressure.
| Working Pressure (bar / PSI) | Air Delivery (m³/min) | Air Delivery (cfm) |
|---|---|---|
| 8.6 bar / 125 PSI | 23.3 m³/min | 825 cfm |
| 10 bar / 145 PSI | 22.6 m³/min | 800 cfm |
| 12 bar / 175 PSI | 19.8 m³/min | 700 cfm |
| 14 bar / 200 PSI | 18.1 m³/min | 640 cfm |
Higher pressure or higher airflow? The right M235 configuration depends on the pressure and airflow your application requires. Kirbtech can help match the machine to your equipment and site requirements.
Technical Specifications
Key machine data.
- Standard configuration without compressed-air treatment.
- Subject to configuration and operating conditions.
High Air Output
Up to 825 cfm of compressed air to power demanding industrial and site applications.
Flexible Pressure
Operating pressure options from 8.6 to 14 bar to suit your specific application.
Cummins Diesel Power
201 kW Cummins QSB 6.7 engine delivers reliable power in tough conditions.
Full-Shift Endurance
420 litre fuel tank designed for extended operation across a full work shift.*
Simple Operation
SIGMA CONTROL SMART with three-button operation and automatic protection.
Built for Tough Conditions
Engineered for continuous operation in ambient temperatures up to +50°C.
Easy Service Access
Large access doors and well-organised layout for faster maintenance.
Flexible Deployment
Towable, skid-mounted or stationary configurations to suit your site.