KAESER MOBILAIR M 450 Compressor.
High-volume portable air with flexible pressure for mining, drilling, quarrying and demanding industrial operations..

Australia Wide Delivery
Expert Support
Technical advice from selection to commissioning.
Serviced & Maintained
Built for Tough Sites
Maximum portable air. Built for hard conditions.
The KAESER MOBILAIR M 450 delivers up to 48.1 m³/min (1,700 cfm), providing serious portable-air capacity for high-demand site operations.
Dynamic pV control lets operators set pressure in 0.1 bar steps between 6 and 14 bar, matching output to the application and helping avoid wasted energy.
A 360 kW Mercedes-Benz / MTU engine, SIGMA PROFILE airend and energy-saving fan support dependable, efficient operation in harsh weather and remote sites.
- Up to 48.1 m³/min / 1,700 cfm air delivery
- Adjustable pressure from 6 to 14 bar
- 360 kW Mercedes-Benz / MTU Tier 3 engine
- 900 litre fuel / AdBlue capacity
- SIGMA PROFILE rotary screw airend
- SIGMA CONTROL SMART
- System A or System F compressed-air treatment
- Designed for ambient temperatures from -10°C to +50°C

Rated performance
Rated operating data across the KAESER MOBILAIR M 450 pressure variants.
| Performance item | Rated value |
|---|---|
| 8.6 bar variant at 7 bar | 48.1 m³/min / 1,700 cfm |
| 8.6 bar variant at 8.6 bar | 44.6 m³/min / 1,575 cfm |
| 14 bar variant at 7 bar | 43.9 m³/min / 1,550 cfm |
| 14 bar variant at 14 bar | 37.7 m³/min / 1,330 cfm |
| Minimum adjustable pressure | 6 bar / 87 psi |
| Maximum adjustable pressure | 14 bar / 200 psi |
| Pressure adjustment increment | 0.1 bar through SIGMA CONTROL SMART |
The supplied flyer and KAESER brochure identify an oil-injected SIGMA PROFILE rotary screw compressor with dynamic pV control.
Technical specifications
Key machine data.
- Actual run time will vary based on load and operating conditions.
Dynamic pV Control
Set pressure in precise 0.1 bar steps so available flow matches the application and hose length.
High-Volume Output
Deliver up to 48.1 m³/min (1,700 cfm) for demanding large-scale portable-air work.
SIGMA PROFILE Airend
Flow-optimised rotary screw technology produces more compressed air with efficient energy use.
Smart Operation
SIGMA CONTROL SMART clearly displays operating data and supports safe machine start-up.
Full-Shift Capacity
The generous 900 litre fuel and AdBlue capacity helps minimise refuelling interruptions on site.
Harsh-Site Durability
Engineered for dependable operation from -10°C to +50°C and in tough construction conditions.
Safe Site Transport
Lashing eyes, lifting access, forklift pockets and a parking brake support practical machine handling.
Air Treatment Options
Choose cool condensate-free air or filtered, technically oil-free air to suit the application.