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Posted June 27, 2025

Portable compressor

Kaeser’s new M81 is available in two pressures ranges covering 100 to 200 psi and features molded polymer gull wing doors for durability and easy access.


Kaeser M81 portable compressor
The Kaeser Mobilair M81 portable compressor is available with an adjustable pressure range of 100 to 150 psig, and also 100 to 200 psig.

The new M81 is the latest heavy-duty portable compressor in Kaeser’s popular Mobilair line. This versatile unit delivers up to 295 cfm at 100 psig, and is designed for civil and commercial construction, demolition, sand-blasting, fiber optic cable blowing and other utility applications.

It is available with an adjustable pressure range of 100 to 150 psig, and also 100 to 200 psig. Its innovative pV control system automatically increases free air delivery when a lower operating pressure is selected, optimizing energy efficiency, and ensuring air supply is precisely matched to demand.

The M81 is designed for durability and efficiency in all environments. A Hatz diesel engine meets US Tier 4 Final specifications and provides 11 hours of consistent, high-performance operation with the lowest possible emissions. The anti-frost control automatically adjusts operating temperature based on ambient conditions, and along with the optional tool lubricator, protects tools from freezing. The wide-opening, scratch- and dent-resistant, molded polymer gull wing doors provide all-weather protection and easy access to maintenance points. Plus, the standard Sigma Control Smart with its easy-to-use menu display allows the user to adjust settings as well as monitor fuel consumption, fluid levels, and operating conditions.

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