American Power Systems, Inc. (APS) designs and manufactures advanced mobile power systems and APUs for armored, security, commercial, marine and purpose-built specialty vehicles.

thomas-k.-evans-circle.jpgFounded in 2006 by the late Thomas K. Evans, APS specializes in custom design and development of high-output alternators, dual alternator bracket kits, power conversion and distribution systems from 12VDC to 58VDC, up to 10kW for diverse applications.

At our state-of-the-art facility in Davenport, Iowa, our experienced team evaluates vehicle platforms for a combination of electrical equipment based on customer and industry requirements. We design integrated power systems and perform ambient and catastrophic testing to ensure our products withstand the most severe conditions. You can meet the APS team here.

APS is the preferred supplier of government agencies and fleet operators worldwide to develop and provide power systems and programs to support vehicles and personnel in an array of environments and theatres.

We invite you to contact us today to learn more about how we can serve your power needs.

 Our Location



American Power Systems, Inc.
Company Headquarters

426 W. 2nd Street
Davenport, Iowa 52801
United States


International: +1 (563) 323-7994, Ext. 100

Domestic toll-free: (866) 446-8878, Ext. 100

Fax: +1 (563) 323-8089

 Message APS