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NOTICE

Dear Customer:

Willis Power Systems is no longer manufacturing APU systems. However, we are dedicated to fully supporting our current customers' needs regarding warranty, parts, and service. All support is currently managed through Peterbilt of Springfield. Please see the below link in order to contact Peterbilt of Springfield for all of your support needs. We apologize for any inconvenience.

Sincerely,

The Larson Group, Inc.

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Peterbilt of Springfield:

417-865-5355
800-666-7383