Bane Used Truckmounted Unit 

The Bane-Clene Perma-Mount™ 120 Basic carpet cleaning truckmount system is designed for the company that desires high output capability but does not require portability. Permanently mounted tanks allow a cleaning company to work all day.
Triple heating system: Wasted engine heat automatically heats your cleaning solution to the right temperature and an auxiliary electric heater is used for water temperature control. The large insulated tanks enable you to clean all day without having to refill or dump water. The system is totally electric, with no dangerous or expensive fuels required. It is not necessary to operate truck engine while cleaning.
Fast drying.
A perfect fit for the one-person truck operation where all work can be accomplished from your vehicle