The Cat?� C13 IPU configuration not only provides the flexibility and options found on a standard industrial engine, but also comes fitted with air filter and mounting, an integrated cooling system with air and coolant lines, and full wire harnessing with an engine-mounted ECM. Meeting Brazil MAR-1 and UN R96 Stage IIIA emission standards and UN R120 performance standards for measurement of net power and specific fuel consumption, the IPU allows for easier and faster installation, allowing the customer to spend less time worrying about integration and more time doing the work that matters.