Profile: Darr Power Systems provide sources for the requirement of diesel or natural gas engines for a generator or firewater pumping equipment. We are fully equipped to handle turnkey packaging on various types of engine, pump and compressor applications. Darr and Caterpillar® are synonymous when choosing a source for standby or prime power. We house a sales and product support staff, engineering and drafting (CAD) departments and a library for data support. Our facilities also include packing shop and warehouse space.