2010 Caterpillar G3516C, Generator Sets, The engine has been completely rebuilt by Mustang Caterpillar and the engine will come with a one-year parts and labor warranty. Additional work that has been done to the unit: New radiator cores, new fan motor, new 4.4 EMCP, and new gas train. Walk in style sound attenuated enclosure with remote radiator mounted on one complete skid. Eaton 2500A electronic trip breaker. Square D 25 kVA 480V to 120/240V transformer for auxiliary electrical components. Digital exhaust fan controls. ,