Robotron-Elotherm Inc., Southfield, Mich., designed, built and delivered a highly automated induction hardening system engineered to handle a family of six-cylinder diesel crankshafts to a diesel engine manufacturer. The system, dubbed "Big Yellow" by Robotron-Elotherm engineers, features several advanced technologies that enhance the quality and durability of the crankshafts it processes for use in the diesel engines that power the manufacturer's equipment.