The Westair WD75-RS and WD110-RS are silenced, single-stage, oil-injected screw compressors, powered by liquid-cooled, three-cylinder Kubota diesel engine. The unit consist of one high efficient compressor element, diesel engine, cooling, air/oil separation and control systems – all enclosed within silenced strong steel canopy. Special attention has been given to the overall product quality, user friendliness, ease of serviceability, and economical operation to ensure best in class cost of ownership.