From various engines and motors, you can get Sealed Units/Compressors for scrap. Usually, on the heavier side per item, Sealed Units/Compressors are good to save up for scrap. You can make a great deal from them due to their heaviness.
At Double-A-Recycling we accept them and also help you separate them from you other materials if you don’t know what they look like. Sealed Units/Compressors will usually have a blackout casing which is made of steel. However, on the inside, there is an electric motor which contains copper.