These frames were used for the Walter Kidde and Stewart Warner small compressors and engines. It is light weight and is 19" H X 22"L X 17"W. The mounting holes are 10 3/4" apart. We've put compressors and various engines on this same frame by making an adapter plate to accomodate the engine holes. Feel free to email your questions. We accept Visa MC, American express and paypal. This will ship UPS, Fedex Ground, US postal service, or the carrier of your choice. Check out my other items!