TW31G sawmills with the 6ft rail extension and 20ft trailer package. These manual sawmills have a 15hp gas engine and will cut logs up to 31 inches in diameter and 16 ft, 5 in long. The TW31G sawmills are green and orange as shown in the pictures. We are located in Olympia Washington and Portland Oregon, but ship all over the US. We offer the full line of Timber Wolf Portable Sawmills at https://parts.portablesawmill.us/