Cass Scenic Railroad Shay No. 11 & the Lunkenheimer Mocking-Bird Whistle 📹 credit: @_mr.yates (Instagram for more clips and pics) The Shay No. 11 was built in 1923 for the Hutchinson Lumber Co.’s Oroville (Butte County) Calif. mill operation as No. 3. After restoration by Cass Scenic Railroad, it took its first excursion trial on September 17, 1999. About The Shay Locomotive The Shay locomotive, a geared steam locomotive, was developed in North America based on patents by Ephraim Shay. This typ