 The sole NZR E class locomotive of 1906 was the only 2-6-6-0T locomotive ever built for and used by the New Zealand Railways Department.It was built at the Petone Workshops in Wellington and was designed for use on the world famous Rimutaka Incline.Numbered 66, making it E 66, it spent the first part of its working life in the Wellington region hauling trains up and down the Rimutaka Incline.