The world's largest traction engine, the 150 Case steam engine. This was built as an exact replica of the original 1905 model, down to the original plans. Only 9 were built between 1905 and 1907, and none survived. The tractor is pulling a 36 bottom John

The world's largest traction engine, the 150 Case steam engine. This was built as an exact replica of the original 1905 model, down to the original plans. Only 9 were built between 1905 and 1907, and none survived. The tractor is pulling a 36 bottom John