Hello,

this is the largest steampowered traction engine in the world.
It was designed by the Case company in 1905. Only nine of these engines were built originally because there was no need for such big engines at that time.
The one that exists today is a replica based on the original blueprints from Case. It was manufactured by Kory Anderson and many other people who helped him.
It set the world record for most plow bottoms pulled by a single traction engine with 44 bottoms pulled.
The 150 in its name comes from the 150 horsepower it generates from a single 14-inch bore cylinder and 14-inch stroke piston.

I also made a small Steam Tractor.

Before you paste the schematic into a world using World Edit, set //perf neighbors off and //perf update off. There are some blocks I changed with the debug stick, they would get destroyed/change when they get a block update.

Enjoy!