Wow, lowering a train body down onto the chassis. Amazing, just one of those things I've never given a moments thought to how it was made

Does that just blow your mind and make you wish you could hang around and watch while that happens?

1926 Foden 6 ton...

barely an evolutionary step past the first steam tractor, this is some early iron! Wow, how did this survive the last 84 years and still operate?
For some more photos of this and similar great old steam powered tractors: http://ccmv.fotopic.net/p63383593.html