I'm just building one myself, have used BRC023 roller bearing axleboxes with inverted hoods and BRC042 BR heavy duty springs from Wizard models.
Will probably use Oleo buffers with 13" heads,also from Wizard,
regards
Paul
Fairly certain that's 37208,there's a couple of shots on flickr,which for some reason I can't attach,showing the sheep by the frost grill in the same place.