The last three models that Corgi issued in the original farming model range were really clever and well-engineered, making use of existing castings, of course, but in an attractive way.
They are each now highly sought after and expensive to acquire in good condition.
This is the Ford 5000 Super Major Tractor with a trenching bucket at the rear, complete with control panel, stabilisers and hydraulic piping and a very nicely detailed attachment.