I agree with the last post
One reason NFU aren't the cheapest is that they settle and quickly
I had a stock trailer stolen a few years ago I thought it was insured but I was wrong. After discussion with NFU, I found out that had my tractor been insured with NFU, every trailer and implement would also be insured, whether attached or not, whether on my holding, or not
Needless to say I have changed my tractor insurance (£15 more expensive !)