After all the wet weather John is concerned the ground will be too wet
to start harvesting the corn in the next few days so the combine is
being fitted with 4 wheel drive to improve the grip on slippy fields.
This involved removing the rear axle and fitting a new one with
different wheel centres. When I took the photo the rear wheels were
going backwards when the combine was in forward gear and going forwards
when it was in reverse!! They assure me it is working correctly now!