eBay
Here is my 1924 Ruston APR engine. Its a nice early example with the Robert Bosch flick magneto. The engine starts easily and is a good runner. The engine sits on a nice sturdy 4 wheeled trolley which has steering, which makes moving it very easy.

I am based in East Yorkshire, just outside of Hull. Due to the size and weight of the engine it will need collecting. Please pay cash on collection. I may also be able to put it on a pallet and send with our local courier. If you send me your postcode I can get a price.