Td4 engine swap

Hi, I am new to the club, and hope some one can help,I have a 2004 Freelander td4 2 ltr d manual, the engine is shot, I have the chance of a 2003 rover 75 2 ltr d automatic engine, I’ve been told it’s the same engine, but the ancillaries are different. Is it just a matter of just changing the flywheel, clutch andgearbox, or is there more I should know? Any advice would be appreciated.
Thanks.