Well the parts turned up today and it's not good news. Looks to me like I received exactly the same bits as you Kenny.
The part numbers I received are:
Engine: 509-0052-SD
fullsizeoutput_12d.jpeg 43.39K
19 downloads
Gearbox: 509-4015-SD
fullsizeoutput_12e.jpeg 43.99K
17 downloads
Dont suppose you would have the part numbers off yours would you?