Thanks a lot guys, I really appreciate them.
Jaroslav, thanks for pointing out the correct colours, I'll change the lines, and perhaps add a power line when I'm back home.
The body colour was Tamiya TS-19 Metallic blue, sanded with mircomesh cloths, and polished with tamiya compound and modelling wax, and the frame was Tamiya metallic black (TS-40, I think).
At the moment, I'm at university so no progress on this till later, but I do plan to build the Revell 1/25 heavy duty trailer for it to tow