As I know in DV80 is Perkins engine 1004-42,maybe parts to this engine will be fit to your truck.
In Poland you can find a lot of DV trucks aspecially DV1792,DV1733 with Perkins engine 3 and 4 cylinders.
Check very carfuly all parts before order because Bulgarian Perkins engines can be different to other Perkins.

Try Atlas Lift Truck in Shiller Park IL.
They are about the only dealer here in the US.