While we have no way of knowing what converter is in a Dutchmen Adirondack trailer, you can use the following:
- Progressive Dynamics 9300 Series RV Converter Charger # PD49RR view full answer...
Based on what we could find, the AL-KO 8490 is a 3,500 lb axle, and your info stating the 5 on 4-1/2" bolt pattern and 10" x 2-1/4" drum size supports that as well.
I do recommend verifying what you need by taking apart your current hub assembly and looking at the bearings themselves; wipe away the grease and you should be able to see the part number stamped directly on them. If you are unable to find them, you need to use a digital caliper and measure your spindle to the thousandths... view full answer...