goggle images of dana 44 and dana 35, there are distinctively different in looks, then compare to yours, you will know straight away. The Dana 44 kind of looks like an apple on its side.
Dana 44s come anywhere from 2.XX:1 ratio all the way up to 5.XX:1s. After market you can get 6:1 gears for them. It just depends which vehicle they are coming from.
The easiest way is the check the model number to the right of the cover on the axle web itself. If it's a D44 it should say "44." You can also tell by the shape of the cover as well. The D35 and...