[Fishous]

Forgive my ignorance, but the search doesn't help a lot on this.

What exactly are the DR/DH/D1 trucks?

 

[hemi1569]

dr is 1/2 pickup (1500)
dh could be a 1/2 ton or a 3/4 ton pickup (2500)
d1 is a 1 ton pickup (3500)
hope this helps