What are the dimension comparisons between the 30 inch and 48 inch Pyroweeders?

Below is a dimensional comparison of the 30" and 48" Pyroweeders and possible combinations with associated costs. 

30" Wheel base range: 31-36” (Inside to inside of wheel)

48" Wheel base range: 42-54” (Inside to inside of wheel)

30” is a 5 Burner Manifold

48” is an 8 Burner Manifold