690 Series:

The 690FD is designed to universally fit in the beds of Mid-Sized trucks such as the Holden Colorado, Isuzu D-Max, and Ford Ranger

760 Series:

The 760 is designed to fit in the beds of most Full-Size 1/2-Ton trucks and larger.

800 / 800SB

The 800 is designed to fit in the beds of most Full-Size 1/2-Ton trucks and larger.
These campers will sit even with the rear of an 8' truck bed.

The 800SB is designed to fit in the beds of most Full-Size 1/2-Ton Short-Bed trucks.
These campers will hang over the back of a 6' 6" truck bed by approximately 18"