The I Series Trailer is constructed of a single cold formed I-beam to make the outer trailer frame from tongue to tail, a very solid structure. The single frame design also gives the I Series a very clean and strong profile. Capacities ranging from 7,480 - 21,800 lbs. GVWR 9,980 LB. Call Ditch Witch Mid-States at 888-348-2494 with any questions! This trailer is AVAILABLE TODAY!