Iron Bull UTB03/UTB07: Single or Tandem Axle Utility
Specifications, configurations, and buyer fit for the Iron Bull UTB03/UTB07 Single or Tandem Axle Utility.
The UTB03/UTB07 is a current Iron Bull model. The published specifications below come from the manufacturer’s spec sheet. Confirm the current numbers with your dealer before you buy.
Published Specifications
| GVWR | 3,500-7,000 lb |
|---|---|
| Empty weight | 1,500-2,059 lb |
| Lengths | 12-18 ft |
| Width | 83 in bed |
| Axles | 1x 3,500 lb or 2x 3,500 lb |
| Brakes | Electric on one axle (UTB07, second brake axle available); idler with electric brake optional (UTB03) |
| Tires | ST205/75R-15 LRD |
| Coupler | 2 in A-frame (UTB03) or 2 in Apex auto latch (UTB07) |
| Deck height | 21-22 in |
4 in channel frame and tongue; 2.5 x 2.5 x 3/16 in angle crossmembers; 2 x 2 in tube top rail; 2 x 4 in tube rear bumper; 4 ft fold-in gate and 4 ft tailgate with springs; treated wood floor; stake pockets and tie downs; spare tire mount
Read from the manufacturer's published page on September 26, 2026. Options and model-year changes alter these figures, verify the current sheet with the dealer.
Manufacturer Source
Iron Bull listed this model family as active when checked on July 19, 2026. Confirm current specifications, options, and local availability directly with the manufacturer and dealer.
View the official Iron Bull UTB03/UTB07 page →