Doonan has been in business for over 30 years building custom trailers that meet or exceed the specialized needs of owner operators. All Doonan trailers are hand-crafted and built to order.
Doonan drop deck trailers come in a variety of configurations: any length up to 57', industry standards widths of 96" or 102", and lower deck heights of 35" or 40".
While the overall G.V.W.R. is listed at 90,000 lbs, any concentrated load capacity between 50,000 and 80,000 lbs in either 10' or in 4' can be provided.
Standard Features
| Main Beam | 24" deep beam with 130k flange material ranging from 3/8" x 5" to 3/4" x 5" depending on concentrated load capacity, and 7 Gauge web material |
| Side Rail | 6" structural steel side rail |
| Cross Members | 4" steel cross members, set on 12, 14 or 16" centers |
| 5th Wheel | SAE King Pin with 18" location, 1/4" skid plate |
| Paint | 100% sandblasted, epoxy primer and black topcoat |
| Floor | 1 1/8" Apitong floor, double screwed with 5/16" screws |
| Electrical | Grote - sealed beam lighting system with 3 clearance lights per side, 3 marker lights in rear panel and 4 tail lights per side |
| Landing Gear | Jost A400T17 landing gear |
| Suspension | Hendrickson HT250 suspension |
| Axle | 25,000 lb. axle with cast hub/drums |
| Wheels | 8.25" x 22.5" hub piloted 8-hole steel disc wheels |
| Tires | Michelin 255/70R22.5PXZE tire |
Standard Options
Dimensional Drawings
| Closed Tandem |
| Wide Spread |
| Rear Axle Slide |
| Triple Axle |
| Dovetail |