DOUBLE DROP TRAILERS

     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 double drop trailers, are limited to a fixed (non-detachable) gooseneck design, but come in a variety of configurations:  any length up to 57', industry standards widths of 96" or 102", and a lower deck height of 30". 

     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 21" deep beam with 130k flange material ranging from 1/2" 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 or 14" 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 17.5" hub piloted 8-hole steel disc wheels
 Tires Michelin XTA 245/70R17.5 tires

 

 

Standard Options

 

(Doonan's Quote Sheet)

Dimensional Drawings

Triple Axle 

    

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