View 6 Photos View 0 Videos 2020 Doonan 51ft Drop Deck Trailer - Combo, Aluminum Floor, Rear Sliding Axle, Toolbox, Tire Inflation System Price Drop $28,990 USD 2020 Doonan 51 ft Step Deck Trailer, , Model: Doonan Platinum 51' Drop Deck Trailer, Steel Frame, Aluminum Floor, Sliding Rear Axle- CA and FL Legal, Air Ride Suspension, Title... ConditionUsedL x W51 ft. x 102 in.SuspensionAir RideRear AxleTandem AxleFloor TypeAluminum FloorWeight10,899Stock NumberSpecials MLS Number14115279CategoryDrop Deck Trailers Last Updated2/10/2026 LocationGrand Saline, TX, US Sold ByITAG Equipment (844) 721-___ SHOWNUMBERCall Seller Email Seller Save More Info