Platinum vs. Diamond: Doonan’s Lightweight Drop Deck Powerhouses

Introducing the Platinum™ and Diamond™ Drop Deck Trailers

Doonan’s Platinum and Diamond drop deck trailers are lightweight powerhouses built for exceptional performance. They combine the best elements of our Chaparral™ and Black Gold™ series, delivering impressive payload capacity and unmatched durability for modern hauling needs.

Platinum™: The Payload Maximizer

The Platinum is engineered for maximum weight savings. Featuring a lightweight bolt-together deck and extensive aluminum components, this trailer is designed to come in at under 9,100 lbs. It is the ideal choice for owner-operators and fleets focused on hauling the largest possible payload.

Approx. Weight: < 9,100 lbs

Diamond™: The Durable Workhorse

The Diamond prioritizes rugged durability. Built with robust steel components and a tough, reliable Apitong deck, this trailer is perfect for demanding loads and harsh environments. Weighing around 10,289 lbs, the Diamond offers a slight weight trade-off for enhanced structural toughness.

Approx. Weight: 10,289 lbs




Shared Key Features (Both Models)

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50,000 lb Beam Rating

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24” Deep Manufactured Beams

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Hendrickson Air Ride Suspension

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Steel Neck for Strength

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Standard 48’ Length, 102” Width


Which Lightweight Powerhouse is Right for You?

Choosing between the payload-maximizing Platinum™ and the rugged Diamond™ depends on your specific hauling demands.

Learn More & Compare Specs