2026 N&N Trailers BUFMAX255G30KD

Buffalo H12 Max Gooseneck Deckover Trailer
Need maximum durability on the job site? Meet the Buffalo H12 Max deckover trailer featuring a heavy‑duty one‑piece gooseneck. For those tough working conditions, we built a trailer that’s made to work hard, delivering reliable performance year after year!

Our Versatile Buffalo H12 Max Trailer
Two dual-wheel (tandem) axle options are available:
2 x 12,000 lb on 235-80R16, 14-ply tires, 110 PSI, steel-belted
2 x 15,000 lb on 215-75R17.5, 16-ply tires, 125 PSI
Gross Vehicle Weight Rating (GVWR) for both axle options: 30,000 lb.

Low-Profile Deckover Design
This galvanized steel deckover trailer is a proven choice with its 37 in. deck height. Loading your equipment is easier and you get better stability on the road.

Offered as an option: adapted gooseneck for dump truck
Working with a dump truck? Order your Buffalo H12 Max deckover trailer with our custom gooseneck option, designed to deliver all the clearance you need during maneuvers.

Under-Deck Dunnage Storage
Available as an option on the Buffalo H12 Max, a 102 in. galvanized steel storage box integrates directly beneath the deck. Designed to store your dunnage wood, it provides safe, accessible storage while freeing up your truck bed.

Deckover Trailer Manufacturing Flexibility
Equipped with a 5 ft. rear beavertail, our Buffalo H12 Max deckover trailer is available in multiple deck lengths to fit your specific needs (20, 22, 25, 27, or 30 ft.). Contact your local dealer to get a custom‑built deck length.

Bolt‑On Decking Option: Ergonomic Design for Your Trailer
Now available on the Buffalo H12 Max deckover trailer! A bolt-on deck option that can be easily added even after purchasing your trailer. Built with ultra‑durable hemlock wood construction, this 6 ft. x 8 ft. deck extension helps you maximize your cargo capacity.

Standard Electric Brakes for Maximum Safety
Electric brakes come standard on the Buffalo H12 Max gooseneck deckover trailer. Drive with complete peace of mind on every daily work job!

Standard 3 in. Dexter Suspension
Our Buffalo H12 Max deckover trailer comes standard with a 3 in. Dexter slipper spring suspension. Choose between 38 in. (under 1 meter) or 48 in. (over 1 meter) axle spacing for lighter towing weight.

Heavy‑Duty Deckover Frame
Our ultra‑rugged frame built with a standard 12 in. (19 lb/ft) H-beam, combined with its low 37 in. deck height, lets you haul heavier loads while providing the stability you expect from the Buffalo H12 Max gooseneck deckover trailer.

One‑Piece Gooseneck Trailer for Superior Payload Capacity
Featuring a lightweight yet rugged one-piece galvanized steel gooseneck, the Buffalo H12 Max deckover trailer pulls smoothly while offering a superior payload capacity of 10,000 to 28,000 lb.

Easy Deck Access
Say goodbye to back strain with the standard 40 in. “Flip‑Over” ramps featuring the “Easy‑Lift” system on the Buffalo H12 Max deckover trailer. It is the best‑balanced ramp system on the market: lightweight to operate, yet exceptionally rugged.

Features May Include:

• 3 15/16 in. Round Pipe Front Coupler with Fifth‑Wheel Attachment (GVWR, 30,000 lb)
• 3 15/16 in. Round Pipe Front Coupler with 2 5/16 in. Ball (GVWR, 30,000 lb)
• Easier loading: standard winch plate
• Work safely: led floor lighting
• Easy access: foldable side step
• Free up the toolbox: chain rack and tensioner pulley
• Remain visible: led lights
• D-rings every 5 ft.
• Standard galvanized steel toolbox and latch with key
• Gas cylinder strut to keep the toolbox lid propped open
• Easy lift ramp is secure and rapid to lock
• Extra Storage: Optional 30 in. x 14 in. x 16 in. Norcan Underframe Box Available
• Standard spare wheel rack
• No more tiring yourself out turning cranks: hydraulic jack available

Optional:

Optional N&N 16 in. x 18 in. x 48 in. Storage Box

• Add an optional N&N 16 in. x 18 in. x 48 in. storage box to safely store your tools and equipment under the Buffalo H12 Max trailer. Ideal for maximizing storage space and upgrading functionality on demanding jobs.

Optional Electro‑Hydraulic Brakes

• Upgrade to electro‑hydraulic brakes with a reliable 1,000 PSI actuator. Engineered to high quality standards, this option delivers smooth, dependable braking even under the toughest conditions.