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8.5 x 40 Diamond C FMAX 216 40K Equipment Trailer – Ready To Work!

The Diamond C FMAX 216 is a heavy-duty workhorse specifically engineered for hotshot hauling and heavy equipment transport. The "216" designation refers to its dual 16,000 lb axles, providing a standard GVWR of 30,000 lb (often upgradable to 40,000 lb)

KEY STANDARD FEATURES

Engineered Beam Technology

Unlike traditional hot-rolled I-beams, Diamond C uses a patented Engineered Beam (16" or 18" depending on length). This design allows the frame to be taller and stronger where stress is highest, while reducing unnecessary weight, making it up to 1,800 lbs lighter than competitors.

Dual 16,000 lb Heavy Duty Axles

The trailer comes standard with two 16,000 lb oil bath axles. These are high-capacity axles designed for commercial longevity and are paired with Electric-over-Hydraulic (EOH) Disc Brakes for superior stopping power under heavy loads.

Heavy Duty Suspension

To manage the 32,000 lb+ axle capacity, the FMAX-HDT 216 utilizes a Hutch Heavy Duty Adjustable Suspension. This system is preferred by commercial haulers for its durability and ease of maintenance compared to standard slipper springs.

DM Difference Maker Coating

The trailer is finished with the DM Coating System, which involves a 6-step process including mechanical de-scaling and a zinc-rich primer followed by a high-gloss powder coat for maximum corrosion resistance.

Engineered Gooseneck & Storage

The neck is a 12" curved engineered gooseneck designed to distribute stress more evenly than traditional square-cut necks. It includes a large Diamond Plate Neck Box with a gas-shock-assisted lid for organized tool storage.

Wheel and Tire Specifications

Because of the 16k axle rating, this trailer uses a "Tandem Dual" configuration with high-capacity commercial-grade rubber.

Tire Size: ST215/75R17.5

Ply Rating: 18-Ply (Standard for 16k axles; some configurations may show 16-ply as base, but 18-ply is the HD standard for this GVWR).

Tire Type: All-Steel Belted Radial.

Wheel Size: 17.5" x 6.75".

PERFECT FOR

Hotshot Trucking & Heavy Hauling This is the "gold standard" for professional hotshotters. Because of the Engineered Beam (which saves weight) and the 30k–40k GVWR, it allows for maximum payload while staying within legal weight limits. It’s perfect for hauling:

• Steel coils and industrial pipes.
• Oversized construction materials.
• Multiple vehicles or non-running chassis.

Heavy Construction Equipment

• Paving Equipment: Rollers and pavers that struggle with steep loading angles.
• Earthmovers: Large skid steers, mid-sized excavators, and backhoes.
• Aerial Lifts: Scissor lifts and man-lifts that require a smooth, gradual incline to climb the deck.

Agricultural Logistics

• Massive tractors and combines (with duals).
• Loaded hay wagons or 20+ round bales.

Recovery & Rental Fleets

Why the "216" specifically?

The 16,000 lb axles are the key. Most heavy goosenecks use 10k or 12k axles. By stepping up to the 16k setup with 17.5" 18-ply tires, you are buying:

Heat Dissipation: Better for long-haul, cross-country trips in summer.

Braking Safety: The standard disc brakes on this model stop significantly faster than the drum brakes found on lighter trailers.

Reduced Down-Time: These tires and axles are "overbuilt" for most loads, meaning fewer blowouts and bearing failures.

THE DIAMOND C (FMAX-216) ADVANTAGE OVER THE COMPETITION

• FRAME: Patented Engineered Beam (Lighter & Stronger) vs. Standard Heavy I-Beam
• NECK: 12" Curved Engineered Gooseneck vs. Traditional Square-Cut Necks
• BRAKES: Electric-Over-Hydraulic (EOH) Disc Brakes vs. Standard Electric Drum Brakes
• AXLES: Dual 16,000 lb Heavy Duty Oil Bath Axles vs. Standard 10k/12k Axles
• FINISH: DM 6-Stage Powder Coat + Zinc Primer vs. Basic Single-Stage Paint
• HUBS: Premium Valcrum Aluminum Hubcaps vs. Cheap Plastic Snap-on Caps
• STABILITY: Cambered Chassis (Anti-Sag) vs. Flat-Frame Construction

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