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8.5 x 36 Lamar FD 25.9K Equipment Trailer – Ready To Work!

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The Lamar FD (Extreme Duty Deckover) is a dual-wheel workhorse designed for the heaviest bumper-pull or gooseneck applications. The FD series moves into the serious commercial territory, offering 25,000 lb to 25,900 lb GVWR configurations.

KEY STANDARD FEATURES

12" x 19 lb I-Beam Frame & Neck

The FD is built on a massive 12" I-beam chassis (weighing 19 lbs per foot).

• The Benefit: This is a significant jump in steel thickness compared to standard deckovers. It provides the rigid backbone necessary to support over 10 tons of cargo without the frame bowing or twisting under load.

1. Axle Configurations (10K vs. 12K)

• 10K Model (25K GVWR): Features Dual 10,000 lb Oil-Bath Axles. These are standard for operators who need high capacity but want to keep the trailer more maneuverable and avoid some of the heavier maintenance associated with larger setups.
• 12K Model (25.9K GVWR): Steps up to Dual 12,000 lb Oil-Bath Axles. These axles use a heavier-duty braking system and larger bearings, designed for constant daily use hauling massive machines like dozers or large excavators.

1. Oil-Bath Hubs (Standard for both)

Both the 10K and 12K axles come standard with Oil-Bath Hubs rather than grease.

• The Benefit: Maintenance is much simpler; you can check your lubrication levels through a clear sight cap. Oil also dissipates heat better than grease, which is critical for long-distance hauling with heavy weight.

1. 102" Wide Deck with Under-Frame Bridge

The FD provides a full 102" width and includes an Under-Frame Bridge on models 30' and longer.

• The Benefit: An under-frame bridge is a structural truss welded under the main I-beam. It acts as a "spine" that prevents the trailer from sagging in the middle over time, especially when hauling concentrated loads like steel coils or heavy equipment.

1. Dual 10,000 lb 2-Speed Jacks

Lamar upgrades the FD to Dual 10K 2-Speed Jacks as standard for 2026.

• The Benefit: 2-speed jacks allow you to drop the legs quickly in high gear when empty, then switch to low gear for 2.5 times more cranking power when you need to lift the tongue of a fully loaded trailer.

1. Full-Width Front Toolbox

Every FD comes with a lockable, full-width toolbox integrated into the neck (gooseneck) or tongue.

• The Benefit: This is massive storage. It is large enough to hold multiple sets of 5/16" or 3/8" transport chains, binders, and recovery straps, keeping them out of the elements and locked away from theft.

PERFECT FOR The FD 10K is ideal for construction crews hauling medium excavators and skid steer combos. The FD 12K is the "Go-To" for commercial hotshotters and heavy equipment movers who need the absolute maximum payload capacity available in a non-semi trailer.

Why Choose the Lamar FD?- The Warranty: You are backed by Lamar's 3-Year Structural Warranty and 1-Year Component Warranty. In the heavy-duty sector, having the frame and main structure guaranteed for three years is essential for commercial peace of mind.

• Torque Tube Standard: On trailers 36' and longer, Lamar adds a Torque Tube—a heavy-duty pipe running down the center of the frame. This prevents "side-to-side" frame twist when loading on uneven ground.
• Sandblasted Powder Coat: To ensure the finish lasts as long as the steel, every FD is 100% sandblasted before receiving its industrial-grade powder coat. This prevents the rust-under-paint issues common in budget heavy-duty trailers.

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