15 TON Step/Drop Deck Transport Trailer (9 ft x 53 ft) ?Total Trailer Width: 108 in (9 ft / 2743 mm), ?Total Trailer Length: 636 in (53 ft / 16154 mm), ?Upper Deck Height (empty): 62 in (5.17 ft / 1575 mm),?Upper Deck With: 108 in (9 ft / 2743 mm), ?Upper Deck Length: 132 in (11 ft / 3353 mm), ?Lower Deck Height (empty): 40 in (3.33 ft / 1016 mm), ?Lower Deck Width: 108 in (9 ft / 2743 mm), ?Lower Deck Length: 504 in (42 ft / 12802 mm), ?Deck Material: Non-slip diamond-pattern steel deck plate, with a thickness of at least 0.25 in (6.35 mm)., ?Frame Design: Pierced beam construction for low-profile deck height., ?Frame Material: High-yield structural steel., ?Neck: Full I-beam neck designed for twin-screw truck compatibility., ?Crossmembers: Heavy-duty crossmembers on 12 in (305 mm) centers., ?Bolsters: Load-bearing bolster between axles., ?Ladder Supports: Integrated ladder-style supports., ?Tool Tray: Lockable steel tool tray integrated in neck area., ?Lashings: Six (6) Welded lashing D-rings., ?ISO Locks: Four (4) Pop-up ISO locks for container securement., ?Tie-Downs: Full-length rub rail with stake pockets and pipe spools for multiple tie-down options., ?Axle Assembly: Two (2) Tandem dual-wheel axles rated at 22,500 lbs. capacity each., ?Drums: Standard outboard-mounted drums for serviceable spindles and hubs., ?Brake Type/Size: Straight air brakes 16.5 in x 7 in (419 mm x 178mm) in heavy-duty shoes., ?Braking System: ABS 1-valve anti-lock braking system on both axles., ?Brake System Compliance: Meets or exceeds FMVSS No. 121 regulations., ?Suspension: Air ride suspension with leveling valve., ?Tire Size: Eight (8) 255/7R22.5 heavy-duty radial tires., ?Load Range: H (16-ply) rating for high-capacity and long-life commercial use., ?Tread Type: All-position highway tread., ?Wheels: 10-hole BUDD-style steel disc wheels (hub-piloted)., ?Wheel Design: One-piece forged steel construction., ?Hub Type: Oil-bath hubs with transparent sight caps., ?Mud Flaps: Heavy-duty rear flaps with anti-sail design., ?Spare Tire: One (1) full-size spare tire (to be mounted under deck).,?Spare Tire Mount: Undermount carrier assembly with secure locking bracket., ?Front Jacks: Two (2) Independently operated two speed screw-type jacks with mechanical locks., ?Rear Jacks: Two (2) Independently operated leveling jacks mounted rear corners for load leveling and stability., ?Control Access: Side-mounted wired controls or wireless remote option., ?Kingpin Setting: Adjustable height from 15 in - 24 in (381 mm - 610 mm) for various compatibility., ?Swing Clearance: Minimum of 82 in (2083 mm) from kingpin to front radius point., ?Kingpin Size: Standard 2 in (51 mm) SAE kingpin., ?Plate: Heavy-duty reinforced mounting plate, welded and bolted into neck assembly., ?Lighting System: 12-volt sealed, vapor-proof DOT-compliant lighting system., ?Harness: Modular, sealed wire harness with circuit protection (circuit breakers)., ?Wiring: 12 AWG heavy-duty wiring ran in sealed conduit throughout., ?Light Type: Rubber-mounted and sealed LED lights., ?Connector: Commercial-grade 7-way plug with protective housing., ?Lighting Compliance: Meets or exceeds FMVSS No. 108 regulations., ?Drawings: Drawings with detailed specification on precise spacing and weld locations will be provided after award.