Heavy Duty Steel Floor Cargo Trailer
The Heavy Duty Steel Floor Cargo Semi-Trailer (also known as a Reinforced Checkered Steel Deck Freight Trailer, Severe-Service Steel Floor Semi-Trailer, or All-Steel Heavy Freight Transport Semi-Trailer) is an ultra-rugged cargo trailer engineered for high-impact payloads, heavy industrial commodities, raw steel stock, scrap metals, timber, stone blocks, bagged cement, and tracked equipment. Unlike standard composite or thin-deck trailers, this model features an extra-thick (4mm, 5mm, or 6mm) continuous high-tensile steel checkered or flat deck plate welded directly to a high-density sub-frame matrix. Built on a heavy-duty Q345B/Q550/T700 structural steel chassis welded via automated submerged-arc processes, it provides supreme resistance against floor dishing, puncturing, and dynamic impact during intensive heavy forklift and crane loading operations. Outfitted with 3 or 4 commercial heavy-duty axles (13T/16T/20T FUWA or BPW), heavy multi-leaf mechanical or bogie suspension, multi-point perimeter securing hardware, and a dual-line pneumatic air braking system with WABCO ABS, this all-steel floor trailer delivers maximum structural endurance, extreme wear resistance, and long-term operating durability across harsh mining and industrial transport routes. Fully certified under ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications
Model NO. : Customized
Type : Semi-Trailer / Heavy Duty Steel Floor Cargo Semi-Trailer
Load Capacity : 45 - 70 Tons (Severe High-Impact Payload)
Condition : New
Grade : Severe-Service Heavy Industrial Logistics Grade
Shape : Flatbed / Drop Side / Stake Base with Extra-Thick Steel Deck
Origin : Shandong, China
Production Capacity : Customized
Certifications : ECE / ISO9001 / CCC / CE / SGS
HS Code : 8716399000
Overall Dimensions : Customized (Approx. 12500-14600 x 2550 x 1600-3200 mm)
Deck Usable Length : Customized (Approx. 12300-14400 x 2480-2500 mm)
Steel Floor Plate Type : High-Impact Checkered Steel Plate / Smooth High-Strength Steel Deck
Steel Floor Plate Thickness : 4.0mm / 5.0mm / 6.0mm High-Tensile Carbon Steel
Side Board / Fence : Optional 600mm-1000mm Drop Sides or Removable Fences
Sub-Frame Layout : High-Density Interlocking Transverse Crossmember Matrix
Wheel Base : 6800mm - 8800mm
Tread : 1820 mm
Axle Number : 3 / 4 Axles
Axle Brand : FUWA / BPW / HuaJin Severe-Service Heavy Duty
Axle Capacity : 13T / 16T / 20T per axle
Tire Number : 12 / 16 pcs + 1 or 2 Spare Tires
Tire Specification : 12.00R20 / 12R22.5 / 11.00R20 / 315/80R22.5 Heavy Radial Tires
Tire Brand : Triangle / Double Coin / Linglong
Rim : 8.5-20 / 9.00-22.5 Heavy Steel Disc Rims
Suspension : Heavy Duty Mechanical Multi-Leaf Spring / Heavy Bogie / Air Ride Suspension
Leaf Spring : 10 pcs / 12 pcs / 14 pcs Extra-Thick Pack (90x16mm or 100x16mm)
Brake System : Dual-Line Pneumatic Air Braking System with ABS
ABS Brand : WABCO / Kemi / Haldex
Self-dumping : Not Self-dumping
Material : High-Tensile Structural Steel Q345B / Q550 / T700 Ultra-High Strength
Main Beam Height : 500mm / 520mm Extra Heavy I-Beam
Upper/Down Plate : 16mm / 18mm / 20mm Extra-Thick Flange
Middle Plate (Web) : 8mm / 10mm / 12mm / 14mm
Welding : Automatic Submerged-Arc & Continuous Floor Seam Welding
Floor Securing : High-Density Crossmember Reinforcement (300mm Spacing)
Cargo Securing : Perimeter Rope Hooks / Reinforced Stake Slots / Heavy Floor D-Rings / Ratchet Winches
Landing Gear : JOST / FUWA 28T Heavy-Duty Two-Speed Manual Landing Gear
King Pin : JOST 50# (2-inch) or 90# (3.5-inch) Heavy Duty Bolted / Welded King Pin
Spare Tire Carrier : 1 or 2 Heavy-Duty Winch Units
Tool Box : 1 Unit Heavy-Duty Lockable Steel Box
Electrical System : 24V, 7-Pin ISO Socket, Full LED Lighting Package
Painting / Finish : Sand Blasting (Sa 2.5) + Anti-Rust Epoxy Primer + Heavy Polyurethane Topcoat
Colour : Optional / Customized RAL Code
Warranty : Main Beam Frame 3 Years / Axles & Major Parts 1 Year
Package : Nude Packing / Bulk Vessel / Ro-Ro / SKD Packaging
Delivery Time : 25 - 30 Working Days
Payment Terms : T/T, L/C
Key Structural & Performance Features
1. High-Impact All-Steel Deck & Sub-Frame Architecture
- 4mm–6mm Heavy Steel Deck Plate: Fully seam-welded high-tensile checkered steel floor deck provides maximum resistance against surface puncture, gouging, and dishing caused by sharp metal scrap, heavy stone blocks, or tracked machinery.
- High-Density Crossmember Matrix: Transverse support crossmembers are spaced at short intervals (down to 300mm), directly supporting the steel floor plate to eliminate sagging under high point-load concentrations and heavy forklift drive-in traffic.
- High Structural Durability: Designed to withstand harsh unpaved site environments, heavy impact loading from overhead cranes, and continuous abrasive freight friction without structural fatigue.
2. Reinforced Ultra-Rigid Main Chassis Frame
- Submerged-Arc Welded Main Beams: Built using Q345B/Q550/T700 structural steel with flange plates up to 20mm thick. Fabricated via automated submerged-arc welding to guarantee chassis alignment, torsional stiffness, and zero structural bowing under 70-ton loads.
- Heavy Perimeter Lashing Infrastructure: Features perimeter rope hooks, heavy-duty floor D-rings welded to internal crossmembers, side stake sockets, and optional ratchet tensioners for positive lashing of heavy industrial goods.
- Heavy-Duty Protective Finish: Sa 2.5 shot blasting combined with multi-layer epoxy zinc primer and tough polyurethane topcoat protects steel deck and chassis components against corrosion and mechanical wear.
3. Severe-Service Running Gear & Braking Safety
- Heavy Commercial Axles: Fitted with 3 or 4 commercial 13T, 16T, or 20T heavy-duty axles (FUWA or BPW) to ensure compliant weight distribution across multi-axle highway routes.
- WABCO Air Braking with ABS: Dual-line pneumatic compressed air braking system equipped with WABCO ABS delivers short stopping distances, rapid pressure response, and anti-skid protection under maximum gross vehicle weights.
- Extra-Heavy Multi-Leaf Spring Packs: 10 to 14-leaf mechanical spring packs (up to 16mm thick) with heavy rocker arms absorb severe shocks on rough, unpaved mining and industrial site access roads.
Commercial & Logistics Terms
- Shipping & Delivery: Transported via Ro-Ro vessel, Bulk Cargo vessel, or stacked in SKD format to optimize international shipping costs.
- Warranty Coverage: 3-Year structural guarantee on the main chassis frame; 1-Year warranty covering axles, landing gear, and braking components.
- Payment Terms: 30% T/T deposit, 70% balance paid prior to dispatch; irrevocable L/C at sight accepted.
