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High Load Capacity Steps (Max 300kg)

-- Steady & Reliable Manufacturer --

Structural Engineering for Enhanced Capacity

These steps are engineered to sustain a certified static load of 300 kg (660 lbs) per side, significantly exceeding standard accessory capacity. This achievement is based on a computational fluid dynamics (CFD) modeled chassis-to-step interface that distributes force across multiple reinforced mounting points.

The critical difference lies in the Increased Material Gauge of the mounting plates and the Dual-Shear Pin configuration in the linkage joints, which minimizes stress concentration. The motor and gear assembly are selected for high stall torque, ensuring the step can operate reliably even with residual load or minor debris accumulation.

Safety and Strength in Vehicle Access

For large SUVs, heavy-duty applications, or multi-occupant use, high load capacity running boards are a necessity, not just an option. These steps are built to provide uncompromising stability and safety, even under maximum stress.

Bohai Auto Technology Co., Ltd. applies the rigor of our full performance testing center to every high load product. By investing in over 30 sets of intelligent automatic CNC machining centers, we ensure that every critical load-bearing component is manufactured to micro-level tolerances, guaranteeing both precise fitment and the structural integrity required to meet and exceed the 300 kg specification.

Key Application Areas

  • Commercial and Fleet Vehicles: SUVs used for commercial purposes (e.g., security, large tour groups, equipment transport) where multiple users or heavy equipment must be handled.
  • Heavy-Duty Vehicle Platforms: Specific compatibility with large SUV models (e.g., Mercedes-Benz GLS, Nissan Patrol) known for their greater overall weight and payload.
  • Severe Climate Regions: In areas where the step may be subjected to extreme icing or heavy mud accumulation, the high-torque motor and reinforced structure provide resilience.
  • Customer Safety Assurance: Appealing to end-users who prioritize the highest margin of safety and component longevity for their family vehicles.

Technical Parameters

Static Load Rating300 kg (660 lbs) Certified
Maximum Torsional Resistance1500 N.m
Motor Torque SpecificationSpecified for high stall-torque and minimal speed degradation under load
Corrosion Resistance Test2000+ hours Salt Spray Test (ASTM B117)
Mounting PointsMinimum 4-point reinforced chassis mounting per side

FAQ: High Load Capacity Step Solutions

  • Q: How does the 300 kg static load capacity compare to standard models?
  • A: Standard electric steps typically offer a certified static load capacity of 200-250 kg. Our 300 kg rating provides a 20-50% increased safety margin, making it suitable for heavier loads or more demanding usage environments.
  • Q: Is the high-load version physically larger or bulkier when retracted?
  • A: While the components (like the mounting arms and step platform) use thicker material, the overall retracted profile is maintained to remain flush with the rocker panel, preserving ground clearance and vehicle aesthetics. The increase in size is primarily internal structure and material density.
  • Q: Does the motor operate slower due to the higher torque requirement?
  • A: The motor is balanced for torque and speed. While optimized for higher torque, the deployment time remains within the standard 1.0 second range, maintaining a rapid and convenient user experience.

Recommended LINS

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Structural Integrity and Endurance

  • Monolithic Brackets: Brackets are laser-cut from single high-strength steel plates and shaped via precision bending, avoiding multi-piece welding that can introduce weak points.
  • Over-Spec Motor Gearing: Utilizes hardened steel gears within the motor assembly, engineered to handle continuous high-stress deployment and retraction cycles without premature wear.
  • Finite Element Analysis (FEA): All mounting and linkage designs are validated through FEA to simulate real-world loading scenarios, ensuring stress is evenly distributed and no component is overstrained.
  • Wider Step Profile: Many high load models feature a marginally wider stepping platform, providing a greater surface area for foot placement and improved weight distribution.

Dedicated Quality Control for High-Capacity Orders

BHTC implements specific Quality Control (QC) protocols for high load products, ensuring every component destined for these steps meets the structural requirements.

  • Non-Destructive Testing (NDT): Critical welded joints on high load brackets undergo periodic NDT, such as magnetic particle inspection, to confirm the integrity of the fusion zone.
  • Batch Load Testing: A specific percentage of each production batch is subjected to a destructive or near-destructive static load test (e.g., 350 kg) in the testing center to continuously validate the design and material consistency.
  • Custom Bracket Design: For unique vehicle platforms or specialized applications (e.g., military/security conversions), we provide full customization of the high-load bracketry, complete with engineering drawings and load certification data.
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Material Choices for Ultimate Strength

To achieve the 300 kg rating, only the highest structural materials are utilized.

about Bohai

R&D and manufacturing of mid-to-high-end SUV electric pedals.

Bohai Automotive Technology (Zhejiang Huzhou) Co., Ltd. was established in 2014. It is a technology-based enterprise specializing in R&D China High Load Capacity Steps (Max 300kg) Manufacturers and Wholesale High Load Capacity Steps (Max 300kg) Suppliers The company is located on the southern bank of the beautiful Taihu Lake in the hinterland of the Yangtze River Golden Triangle-Changxing County, Huzhou City, Zhejiang Province. It is about 150 kilometers away from Shanghai, Hangzhou, Nanjing, Ningbo, Suzhou, Wuxi and other large and medium cities.
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