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Introduction
In commercial, utility, and adventurous contexts, a vehicle step must be more than a convenience—it must be a dependable tool. High Load Capacity Steps are built to this standard, offering a robust platform that users can trust in demanding situations.
Bohai Auto Technology: Engineering for Demanding Applications
Our company's investment in advanced production and testing equipment is particularly relevant for this product category. The intelligent CNC machining centers allow us to work with thicker metal stocks and create complex reinforcing geometries. Our full performance testing center includes hydraulic load testers and fatigue testing machines, which are essential for validating the durability claims of high-capacity steps.
We apply principles from commercial vehicle component design, focusing on weld integrity, bolt torque specifications, and material certifications. This rigorous approach ensures that when we specify a load rating, it is backed by empirical data from our in-house testing, not just theoretical calculations.
This capability allows us to serve niche markets—from utility companies to expedition outfitters—that require accessories with proven mechanical strength.
Primary Applications
- Commercial & Fleet Vehicles: Pickup trucks (Ford F-150, Toyota Hilux), full-size vans, and utility SUVs used by tradespeople, where the step is used to access toolboxes or roof racks carrying ladders and equipment.
- Off-Road & Overlanding Vehicles: Modified 4x4s (Jeep Wrangler, Land Cruiser, Ford Bronco) where the step may be subjected to impacts, used as a jacking point, or stood upon to set up roof-top tents.
- Agricultural & Industrial Machinery Support Vehicles: Vehicles operating on farms or worksites where muddy boots and heavy loads are common.
Secondary Applications
- Emergency Service Vehicles: Police SUVs, ambulance support vehicles, or fire department quick-response trucks where rapid, stable access is crucial.
- Vehicle-Mounted Equipment Access: Serving as a stable step to access communication antennas, light bars, or winches mounted on bull bars.
- Recreational Vehicles (RVs) & Campervans: For accessing high-entry doors or external storage compartments on converted vans or small RVs.
Specification Table
| Product Type | Fixed Heavy-Duty Steps & High-Capacity Electric Steps |
| Static Load Rating (Per Step) | Standard: ≥ 300 kg (660 lbs); Heavy-Duty: ≥ 500 kg (1100 lbs) |
| Dynamic Load Rating | Withstands repeated loading/unloading of 150kg person |
| Primary Structure Material | Main Rails: 3mm+ Thick Steel (Q345B); Step Plate: 4mm+ Aluminum or Steel |
| Mounting Points | 4-6 per side, directly to vehicle frame or reinforced chassis members |
| Surface Treatment | Hot-Dip Galvanizing or Thick Epoxy Powder Coating (80μm+) |
| Step Surface | Expanded Metal Grip or Deeply Serrated Diamond Plate |
| Electric Version Motor Torque | > 50 Nm (for heavy-duty electric actuation) |
| Corrosion Warranty | 5 Years on Structure (against perforation) |
| Weight Capacity (Per Pair) | Often rated for Gross Vehicle Weight (GVW) considerations |
| Impact Resistance | Designed to withstand minor rock strikes and debris |
- Q: What does "500kg static load" mean? Can two people stand on it?
- A: Static load rating means the step can support that weight when stationary. It is tested by applying the weight evenly across the step. Two average adults (approx. 75kg each) standing together (150kg total) are well within the 500kg limit. The rating includes a significant safety factor.
- Q: Are these steps heavier than standard ones? Will they affect fuel economy?
- A> Yes, due to the thicker materials, they are heavier—potentially 1.5 to 2 times the weight of a standard step. The impact on fuel economy for a passenger vehicle is minimal but measurable. For commercial vehicles, the added utility often outweighs this minor consideration.
- Q: Can I use a high-capacity electric step in deep water or mud?
- A> While the motor/gearbox is sealed (IP67), prolonged submersion in muddy water is not recommended. Mud can pack into the linkage, impeding movement. Fixed steps are generally more suitable for extreme environments where reliability of moving parts is a concern.
- Q: How do I know if my vehicle's frame can handle the load?
- A> Our mounting kits are designed to spread the load over a large area of the vehicle's frame. For most unibody SUVs and body-on-frame trucks, the factory mounting points are engineered to handle significantly more stress than a person's weight. We provide vehicle-specific fitment guides that confirm compatibility.
No.42 Changhe Road, Changxing County, Zhejiang Province, China.
+86-400-6265788