K81 Polyurethane On Cast Iron Caster (Over 10000 LBs. Capacity)

Product Description:

The K81 series twin wheel caster is made of drop forged steel and produced by machining for extra super heavy-duty applications under severe conditions. The dual-wheel design provides not only the advantage of high load capacity but also rotational flexibility.

Use a Kingpinless design; the raceway is precision-machined and heat-treated. Good effect of impact resistance, can continue the vibration and impact load. Rotates flexibly, moves smoothly, suitable for power traction.

Five Core Advantages of Extra Heavy Duty Dual Wheel Caster:

Stable Dual-Wheel Parallel Structure:

The dual-wheel design increases the ground contact area by double, which not only improves the load capacity but also provides a lot of anti-tip stability through the equipment's movement. Under the same load, the dual wheels have less rotational friction than the single wheels, so the steering is easier.

Kingpinless Core Technology:

Giving up the central bolt in the traditional way, the rotating face is directly machined on the forged steel base plate.

Dual wheel casters heavy duty can bring almost perfect structural life when facing continuous vibration, high-frequency steering, and severe impact.

14mm Integral Forged Base Plate:

Made of a strong drop forged steel, the top layer reaches 14mm, and the raceway is heat-treated and quenched, which guarantees a smooth rotation performance even at 3.5 tons of extreme pressure.

Dedicated Solution for Power Traction:

The heavy-duty double wheel caster is mainly for the AGV automated traction and forklift trailers, which is very rigid in the structure of the bracket, able to withstand great pulling power at the moment of traction, preventing tail swing and structural deformation.

Top-Tier Wheel Materials:

Equipped with PX-level high-strength polyurethane cast-iron wheel cores, the dual-wheel width reaches 63mm×2, giving it the capabilities of excellent shock absorption and ground protection, as well as very high dynamic driving efficiency.

Heavy Duty Double Wheel Caster Specifications:

K81 Mounting Plate Specifications:

Plate Thickness: 14mm (High-hardness forged steel).

Outer Dimensions: 159 × 190mm.

Hole Spacing: 104 × 152mm to 114 × 155mm (Elongated hole design for wide compatibility).

Suitable Bolts: Ø15mm.

Optional Brake Types:

Application Areas:

Aerospace and defense equipment. automotive manufacturing industry, wind power, and renewable energy equipment. shipbuilding and marine equipment. large molds, tooling, and die handling. heavy tooling and fixture transport

About Us:

Since the time KoCo launched its brand in 1999, it has put "precision manufacturing" deeply into corporate DNA. After steady development for more than 20 years, KoCo has established a comprehensive quality control and R&D system in a 50,000 square meter production base. We are not only a manufacturer of casters but also the quality guardian of the 20 million casters produced annually. With the help of more than 200 professional employees, every caster, from design draft to finished product, undergoes rigorous ‍‌verification.

Warranty:

KoCo grants a one-year quality warranty on all its caster products. If a material defect or manufacturing error causes a product to fail within 12 months of delivery, the KoCo quality inspection center will investigate and, upon confirmation, provide a free replacement. It should be noted that the warranty is void for any damage resulting from unauthorized modifications, overloading beyond the specifications, or neglect of proper maintenance. Our liability is restricted to the free replacement of the defective parts only and excludes any costs for logistics, labor, or installation of such parts. KoCo does not issue any implied warranties for certain commercial purposes and limits itself to replacement responsibility as described in this document only.

Partners:

As a factory-based supplier with a global mindset, KoCo has been one of the major sources of production line mobile parts to famous automotive brands like Tesla, BMW, Mercedes-Benz, FAW, and SAIC. In the new energy field, we are in close cooperation with CATL for logistics support. Also, KoCo's caster products are extensively used in the intelligent logistics systems of SF Express and JD. For projects with extremely stringent quality requirements, e.g., those of Haier home appliances and COMAC aircraft, through its consistent delivery and customization capabilities, KoCo has gained the trust and purchase orders from the industry's heavyweights for the long ‍‌term.

KOCO Performance Testing：

KOCO has a professional R&D laboratory, and the test reports shown are just one example of our typical cases, providing you with a quality reference. We possess strong professional testing capabilities and can provide targeted performance verification and simulation experiments based on your specific load, road conditions, and industry standards.

Test video: 

Test report: