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Help CenterSlewing Drive 20 Ton Load Capacity IP65 Waterproof Custom Gearbox for Construction Machinery
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Welcome to Henan San Kuang Machinery Technology Co., Ltd. – your trusted partner for high-performance slewing drives. Our 20-ton load capacity slewing drive is engineered specifically for demanding construction machinery applications, offering IP65 waterproof protection and full custom gearbox options. With over a decade of manufacturing experience and a factory spanning 10,000–30,000 square meters, we deliver robust, reliable solutions that keep your equipment operating in the toughest environments. This product combines superior load-bearing capability with sealed protection against dust and water, ensuring extended service life and minimal maintenance.
Key Features & Technical Specifications
20-Ton Rated Load Capacity: Handles heavy static and dynamic loads typical of cranes, excavators, and aerial work platforms.
IP65 Waterproof & Dustproof Rating: Fully sealed housing prevents ingress of water jets and dust, ideal for outdoor or wet construction sites.
Customizable Gearbox Design: Output speed, torque, mounting flange, and input interface can be tailored to your specific machinery requirements.
High-Strength Alloy Steel Gears: Heat-treated and precision-ground for quiet operation, low backlash, and long fatigue life.
Integrated Slewing Bearing: Built-in crossed roller or ball bearing supports both axial and radial loads, simplifying assembly.
Corrosion-Resistant Coating: Optional epoxy or zinc-rich primer for saltwater or chemical exposure environments.
Wide Operating Temperature Range: Standard -20°C to +60°C, with customized range available for extreme climates.
Multiple Input Options: Can be driven by hydraulic motor, electric motor, or manual gear – flexible for OEM designs.
Detailed Technical Parameters (Typical Values, Customizable)
| Parameter | Standard Value | Custom Range |
| Rated load capacity (static) | 20 tons | 10–50 tons |
| Tilting moment | 120 kN·m | 60–300 kN·m |
| Output speed (max) | 2 rpm | 0.5–5 rpm |
| Reduction ratio | 62:1 | 20:1 – 200:1 |
| Backlash | ≤ 0.15° | ≤ 0.05° (precision grade) |
| Protection class | IP65 | IP66 / IP67 optional |
| Weight (approx.) | 180 kg | 100–350 kg |
| Mounting dimensions | Standard flange | By drawing |
Advantages for Your Business
Reduced Downtime: IP65 sealing protects internal gears from water, dust, and debris – even during high-pressure washing.
Simplified Integration: Pre-assembled slewing bearing and gearbox in one compact unit saves design and assembly time.
Cost-Effective Customization: We offer flexible engineering services to modify ratio, torque, and interfaces without long lead times.
Proven in the Field: Thousands of units deployed in excavators, truck cranes, and wind turbines worldwide.
Global Logistics: Shipped from multiple ports (Shanghai, Qingdao, etc.) with prompt delivery to North America, Europe, Southeast Asia, and more.
Company Strength & Trust
Henan San Kuang Machinery Technology Co., Ltd. has been a reliable manufacturer since 2014, with a factory size of 10,000–30,000 m² and an annual export value of US$2.5–5 million. Our team of 51–100 skilled employees is dedicated to quality and innovation. We hold multiple certifications including ISO9001, ISO14001, OHSAS18001, SA8000, and more, ensuring every slewing drive meets rigorous international standards. Our products are shipped to over 15 markets globally – from Eastern Europe to Oceania – with consistent positive feedback.
Take the next step – contact us today for a quotation or custom design request. Let our engineering team help you select or modify the perfect slewing drive for your construction machinery. Your satisfaction is our priority!
Frequently Asked Questions
Q: Can this slewing drive be used for a 20-ton excavator?
A: Yes, the 20-ton load capacity is suitable for many medium excavators. However, we recommend confirming the tilting moment and duty cycle with our engineers for a perfect match.Q: Is the IP65 rating sufficient for underwater use?
A: IP65 is water-jet resistant but not meant for prolonged submersion. For occasional underwater operation, we can upgrade to IP67 or IP68 upon request.Q: What is the typical lead time for a custom gearbox?
A: Standard custom orders take 15–30 working days, depending on complexity. Rush orders are available with prior arrangement.Q: Do you provide mounting flanges or adapters?
A: We can supply custom mounting flanges based on your machine’s interface drawing. Please share your specifications.Q: What lubrication do you recommend?
A: We pre-fill the gearbox with EP grease suitable for -20°C to +60°C. Alternative lubricants (synthetic, high-temp) can be specified.Q: How do I verify the product quality?
A: Each unit undergoes strict testing for load, backlash, and sealing. We can provide inspection reports or arrange third-party certification.Q: Can I get a sample first?
A: Yes, we offer samples for evaluation. Sample cost is negotiable, and it will be deducted from a bulk order.Q: What are the payment terms?
A: Typically T/T or L/C. For new customers, 30% deposit and 70% before shipment. Discuss with our sales team for flexible options.
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