Explore our flagship configurations. Engineered to deliver exceptional torque density and precise positioning in the most demanding operating conditions.
Modern mobile hydraulics demand components that deliver exceptional torque in compact packages. The L30-125 Hydraulic Rotary Actuator is engineered around a helical sliding spline configuration. This system translates the linear motion of an internal piston into a powerful, high-torque rotational output through multi-start helical gears.
Unlike conventional rack-and-pinion designs, the helical spline mechanism distributes operating loads across multiple gear teeth. This structure minimizes point-contact stresses and prevents premature wear in harsh, high-vibration applications. The compact footprint makes the L30-125 an ideal choice for heavy municipal machinery, utility equipment, and steering assemblies where mounting space is limited.
As a leading supplier, WEITAI Hydraulic manufactures these components using advanced heat-treatment protocols and high-tensile alloy steel. This approach ensures long-term fatigue resistance and reliable position-holding capabilities without requiring external braking systems.
From custom OEM designs to high-volume ODM manufacturing, we deliver reliable hydraulic solutions to over 50 countries.
Starting as an OEM supplier of hydraulic cylinders for North American customers, WEITAI has grown into an integrated enterprise encompassing R&D, manufacturing, and global trade. Our ISO-certified facility utilizes high-grade steel, CNC machining centers, and strict testing rigs to produce actuators that meet international standards (CE, RoHS, CSA, UL).
Why mechanical design engineers specify helical sliding spline systems for utility and industrial vehicles.
The sliding helical spline architecture generates exceptional output torque (up to 18,000 Nm or more depending on series sizing) within a narrow cylindrical envelope, allowing integration into tight spaces.
Optimized clearances and high-performance sealing systems ensure zero internal bypass. This configuration keeps the load at the desired angle indefinitely, even when exposed to high dynamic force.
By acting as the primary pivot and supporting structure, our actuator eliminates the need for external bearings, complex linkages, brackets, and cylinder pins, reducing overall bill of materials.
Under extreme structural overload, the internal gearing safely backdrives to relieve stress. This relief mechanism prevents catastrophic mechanical damage to boom arms or structural frames.
We provide multiple installation options, including foot mounts, flange mounts, and custom shaft splines, tailored to match your specific vehicle or machine layout requirements.
The internal splines are completely protected from external contaminants. This sealed design ensures continuous operation in muddy, dusty, or marine environments with minimal maintenance.
How WEITAI combines high-quality engineering standards with cost-efficient production models.
Sourcing your hydraulic components from WEITAI's modern facility in China gives you access to a highly integrated industrial cluster. We maintain relationships with certified alloy steel foundries, ensuring traceablity and consistent material quality for every actuator shaft we forge.
Our engineering team works directly with your mechanical drawings to deliver customized mounting patterns, unique spline profiles, and specific fluid-port threads. This ODM flexibility helps reduce lead times for custom prototyping down to 20-30 days, speeding up your product development cycles.
Additionally, we utilize computerized quality control rigs to perform dynamic load tests, pressure-decay checks, and structural stability audits on every unit prior to export packing.
Helical rotary actuators are used across multiple sectors to provide precise control and high load-bearing capacity.
Commonly integrated into hydraulic excavators, rapid-attach couplers, demolition equipment, and drilling rigs. Actuators provide the high torque required to tilt bucket attachments and maneuver tools under heavy loads.
Used on municipal refuse trucks, street sweepers, and snow plow assemblies. The compact design allows for quick installation on front and side utility arms, providing precise positioning and consistent angle retention.
Critical for platform rotation, basket positioning, and boom extension mechanisms. Zero-leakage holding capabilities ensure operator safety and smooth, predictable movements at height.
Integrated into rock bolting machines, drilling jumbo arms, and conveyor steering systems. The fully sealed housings protect the gearing from aggressive underground dust, abrasive mud, and water splash.
Installed on timber harvesters, tree shears, and steering systems for specialized farm implements. The high bearing capacity supports high cantilever loads during wood-grapple maneuvers.
Used in ship steering systems, crane boom rotators, and port terminal handlers. Sealed configurations and corrosion-resistant finishes help ensure long service lives in high-salinity marine environments.
Ensuring international regulatory compliance for hassle-free import and operational approval.
For B2B procurement managers, compliance is critical. At WEITAI Hydraulic, our production processes follow international standards to align with your regional quality frameworks. Our material suppliers carry recognized certifications including CE, RoHS, CSA, and UL.
We provide full documentation kits for custom-engineered orders, including Certificate of Conformance (CoC), material analysis reports, heat-treatment certifications, and factory test sheets. This thorough documentation helps streamline your quality control and compliance audits during final machine assembly.
Every shipment is packaged in compliance with international export regulations, utilizing treated wood crates and vacuum-sealed rust-preventive bags to protect components during maritime transport.
Innovation highlights reshaping the future of compact mobile hydraulic rotary actuators.
Developing hybrid systems that combine local electric motors and mini-pumps directly onto the actuator housing, eliminating the need for long hydraulic hoses and reducing system weight.
Integrating displacement and pressure sensors inside the actuator to monitor real-time rotation angles, mechanical wear, and seal performance for predictive maintenance.
Researching advanced lightweight high-tensile steels and composite housings to reduce overall vehicle weight while maintaining high structural load capacities.
Key performance metrics of standard helical hydraulic rotary actuator series.
| Model / Series Group | Operating Pressure (bar) | Max Output Torque (Nm) | Standard Rotations (deg) | Mounting Configurations | Typical Applications |
|---|---|---|---|---|---|
| L20 Series | 210 | up to 9,000 | 180° / 360° | Foot Mount / Custom | Utility Vehicles, Cranes |
| L30 Series (L30-125) | 210 | up to 18,000 | 180° / 360° | Flange / Shaft Mount | Construction, Drills, Tilt Attachments |
| WL10 / WL20 Series | 190 - 210 | 300 - 1,600 | 90° / 180° | Foot / Flange Mount | Light Municipal, Agriculture |
| WL30 / WL40 Series | 210 - 240 | 4,700 - 24,000 | 180° | Flange / Foot / Custom Shaft | Heavy Mining, Refuse, Drill Rigs |
Detailed answers to commonly asked questions about technical specifications, ordering processes, and shipping.
Our pricing depends on raw material costs, required customization, batch sizes, and ongoing market factors. Please contact our sales team with your technical specifications and estimated annual volumes to receive an updated quote.
Yes, we require minimum order quantities for international shipments to ensure manufacturing efficiency. If you are looking to purchase smaller quantities or spare parts, please contact us to check current distributor inventory.
Yes, we provide standard export documentation, including Certificates of Analysis/Conformance, insurance records, certificates of origin, and custom declarations for international shipping.
Sample production typically takes around 7 days. For mass production, lead times range between 20 to 30 days after receiving deposit and final drawing approval. We work with clients to coordinate delivery dates with project deadlines.
We accept bank wire transfers (T/T), Western Union, and PayPal. Our standard terms are a 30% deposit in advance, with the remaining 70% balance paid against the copy of the Bill of Lading (B/L).
We provide a one-year comprehensive warranty covering material quality and manufacturing defects. Our team works directly with clients to resolve technical issues or operational questions during the warranty period.
We package all actuators in heavy-duty export boxes with secure bracing. High-value or delicate components are packed with moisture-resistant bags and custom cradles to prevent movement and damage during shipping.
Shipping costs depend on the chosen method and parcel weight. Ocean freight is usually the most economical option for large B2B orders, while air freight or express couriers can be arranged for urgent sample requests.
Browse our full range of heavy-duty actuators, built for durable torque transfer and structural reliability.
Explore more specialized models from our helical hydraulic rotary cylinder line.
Please share your engineering requirements, and our technical design team will contact you within 24 hours to assist with your L30-125 deployment plan.
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