Product Description
Product Description
CHINAMFG planetary reducer gearbox is designed with large torque, high start and transmission efficiency, low-speed stability,compact radial size, low noise, etc. The main devices we are making are walking reducers, lifting reducers and swing reducers.
They are widely used for vehicle cranes, crawler cranes, truck mounted cranes, marine cranes, aerial work trucks, excavators, etc.
1)Compact size
2)Low noise
3)High transmission efficiency
4)Good working condition under lower speed
5)Customized hydraulic motors
and brakes for different request
6)One Year Warranty from reception 7)Free components for replacement within warranty period
8)Professional and tailored solution for different requirements
9)Free technical support at any time
10)Customer training isavailable.
Product Parameters
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Slewing Reducer
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Model
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DH12B20E
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DH17B32E
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DH18B39S
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DH25B32S
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Max. output torque
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12000 Nm
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16500 Nm
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17500 Nm
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25000 Nm
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Ratio
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20.9
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31.36
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38.82
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31.36
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Weight (no motor, oil, drum)
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125 kgs
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165 kgs
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225 kgs
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240 kgs
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Modules of output gear; Modification Coefficient
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m=8,10,12,14mm; x=0.5
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m=8,10,12,14mm; x=0.5
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m=8,10,12,14mm; x=0.5
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m=12,14,16mm; x=0.5
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Model
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DH29B40S
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DH29B60S
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DH38B100S
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DH50B120S
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Max. output torque
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28500 Nm
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29000 Nm
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38000 Nm
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48500 Nm
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Ratio
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39.43
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60.13
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100.75
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120.83
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Weight (no motor, oil, drum)
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210-260 kgs
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250 kgs
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315 kgs
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380-425 kgs
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Modules of output gear; Modification Coefficient
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m=12,14,16mm; x=0.5
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m=12,14,16mm; x=0.5
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m=12,14,16mm; x=0.5
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m=16 or 18mm; x=0.5
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Hydraulic motor
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Motor interface structure can be designed with customer requirement
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Remark
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1. The input steering direction is opposite to the output. 2. For more ratio requirements, please consult us.
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Packaging & Shipping
1. Packed by wooden box, fumigation-free for export and import standard.
2. Shipped by sea or air with customer require
Company Profile
FAQ
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Electric Cars, Machinery, Marine, Car, Lift Equipment |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Step: | Four-Step |
| Ratio: | Customized |
| Customization: |
Available
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What are the signs that indicate a need for winch drive replacement or maintenance, and how can they be diagnosed?
Winch drives, like any mechanical component, require regular maintenance and may eventually need replacement. Here’s a detailed explanation of the signs that indicate a need for winch drive replacement or maintenance and how they can be diagnosed:
- Unusual Noises:
If you notice unusual noises such as grinding, squealing, or rattling coming from the winch drive, it may indicate a problem that requires maintenance. These noises can be caused by worn-out gears, misaligned components, or damaged bearings. Diagnosing the issue involves inspecting the winch drive for any visible signs of damage or wear, and listening carefully to identify the source of the noise. Professional technicians can perform a thorough examination, including disassembling the winch drive if necessary, to identify the specific cause and determine if repair or replacement is needed.
- Excessive Vibration:
If the winch drive exhibits excessive vibration during operation, it may be a sign of misalignment, loose connections, or worn-out components. Excessive vibration can lead to accelerated wear and potential damage to the system. To diagnose the issue, visual inspection should be conducted to check for loose bolts, misaligned shafts, or damaged mounting brackets. Additionally, measuring and analyzing the vibration levels using specialized equipment can provide valuable insights into the severity of the problem. Based on the findings, appropriate maintenance actions can be taken, such as realigning components or replacing worn-out parts.
- Reduced Performance:
If the winch drive exhibits reduced performance, such as slower operation, decreased pulling force, or inconsistent speed control, it may indicate the need for maintenance or replacement. Reduced performance can be caused by various factors, including worn-out gears, insufficient lubrication, motor issues, or electrical problems. Diagnosing the cause involves conducting performance tests to measure parameters such as speed, torque, and load capacity. Additionally, a comprehensive inspection of the winch drive’s components, including motors, gearboxes, and control systems, can help identify any underlying issues affecting performance. Based on the findings, appropriate maintenance or replacement measures can be taken to restore optimal performance.
- Fluid Leaks:
Fluid leaks, such as oil or hydraulic fluid, around the winch drive are clear signs of a potential problem. Fluid leaks can indicate damaged seals, gaskets, or hoses, which can lead to loss of lubrication or compromised hydraulic systems. Diagnosing fluid leaks involves visually inspecting the winch drive for any signs of leakage, including oil stains, puddles, or wetness around the components. Identifying the source of the leak is crucial to determine the appropriate maintenance or replacement actions required, such as replacing seals or repairing hydraulic lines.
- Overheating:
If the winch drive becomes excessively hot during operation, it may indicate a need for maintenance or replacement. Overheating can be caused by factors such as inadequate ventilation, overloading, or motor issues. Diagnosing overheating involves monitoring the temperature of the winch drive during operation, using infrared thermometers or temperature sensors. Additionally, inspecting the cooling mechanisms, such as fans or heat sinks, and checking for any obstructions or malfunctions can provide insights into the cause of overheating. Depending on the severity of the issue, actions such as cleaning, adjusting ventilation, or replacing overheating components may be necessary.
In summary, signs that indicate a need for winch drive replacement or maintenance include unusual noises, excessive vibration, reduced performance, fluid leaks, and overheating. Diagnosing these signs involves visual inspection, performance testing, monitoring, and analysis to identify the specific cause. Engaging professional technicians or maintenance personnel who are familiar with winch drives can help ensure accurate diagnosis and appropriate maintenance or replacement actions to address the identified issues.

What safety considerations should be taken into account when using winch drives?
Using winch drives involves certain safety considerations to ensure the well-being of operators, prevent accidents, and protect the equipment and the load being lifted. Here’s a detailed explanation of the safety considerations that should be taken into account when using winch drives:
- Operator Training:
Proper training is essential for operators who will be using winch drives. They should receive comprehensive training on the safe operation of winch drives, including understanding the controls, procedures, safety features, and potential hazards. Training should cover load calculations, safe working loads, and the importance of following safety guidelines and manufacturer’s instructions.
- Equipment Inspection:
Prior to each use, winch drives should be thoroughly inspected to ensure they are in proper working condition. This includes checking for any signs of damage, wear, or corrosion. The cables or ropes should be inspected for fraying, kinks, or other defects. Any damaged or malfunctioning components should be repaired or replaced before operating the winch drive.
- Load Capacity:
It is crucial to adhere to the specified load capacity of the winch drive. Exceeding the maximum load capacity can lead to equipment failure, accidents, and injuries. Operators should accurately determine the weight of the load to be lifted and ensure it falls within the winch drive’s rated capacity. If the load exceeds the capacity, alternative lifting methods or equipment should be used.
- Secure Anchoring:
Winch drives should be securely anchored to a stable and appropriate mounting point. This ensures that the winch drive remains stable during operation and prevents unintended movement. The anchoring point should be capable of withstanding the forces generated during lifting or pulling operations. Proper anchoring minimizes the risk of equipment tipping over or shifting unexpectedly.
- Personal Protective Equipment (PPE):
Operators should wear appropriate personal protective equipment (PPE) when using winch drives. This may include safety helmets, gloves, eye protection, and high-visibility clothing. PPE helps protect operators from potential hazards such as falling objects, flying debris, or contact with moving parts. The specific PPE requirements should be determined based on the nature of the lifting operation and any applicable safety regulations.
- Safe Operating Distance:
Operators and other personnel should maintain a safe distance from the winch drive during operation. This prevents accidental contact with moving parts or the load being lifted. Clear warning signs or barriers should be used to define the restricted area around the winch drive. Operators should never place themselves or others in the potential path of the load or in a position where they could be struck by the load in case of a failure or slippage.
- Emergency Stop and Controls:
Winch drives should be equipped with emergency stop mechanisms or controls that allow operators to quickly halt the operation in case of an emergency. All operators should be familiar with the location and operation of the emergency stop controls. Regular testing and maintenance of these controls are essential to ensure their effectiveness in emergency situations.
- Proper Rigging and Rigging Techniques:
Correct rigging techniques should be followed when attaching the load to the winch drive. This includes using appropriate slings, hooks, or attachments and ensuring they are properly secured. Improper rigging can lead to load instability, shifting, or falling, posing a significant safety risk. Operators should be trained in proper rigging techniques and inspect the rigging components for wear or damage before each use.
- Regular Maintenance:
Winch drives should undergo regular maintenance as recommended by the manufacturer. This includes lubrication, inspection of cables or ropes, checking for loose bolts or connections, and verifying the functionality of safety features. Regular maintenance helps identify and address potential issues before they lead to equipment failure or accidents.
By considering these safety measures, operators can ensure the safe and effective use of winch drives, minimizing the risk of accidents, injuries, or equipment damage. It is crucial to prioritize safety at all times and to comply with applicable safety regulations and guidelines.

What are the advantages of using a winch drive in comparison to other lifting mechanisms?
Using a winch drive as a lifting mechanism offers several advantages over other lifting mechanisms. The unique characteristics and capabilities of winch drives make them a preferred choice in various applications. Here’s a detailed explanation of the advantages of using a winch drive in comparison to other lifting mechanisms:
- Versatility:
Winch drives offer versatility in terms of their application and adaptability to different industries. They can be utilized in a wide range of scenarios, including off-road recovery, marine operations, construction sites, and recreational activities. Winch drives can handle various load sizes and weights, making them suitable for both light and heavy lifting tasks. The ability to use winch drives in diverse environments and industries makes them a flexible and versatile choice for lifting and pulling operations.
- Control and Precision:
Winch drives provide precise control over the lifting and pulling operation. The gearing system allows operators to adjust the speed and direction of the winch drive, enabling accurate positioning and controlled movement of the load. This level of control is particularly beneficial in applications where precise load placement or delicate handling is required. Winch drives allow for fine adjustments and smooth operation, resulting in improved precision and reduced risk of damage to the load or surrounding structures.
- Pulling Power:
Winch drives are designed to generate significant pulling power, allowing them to handle heavy loads effectively. The power source, whether it’s an electric motor or hydraulic system, provides the necessary energy to generate substantial pulling force. This makes winch drives suitable for tasks that involve moving or lifting heavy objects, such as in construction, industrial settings, or vehicle recovery. The pulling power of winch drives gives them an advantage over other lifting mechanisms that may have limited capacity or require additional equipment for handling heavier loads.
- Compactness and Portability:
Winch drives are generally compact and portable, which enhances their usability in various settings. They can be easily mounted on vehicles, equipment, or structures, offering mobility and convenience. Compact winch drives are particularly useful in off-road vehicles, where space may be limited. The portability of winch drives allows for flexibility in different applications and enables their use in remote or challenging locations where other lifting mechanisms may not be easily accessible.
- Safety:
Winch drives are designed with safety features to ensure secure and controlled lifting operations. These features may include overload protection, emergency stop mechanisms, and limit switches. The braking system in winch drives provides reliable load holding, preventing unintentional load release. Additionally, winch drives can be equipped with remote control systems, allowing operators to maintain a safe distance during operation. The safety features and control mechanisms of winch drives contribute to enhanced safety and minimize the risk of accidents or injuries.
These advantages make winch drives a preferred choice over other lifting mechanisms in many applications. The versatility, control, pulling power, compactness, portability, and safety features of winch drives provide distinct benefits that cater to the specific requirements of lifting and pulling operations in various industries and scenarios.


editor by CX 2024-03-24
China Hot selling China OEM Manufacturer of Wrecker Slew Drive Worm Speed Reducer Hydraulic Planetary Gear Reducers for Trucks and Cranes
Product Description
Company Profile
We CHINAMFG is a OEM factory, accpet customerized. Most of our products are customerzation.The product include gear housing/boxes/reducers, Iron casting products, Aluminum products. Such as auto parts, agriculture parts, and other industrial parts.
We have the most advanced testing facilities, such as spectral analyzer for rubber material chemical composition test, tensile strength testing machine, impact value tester and hardness meter, magnetic particle testing machine, sandblasting machine and heat treatment equipment. Besides, there are numerous advanced equipment in the precision machining workshop: have 23 sets CNC lathes, 10sets vertical CNC boring and milling center and 1 horizontal boring and milling center imported from Korea, 2 general milling machine, and 2 general lathes, 1 grinder, 10sets drilling and tap machines, 2 half automatic saw, and 1 Coordinate Measuring Machine (CMM), 1 Projector and 1 machining surface quality testing machine and 1 Mahr altitude instrument. Our product’s tolerance can be controlled under 0.01mm. The testing machine’s accuracy is within 0.005mm. ISO9000 has been executed.
Product Parameters
| Maximum torque: | 20,000NM |
| Maximum output speed: | <1200rpm |
| Maximum input speed: | <2500rpm |
| Ratio: | 3:1 up to 4:1 |
| Output type: | square shaft hex shaft flange |
Our Advantages
1. 20 years of experience in manufacturing and exporting
2. OEM and custom-made service
3. All kinds of castings can be manufactured according to the drawings, samples or specific industry standard
4. Strong engineering team makes high quatliy
5. The coordinated service(casting, machining and surface treatment) make lower price if possible
6. Advanced-level equipments
7. Full material testing process and quatliy control system
8. Quality assurance and delivery on time
About CHINAMFG Industrial
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
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| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Samples: |
US$ 4000/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you explain the impact of winch drives on the overall efficiency of lifting systems?
The efficiency of lifting systems is significantly influenced by the choice and performance of winch drives. Winch drives play a crucial role in converting power into mechanical work to lift or move heavy loads. Here’s a detailed explanation of the impact of winch drives on the overall efficiency of lifting systems:
- Power Transmission:
Winch drives are responsible for transmitting power from the energy source to the lifting mechanism. The efficiency of power transmission directly affects the overall efficiency of the lifting system. Well-designed winch drives minimize power losses due to friction, heat generation, or mechanical inefficiencies. By optimizing the gear system, bearings, and other mechanical components, winch drives can maximize power transmission efficiency and minimize energy waste.
- Mechanical Advantage:
Winch drives provide a mechanical advantage that allows the lifting system to handle heavier loads with less effort. The mechanical advantage is determined by the gear ratio and drum diameter of the winch drive. By selecting an appropriate gear ratio, the winch drive can multiply the input torque, enabling the lifting system to overcome the resistance of the load more efficiently. A higher mechanical advantage reduces the strain on the power source and improves the overall efficiency of the lifting system.
- Speed Control:
Winch drives offer speed control capabilities, allowing operators to adjust the lifting speed according to the specific requirements of the task. The ability to control the lifting speed is essential for efficient and safe operation. By utilizing winch drives with precise speed control mechanisms, the lifting system can optimize the speed to match the load, reducing unnecessary energy consumption and increasing overall efficiency.
- Load Distribution:
Winch drives play a vital role in distributing the load evenly across the lifting system. Uneven load distribution can lead to excessive stress on certain components, reducing the overall efficiency and potentially causing equipment failure. Well-designed winch drives ensure that the load is distributed evenly, minimizing stress concentrations and maximizing the efficiency of the lifting system.
- Control and Safety Features:
Winch drives incorporate control and safety features that contribute to the overall efficiency of the lifting system. Advanced control systems allow for precise positioning and smooth operation, minimizing unnecessary movements and reducing energy consumption. Safety features, such as overload protection or emergency stop mechanisms, help prevent accidents and equipment damage, ensuring uninterrupted and efficient operation of the lifting system.
- Reliability and Maintenance:
The reliability and maintenance requirements of winch drives directly impact the overall efficiency of lifting systems. Well-designed winch drives with robust construction and quality components minimize the risk of breakdowns or unplanned downtime. Additionally, winch drives that are easy to maintain and service reduce the time and resources required for maintenance, maximizing the uptime and efficiency of the lifting system.
In summary, the choice and performance of winch drives have a significant impact on the overall efficiency of lifting systems. By optimizing power transmission, providing a mechanical advantage, offering speed control, ensuring load distribution, incorporating control and safety features, and prioritizing reliability and maintenance, winch drives can enhance the efficiency, productivity, and safety of lifting operations.

Can you provide examples of products or machinery that commonly use winch drives?
Winch drives are widely used in various industries and applications where lifting, pulling, or positioning heavy loads is required. They offer a versatile and efficient solution for numerous tasks. Here are some examples of products or machinery that commonly use winch drives:
- Cranes:
Winch drives are an integral part of cranes used in construction, manufacturing, and shipping industries. They enable the lifting and lowering of loads, as well as the movement of crane booms and jibs. Cranes such as mobile cranes, tower cranes, and overhead cranes rely on winch drives for their lifting capabilities.
- Elevators and Lifts:
Winch drives are used in elevators and lifts to vertically transport people or goods between different levels of buildings or structures. They provide the necessary lifting force for the elevator car or lift platform, allowing smooth and controlled vertical movement.
- Marine Equipment:
Winch drives are commonly found in various marine equipment and vessels. They are used in shipboard cranes, davits, anchor handling winches, mooring winches, and fishing equipment. Winch drives play a crucial role in the handling of heavy equipment, cargo, and anchoring operations in marine environments.
- Offshore and Oil Rig Applications:
In offshore and oil rig applications, winch drives are utilized for various tasks. They are used in winches for launching and recovering subsea equipment, handling pipes and cables, and positioning heavy loads on offshore platforms. Winch drives are also employed in drilling equipment for operations such as raising and lowering the drilling string.
- Material Handling Equipment:
A wide range of material handling equipment relies on winch drives for lifting and pulling operations. This includes hoists, winch trucks, forklifts, conveyor systems, and overhead cranes used in warehouses, manufacturing facilities, and construction sites. Winch drives enable efficient and controlled movement of heavy materials and equipment.
- Entertainment Industry:
The entertainment industry extensively uses winch drives for stage rigging, theatrical productions, and concert setups. Winch drives are employed to move and control stage elements, lighting fixtures, sound equipment, and special effects. They allow for dynamic and precise positioning of equipment during performances.
- Automotive Recovery and Towing:
Winch drives are commonly used in recovery and towing equipment for vehicles. They are mounted on trucks or trailers and provide the pulling force necessary to recover stuck or immobilized vehicles. Winch drives are also utilized in off-road vehicles and ATV (All-Terrain Vehicle) winches for self-recovery or assisting others.
- Agricultural Machinery:
In the agricultural sector, winch drives are employed in various machinery such as agricultural sprayers, irrigation systems, and harvesting equipment. They facilitate the movement and positioning of equipment, as well as the lifting and lowering of heavy loads, enhancing efficiency in farming operations.
These examples illustrate the wide-ranging applications of winch drives across different industries. Their versatility and adaptability make them essential components in various products and machinery that involve lifting, pulling, or positioning heavy loads.

In what industries or scenarios are winch drives commonly employed?
Winch drives find extensive utilization in various industries and scenarios that require controlled pulling or lifting capabilities. Their versatility and reliability make them valuable tools in a wide range of applications. Here’s a detailed explanation of the industries and scenarios where winch drives are commonly employed:
- Off-Road and Automotive:
Winch drives are widely utilized in off-road vehicles, such as trucks, SUVs, and ATVs, for recovery purposes. They are essential in scenarios where vehicles get stuck or need to be pulled out of challenging terrain. Winch drives mounted on the front or rear bumpers of off-road vehicles provide the necessary pulling power to extricate vehicles from mud, sand, or other obstacles. In the automotive industry, winch drives are also employed in car haulers and trailers for loading and unloading vehicles, as well as in automotive repair and maintenance for tasks like engine removal and frame straightening.
- Marine and Boating:
Winch drives play a crucial role in the marine and boating industry. They are commonly used for anchoring, mooring, and handling heavy loads. Sailboats and powerboats utilize winches to control the sails, raise and lower the anchor, and assist in docking. Larger vessels and ships employ winch drives for cargo handling, launching and recovering small boats or life rafts, and handling equipment on deck. Winch drives in the marine industry offer precise and controlled pulling or lifting capabilities in demanding maritime environments.
- Construction and Industrial:
The construction and industrial sectors heavily rely on winch drives for various tasks requiring the movement of heavy materials and equipment. Winches are commonly used in cranes, hoists, and lifting systems for raising and lowering loads, positioning materials, and erecting structures. They are also found in material handling equipment, such as forklifts and telehandlers, to assist in loading and unloading operations. Winch drives are invaluable in construction sites for activities like tensioning cables, pulling machinery, and operating temporary lifts. Their robustness and reliability make them indispensable tools in the construction and industrial industries.
- Recreational and Adventure:
Winch drives are utilized in various recreational and adventure scenarios to provide controlled movement and enhance safety. In amusement parks and adventure facilities, winches are often used in zip line systems, enabling participants to traverse from one point to another safely. They are also employed in aerial lifts and chairlifts for ski resorts and mountainous areas. Winch drives provide the necessary pulling power and controlled speed, ensuring the safety and enjoyment of individuals engaging in recreational activities. Additionally, winches are utilized in stage productions and theatrical settings to create dynamic effects, such as flying performers or moving set pieces.
- Oil and Gas:
In the oil and gas industry, winch drives are commonly employed in various operations. They are used for tasks such as wireline operations, well intervention, and the handling of heavy equipment. Winch drives assist in lowering and raising tools and instruments into wellbores, as well as in the deployment and retrieval of subsea equipment and structures. They provide the necessary pulling power and control to perform critical operations in the oil and gas exploration and production processes.
These are just a few examples of the industries and scenarios where winch drives are commonly employed. Their versatility, strength, and controllability make them valuable tools in numerous applications, ranging from off-road and automotive to marine and boating, construction and industrial, recreational and adventure, and oil and gas industries.


editor by CX 2024-02-27