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A winch reducer, also known as a winch gearbox, is designed to reduce input speed and increase output torque for controlled lifting, pulling and lowering operations. It is commonly used in hydraulic winches and other heavy-duty equipment where reliable torque transmission and controlled movement are required.
Kemer supplies planetary winch reducer solutions for industrial equipment and OEM applications. The gearbox can be configured according to the required torque, gear ratio, hydraulic motor interface and mounting requirements.
The planetary transmission design provides high torque output in a compact package, making the reducer suitable for demanding lifting and pulling equipment.
Different reduction ratios are available to match the required drum speed, motor displacement and operating conditions of the winch system.
The planetary configuration combines torque capacity and compact dimensions, helping simplify gearbox integration where installation space is limited.
The winch reducer can be matched with specified hydraulic motor configurations according to the required drive system and installation interface.
Kemer can provide gearbox configurations according to OEM requirements, including transmission ratio, motor connection, mounting interface and application-specific installation conditions.
The following technical data applies to the GFT9W2 winch reducer configuration. Please contact Kemer for detailed dimensional drawings and configuration confirmation before ordering.

| Model | Max. Output Torque (Nm) | Reduction Ratio | Hydraulic Motor | Max. Input Speed (r/min) | Max. Braking Torque (Nm) | Brake Pressure (MPa) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| GFT9W2 | 6,300 | 20 / 26 / 30 / 36 / 45 | A2F45 / A2F55 / A2F63 A1VOE45 K45 | 3,500 | 250 | 1.8–5 | 49 |
The winch reducer can be integrated into hydraulic winch systems used for lifting, pulling and material handling. Typical applications include construction machinery, marine equipment, industrial lifting systems and other heavy-duty machinery.
Hydraulic winches
Construction machinery
Marine and offshore equipment
Heavy-duty lifting equipment
Industrial pulling systems
Kemer provides OEM gearbox configuration for customers who require a winch reducer matched to a specific hydraulic motor, drum, mounting structure or operating condition.
Customization can be discussed according to:
Required output torque
Reduction ratio
Hydraulic motor configuration
Mounting and installation interface
Brake requirements
Application and operating conditions
Payment: 30% deposit and 70% before shipment. Payment terms can be negotiated, generally by T/T.
Delivery: Approximately 20–25 days after receipt of payment.
Service: Online technical support and overseas technical service are available.

Kemer is a manufacturer of hydraulic transmission components and related machinery solutions.
Yes. Kemer can provide OEM and customized gearbox configurations according to the required torque, gear ratio, hydraulic motor interface, mounting requirements and application conditions.
The listed GFT9W2 configuration supports specified hydraulic motor options including A2F45, A2F55 and A2F63. Motor compatibility should be confirmed according to the final gearbox configuration and application requirements.
Kemer provides a one-year after-sales warranty according to the applicable product and sales terms.
The minimum order quantity is 1 set.
The selection should consider required output torque, reduction ratio, input speed, hydraulic motor configuration, braking requirements, mounting interface and the actual working conditions of the winch system. Contact Kemer with your application requirements for configuration confirmation.
Request a Winch Reducer Configuration
Send us your required torque, gear ratio, hydraulic motor model and installation requirements. Our engineering team can review the application and recommend a suitable winch gearbox configuration.