Your Professional Parallel Shaft Helical Gear Reducers Supplier
Founded in February 2023,Shandong Guode Transmission Equipment Co., Ltd. is a professional manufacturer specializing in transmission equipment and mining machinery solutions. Located in Boshan District, Zibo City, Shandong Province, our factory covers approximately 5,000 square meters and integrates R&D, production, assembly, warehousing, and office operations. Supported by an experienced technical and production team, we operate complete manufacturing lines for gear reducers, gearboxes, transmission cases, and mining machinery components. Our facility is equipped with machining, assembly, and testing equipment to ensure stable product quality and efficient production. With a focus on reliability, standardized manufacturing, and customer-oriented service, we are committed to providing dependable transmission solutions for global industrial customers.
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F Series Parallel Shaft Helical Gear ReducersF Series parallel shaft helical gear reducers are engineered for high torque transmission and compact installation. Featuring a parallel shaft structure and helical gear design, they are widely used
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F Series Parallel Shaft Helical GearmotorsF Series Parallel Shaft Helical Gearmotors combine compact structural design with high torque density, offering efficient power transmission for conveyor systems and industrial machinery. Their
Why choose us
Sales Market
Our products have been exported to over 20 countries and regions; leveraging our extensive experience in international trade and cross-border delivery, we are able to respond rapidly to the diverse needs of different markets.
Professional Technical Team
Our experienced engineering and production team is skilled in transmission equipment manufacturing and committed to providing reliable products and responsive technical support.
Strict Quality Control
All products are inspected according to national and industry standards before delivery, and each shipment is accompanied by inspection reports and related technical documentation.
Customized
We support customized production according to customer drawings, technical specifications, and application requirements, helping clients achieve suitable transmission solutions for different industries.

The F Series Parallel Shaft Helical Gear Reducer is engineered for efficient power transmission and reliable performance in demanding industrial applications. Featuring a compact parallel shaft design, this gear reducer delivers high torque output with smooth and quiet operation. Its wide range of reduction ratios and power ratings makes it suitable for conveyors, material handling systems, mixers, and various process equipment. Designed for durability and long service life, the F Series uses high-quality gearing and synthetic oil lubrication to ensure stable operation, even under continuous duty and harsh working conditions. Flexible mounting options and multiple shaft configurations allow easy integration with motors and existing machinery.
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F(solid shaft output) and FA(hollow shaft output) model and technical data: |
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Model |
Shaft diameter |
Power |
Ratio |
Permit torque |
Weight |
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Solid |
Hollow |
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F37 |
25 mm |
30 mm |
0.12-3 KW |
3.71 – 129.8 |
170 N.m |
15 kg |
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F47 |
30 mm |
35 mm |
0.12-4 KW |
5.01 – 189.2 |
340 N.m |
20 kg |
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F57 |
35 mm |
40 mm |
0.12-5.5 KW |
5.26 – 193.8 |
510 N.m |
38 kg |
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F67 |
40 mm |
40 mm |
0.18-7.5 KW |
3.98 – 174.7 |
705 N.m |
61 kg |
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F77 |
50 mm |
50 mm |
0.75-18.5 KW |
4.34 – 199.4 |
1280 N.m |
100 kg |
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F87 |
60 mm |
60 mm |
0.75-22 KW |
4.06 – 276.6 |
2550 N.m |
165 kg |
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F97 |
70 mm |
70 mm |
0.75-30 KW |
4.7 – 279.9 |
3670 N.m |
290 kg |
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F107 |
90 mm |
90 mm |
2.2-55 KW |
6.26 – 250.7 |
6670 N.m |
450 kg |
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F127 |
110 mm |
100 mm |
4-90 KW |
4.61 – 170.4 |
10200 N.m |
770 kg |
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F157 |
120 mm |
120 mm |
11-160 KW |
11.67 – 262.9 |
15300 N.m |
1870 kg |
Features of F Series Parallel Shaft Helical Gear Reducers
DESIGN CONCEPTS
The combination of standardization and modularization allows interchangeability with international leading brands, while keeping structure rigidity and compactness.
ENERGY EFFICIENCY
Leveraging the advantage of high accuracy of helical gears, the reducers perform at 90% efficiency with higher stability and lower noise level.
RATIOS COVERAGE
2~3 stages of reduction provides a wide range of ratio accommodation from 1/4~1/254.
LOADING CAPACITY
Available with power ranges from 1/4hp up to 60hp depending on different requirements and applications.
TENSILE STRENGTH
Pinion and gears are made with 20CrMo alloy steel plus carburizing heat treatment to enhance performance.
SPACE EFFICIENCY
Compact configuration for minimizing mounting space.
INSTALLATION FLEXIBILITY
All models are designed for a choice of mounting position (M1~M6) specified by customers.
APPEARANCE AESTHETICS
The products are designed with modern exterior while maintaining high rigidity.
Types of F Series Parallel Shaft Helical Gear Reducers
Cone
The conical-parallel shaft gear reducer combines a bevel gear's conical shape with parallel shaft gears. This brings the gear change angled cone, which meshes with parallel output gear. This unique design provides a compact form factor, improves torque capacity, and reduces axial thrust during operation.
Housing
The parallel-shaft gear reducer features the gears mounted within a rigid and sealed housing to ensure protection and proper lubrication. This design is commonly used in electric motors and conveyor systems, where space constraints require a compact solution without sacrificing torque or speed reduction.
Worm Gear
This nonlinear gear system includes a parallel shaft with a worm and worm gear combination. It's an asymmetric drive, so efficiency is easily reduced, and torque is greatly magnified. The design excels in applications needing low-speed operation with high torque and smooth, silent motions.
Cylindrical
The cylindrical parallel shaft gear reducer consists of two or three parallel shafts with cylindrical gears that are straight or helical cut. This is the most common type, providing high efficiency and load-carrying capability. These gear reducers can be used in many applications, from industrial machinery to conveyor systems.
Applications of F Series Parallel Shaft Helical Gear Reducers
Material Handling
Used in conveyor systems, elevators, and automated storage systems to regulate speed and enhance load-carrying capacity.
Textiles
Employed in spinning, weaving, and dyeing machines where precise speed control is essential for consistent fabric quality.
Printing
Integrated into printing presses to synchronize rollers and maintain accurate paper movement at variable speeds.
Agriculture
Found in irrigation systems, feed mixers, and harvesting equipment, where robust performance under variable loads is required.
Food & Beverage
Utilized in packaging lines and processing equipment for hygienic, reliable operation.
Chemical & Pharmaceutical
Applied in mixers and reactors where controlled agitation ensures product consistency.
Output Speed and Speed Range of F Series Parallel Shaft Helical Gear Reducers
Speed Matching
The reducer’s output speed must align precisely with the operational requirements of the driven machine (e.g., conveyor belt speed, mixer RPM).
Variable Speed Applications
If speed adjustment is required during operation, consider pairing the reducer with a variable frequency drive (VFD) or selecting a multi-speed gearbox.
Efficiency Considerations
Operating at lower output speeds often increases efficiency due to reduced friction losses and better torque utilization.
Input-to-Output Ratio
The gear ratio (input speed ÷ output speed) determines torque multiplication. Higher ratios provide greater torque but lower output speed.
Mounting options: Foot-mounted, flange-mounted, shaft-mounted, or wall-mounted configurations provide flexibility.
Alignment: Precise shaft alignment (angular and parallel) prevents uneven loading, vibration, and seal damage.
Coupling types: Use flexible couplings (jaw, grid, or elastomeric) to accommodate minor misalignment.
Motor integration: C-face or D-flange connections enable direct motor mounting for compact designs.
Positioning: Horizontal or vertical orientations must comply with lubrication requirements (e.g., oil level in vertical mounts).

Environmental and Operating Conditions
Temperature Extremes
In high-temperature environments, internal or external cooling systems (such as oil coolers or forced-air fans) may be necessary to maintain optimal lubricant viscosity and prevent thermal degradation.
Moisture and Corrosion
For wet or washdown environments (e.g., food processing, marine applications), select gear reducers with corrosion-resistant housings (stainless steel or coated cast iron) and IP66/IP67-rated seals.
Dust and Contaminants
Use labyrinth seals or pressurized housings in dusty or abrasive environments to prevent particulate ingress.
Space Constraints
Compact designs with integrated mounting options are ideal for tight installations. Consider motor-reducer combinations or right-angle adapters if space is limited.
Usage and Maintenance
Lubrication intervals
Check oil levels monthly; change oil every 6–12 months or per manufacturer guidelines.
Temperature monitoring
Use infrared sensors to detect abnormal heat buildup indicating overload or poor lubrication.
Leak inspection
Regularly inspect seals and gaskets for signs of oil seepage or contamination.
Noise analysis
Listen for unusual sounds (grinding, clicking) which may signal gear or bearing wear.
Vibration testing
Implement periodic vibration analysis for predictive maintenance in critical systems.
Environmental protection
Install breathers or desiccants in humid or dirty environments to prevent condensation and contamination.
FAQ
We're well-known as one of the leading parallel shaft helical gear reducers manufacturers in China, featured by quality products and good service. Please rest assured to buy customized parallel shaft helical gear reducers made in China here from our factory. Thank you for your interest in our products.
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