China Best Sales Helical Inline Gearbox R Series Gear Motor Rotary Tillers Gearbox1 Buyer gearbox design

Product Description


Product Description

Boqiang Drive K Series Helical -Bevel Geared Motor

-High efficiency: 92%-97%;
-Compact structure: Small offset output, two stage and three stage are in the same box.
-High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
-High interchangeability: highly modular, serial design, strong versatility and interchangeability.

Technical parameters

Ratio 3.41-289.74
Input power 0.12-160KW
Output torque 61-23200N.m
Output speed 5-415rpm
Mounting type Foot mounted, flange mounted, foot and flange mounted, single-stage foot mounted, CHINAMFG flange mounted, Flange-mounted with extended bearing hub
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor TF(Thermistor protection PTC thermisto)
TH(Thermistor protection Bimetal swotch)
Mounting Position M1, M2, M3, M4, M5, M6
Type R17-R167
Output shaft dis. 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm
Housing material HT200 high-strength cast iron from R37,47,57,67,77,87
Housing material HT250 High strength cast iron from R97 107,137,147,157,167,187
Heat treatment technology carbonitriding and hardening treatment
Efficiency 92%-97%
Lubricant VG220
Protection Class IP55, F class


Product Parameters

Models Output Shaft Dia. Input Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
R/RF18 20mm 0.18~0.75 3.83~74.84 85
R/RF28 25mm 16mm 0.18~3 3.37~135.09 130
R/RF38 25mm 16mm 0.18~3 3.41~134.82 200
R/RF48 30mm 19mm 0.18~5.5 3.83~176.88 300
R/RF58 35mm 19mm 0.18~7.5 4.39~186.89 450
R/RF68 35mm 19mm 0.18~7.5 4.29~199.81 600
R/RF78 40mm 24mm 0.18~11 5.21~195.24 820
R/RF88 50mm 28mm 0.55~22 5.36~246.54 1550
R/RF98 60mm 38mm 0.55~30 4.49~289.6 3000
R/RF108 70mm 42mm 2.2~45 5.06~245.5 4300
R/RF138 90mm 55mm 5.5~55 5.51~223.34 8000
R/RF148 110mm 55mm 11~90 5.00~163.46 13000
R/RF168 120mm 70mm 11~160 8.77~196.41 18000

1 Stage

Models Output Shaft Dia. Input Shaft Dia. Power(kW) Ratio Max. Torque(Nm)
RX/RXF38 20mm 16mm 0.18~1.1 1.6~3.76 20
RX/RXF58 20mm 19mm 0.18~5.5 1.3~5.5 70
RX/RXF68 25mm 19mm 0.18~7.5 1.4~6.07 135
RX/RXF78 30mm 24mm 1.1~11 1.42~5.63 215
RX/RXF88 40mm 28mm 3~22 1.39~6.44 400
RX/RXF98 50mm 38mm 5.5~30 1.42~5.82 600
RX/RXF108 60mm 42mm 7.5~45 1.44~6.65 830
RX/RXF128 75mm 55mm 7.5~90 1.56~6.47 1110
RX/RXF158 90mm 70mm 11~132 1.63~6.22 1680

R series gear units are available in the following designs:

1.R.. Y.. Foot shaft extension mounted helical gear reducer

2.RF.. Y.. Flange shaft extension mounted helical gear reducer

3.R.. R.. Y.. Base shaft extension mounted combined helical gear reducer

4.RF.. R.. Y.. Flange shaft extension mounted combined helical gear reducer

5.R.. AD.. Foot shaft extension installation, shaft input helical gear reducer

6.RF.. AD.. Flange axial extension type installation, shaft input helical gear reducer

7.R.. R.. AD.. Foot shaft extension mounted combined, shaft input helical gear reducer

8.RF.. R.. Y.. Flange shaft extension mounted combined, shaft input helical gear reducer

9.R or RF.. P or SF.. Coupling flange input type helical gear reducer (used when the motor user is equipped with or equipped with special motors)

Mounting poKition:
PoKition of the motor thermal box:

Input power rating and permissible torque:

Gear unit weight:
Photos of the factory area

  ZHangZhoug Boqiang Transmission Co., Ltd. was established in 2002 and is a high-tech enterprise that integrates design, development, manufacturing, and operation, producing and selling reduction motors and power transmission equipment. The company is located in Oubei Town, HangZhoua County, at the forefront of national reform and opening up, known as the “Little Xihu (West Lake) Dis.” of HangZhou. Close to National Highway 104 and east to HangZhou International Airport and Xihu (West Lake) Dis. International Container Terminal; South to HangZhou Railway Station and Passenger Transport Center; There are also many national tourist attractions such as Yandang Mountain and Xihu (West Lake) Dis. River. With convenient transportation and unique geographical location, it is highly welcomed by domestic and foreign users.
Our company produces 12 series of helical gear reducers for various purposes, including shaft mounted helical gear reducers, helical bevel gear reducers, helical worm gear reducers, spiral bevel gear steering boxes, worm gear reducers, continuously variable transmissions, spiral elevators, and large gearboxes. The power coverage is 0.12-2000kw, with a reduction ratio of 1.25-30000. Various combinations, deformations, and specialized products can meet most industrial requirements. The R, K, F, and S series reducers adopt the modular design principle of unit structure, greatly reducing the types of components and inventory, and greatly shortening the delivery cycle. The components have strong universality and low maintenance costs.

Boqiang has a leading position in China in terms of technology level and product market share. The products are widely used in various fields such as metallurgy, light industry, packaging, medicine, petroleum, chemical industry, lifting and transportation, three-dimensional parking, printing and dyeing, elevators, wind power, etc. Boqiang Company has excellent performance. The transmission technology experts from the headquarters and numerous application engineers and after-sales service technicians from various regional offices provide you with rapid and comprehensive technical consultation and comprehensive services.

Looking back at the past and looking CHINAMFG to the future, Boqiang has always been on the way forward, constantly improving and surpassing itself with high-quality products and comprehensive services, and winning the favor of the market and customers. We are willing to work together with people of insight from all walks of life to create a more brilliant tomorrow.
Processing equipment
Testing equipment and quality control
Quality:Insist on Improvement,Strive for CHINAMFG With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission  
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

Supporting equipment

Packaging And Transportation

Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc. 

Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection. 

Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice. 

Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on. 

Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors.


Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Three-Step


Customized Request

tiller gearbox

Impact of Gear Ratios on Tiller Gearbox Performance

The gear ratios in tiller gearboxes play a crucial role in determining their performance characteristics. Here’s how gear ratios impact tiller gearbox performance:

Optimal Torque and Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. By selecting appropriate gear ratios, tiller gearboxes can be tuned to provide the right balance between torque and rotational speed. Lower gear ratios emphasize higher torque for tasks like breaking up compacted soil, while higher gear ratios prioritize rotational speed for lighter tasks.

Efficient Power Transmission: Gear ratios ensure efficient power transmission from the engine to the tines or blades of the tiller. Properly chosen gear ratios allow the gearbox to convert the engine’s power into the required output for effective soil cultivation. This prevents overloading the engine or the gearbox and ensures smooth operation.

Adaptability to Soil Conditions: Different soil types and conditions require varying levels of torque and speed. Adjustable gear ratios enable tiller operators to adapt the machine’s performance to the specific soil characteristics. Gearboxes with multiple speed settings or variable gear ratios offer versatility for tackling various soil conditions.

Fuel Efficiency and Productivity: Correctly matched gear ratios contribute to fuel efficiency by optimizing the engine’s power delivery. Gearboxes that offer a wide range of gear ratios allow operators to choose the most suitable setting for the task at hand, enhancing productivity and reducing fuel consumption.

Overall, the choice of gear ratios in tiller gearboxes significantly influences their ability to handle different tasks effectively, maximize fuel efficiency, and adapt to varying soil conditions.

tiller gearbox

Handling Challenges of Hard or Compacted Soil in Tiller Gearboxes

Tiller gearboxes are designed to tackle the challenges posed by hard or compacted soil during soil preparation and cultivation. Here’s how they handle these challenges:

High Torque Output: When dealing with hard or compacted soil, a higher torque output is essential to break up the tough ground effectively. Tiller gearboxes are equipped with gear ratios that emphasize torque, allowing the tines or blades to exert the necessary force to penetrate and loosen the soil.

Robust Construction: Tiller gearboxes are built with durability in mind. They are constructed using sturdy materials and precision engineering to withstand the increased load and stress encountered when working with hard soil. This ensures that the gearbox remains reliable even under challenging conditions.

Adjustable Depth and Speed: Many tiller gearboxes offer adjustable tine depth and speed settings. When faced with hard or compacted soil, operators can adjust the depth to ensure the tines reach the appropriate depth for effective soil cultivation. Additionally, the gearbox’s adjustable speed settings allow for controlled and gradual penetration of the soil.

Multiple Tines or Blades: Tiller gearboxes may feature multiple tines or blades arranged in various configurations. This setup helps distribute the workload across the entire working width, allowing each tine or blade to focus on a smaller area. This arrangement is particularly beneficial when dealing with hard soil, as it reduces the strain on individual tines or blades.

Engine Power and Gear Ratios: The engine’s power output and the gearbox’s gear ratios are crucial factors in handling hard soil. Tiller gearboxes with appropriately chosen gear ratios ensure that the engine’s power is efficiently translated into the required torque for effective soil penetration and cultivation.

In conclusion, tiller gearboxes are designed with features and characteristics that enable them to overcome the challenges of hard or compacted soil. Their high torque output, robust construction, adjustable settings, and compatibility with different engine powers contribute to their ability to handle tough soil conditions efficiently.

tiller gearbox

Different Types of Tiller Gearboxes Catering to Specific Gardening Needs

Various types of tiller gearboxes are designed to address specific gardening needs and preferences, offering versatility and efficiency in different applications:

  • Standard Rotating Tines: These tiller gearboxes are commonly found in traditional garden tillers. They feature rotating tines that dig into the soil as the gearbox transfers power from the engine. They are suitable for general soil preparation and cultivating smaller garden areas.
  • Counter-Rotating Tines: In this type, the tines rotate in the opposite direction to the wheels of the tiller. Counter-rotating tines provide improved stability and control, making them well-suited for tougher soil conditions and larger areas.
  • Front Tine Tiller Gearbox: This type of gearbox is positioned at the front of the tiller, allowing the front-mounted tines to dig into the soil. Front tine tillers are more maneuverable and suitable for smaller gardens or flower beds.
  • Rear Tine Tiller Gearbox: Positioned at the rear, these gearboxes drive the tines that are located behind the wheels. Rear tine tillers provide greater digging depth and are effective in breaking up compacted soil or preparing larger garden areas.
  • Vertical Tine Tiller Gearbox: Vertical tine tillers have vertically oriented tines that work well for deep soil penetration and aeration. They are ideal for breaking up hard soil and improving soil structure.
  • Compact and Mini Tiller Gearbox: These smaller gearboxes are used in compact and mini tillers designed for lightweight gardening tasks, such as cultivating flower beds and tight spaces.

By offering a range of gearbox types, each catering to specific gardening needs, gardeners and landscapers can choose the right tiller gearbox configuration that suits their soil type, garden size, and intended tasks.

China Best Sales Helical Inline Gearbox R Series Gear Motor Rotary Tillers Gearbox1 Buyer   gearbox design		China Best Sales Helical Inline Gearbox R Series Gear Motor Rotary Tillers Gearbox1 Buyer   gearbox design
editor by CX 2023-10-11