China best 48V 2000W BLDC Gear Motor for Electric Tricycle, Ebike, Rickshaw, Electric Motorcycle vacuum pump ac system

Product Description

Product Description

Reduction motor data

voltage power torque(before reduction)N.m ratio rated speed/ rpm current(48v)A Eff%
48V/60V/72v 1000W 3.9 5.44 3420 27 84
48V/60V/72v 1260W 4.5 5.44 3420 34 84
48V/60V/72v 1550W 6.2 5.44 3420 39 84
48V/60V/72v 2000W 8.2 5.44 3420 55 84

pmsm Motor Data:

power voltage Torque
rated speed
eco mode
normal mode
sport mode
1500W 48V 12.3  2280 1870 2280 2850 95%
60V 11.1  2850 2350 2850 3680 95%
72V 19.6  3450 2650 3450 4220 95%
2000W 48V 17.2  2000 1900 2330 3100 95%
60V 14.9  2650 2500 2930 3800 95%
72V 30.0  2720 2930 3800 4450 95%
2200W 48V 14.7  2350 2000 2350 2600 95%
60V 13.3  3000 2600 3000 3300 95%
72V 29.8  3500 3100 3500 4000 95%
3000W 48V 20.9  2250 1870 2250 2850 94%
60V 17.8  2850 2350 2850 3350 95%
72V 14.6  3400 2900 3400 3900 95%
4000W 48V 16.5  2300 1900 2300 2600 94%
60V 20.3  2800 2400 2800 3300 96%
72V 19.9  3400 2800 3400 4000 96%
5000W 48V 19.6  2210 1780 2210 2540 94%
60V 22.5  2710 2280 2710 3040 95%
72V 30.2  3400 2820 3400 4571 95%


Production Line


How important the motor is to the E Vehicle?

Motor is the heart of an electric vehicle, motor’s capacity and efficiency is a great deal, an e-rickshaw uses BLDC motor powered with controller that controls the movement of the motor. Choosing the best motor is critical for any electric vehicle, the capacity of the motor should be enough to generate high enough torque to enhance the user experience without wasting too much energy to ensure longer HangZhouage is delivered by the battery.

Why Choose CHINAMFG DC motor and controller

  1. the newest six-phase permanent magnet synchronous motor in China.It can choose Hall sensor and encoder sensor(high precision position sensor)according for your needs.
  2. The speed of the vehicle can reach40-55km/h.
  3. load 1 ton easily climb 30 slope mountain road.
  4. High efficiency,efficiency reached 94%,increase vehicle HangZhouage.
  5. Soft start,six-phase permanent magnet synchronous motor torque than ordinary motor increased by 30%.
  6. Electronic brake assist function,it can effectively reduce brake shoe wear and improve service life
  7. Start smoothly, Three speed regulation function, speed increased by 8km/h,making the vehicle more comfortable to drive
  8. Anti slip down protection make the vehicle safe.
  9. Downhill can control the constant speed so that your vehicle overload downhill more safe
  10. Regenerative braking function for increase HangZhouage
  11. CAN communication protocols ,more intelligent

Why choose CHINAMFG rear axle

  1. the variable rear axle is independently developed and manufactured,with mature technical structure, easy to operate, simple and safe. It has obtained the national invention patent.
  2. High and low speed torque conversion,effectively increase the climbing and load capacity
  3. Full floating rear axle structure design increases load capacity,convenient and quick repair and replace of the accessories,no need to remove the rear axle wheels, better braking performance .
  4. Gear machining accuracy is very high, stable performance, low noise
  5. A variety of gear ratio options to meet the needs of various vehicles.

Packaging & Shipping

Foam+ carto/wooden case

Company Profile

ZHangZhoug CHINAMFG New Energy Co.,Ltd is a R&D integrated electronic-machinery enterprise , Specializing in the developing and manufacturing high performance BLDC PMSM Motor, Controller and Rear Axle. 
Our products are widely used in three/four wheel Electric Vehicles :rickshaw ,cargo ,tricycle. golf cart,tour bus , ev car, e-forklift, e lifting platform etc. 
We have advanced technology, full type of models, reliable and safety products. With experienced export and engineer team, we can quickly and professionally provide best products for you.




Q:Why choose Datai?

A:We are professional BLDC PMSM motor ,controller ,rear axle manafacturer.We are the top quality and performance products in e-tricycles field, and have rich experience to export, Best products with reasonable price. 

Q:Are you trading company or manufacturer?
A: We are factory.

Q: How long is your delivery time?
A: depands on the quantity.We have the product capacity of 800 motor ,600 rear axle ,1000 controller per day !

Q: What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery. 

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Application: Universal, Industrial, Household Appliances, Car, Power Tools, Electric Tricycle
Operating Speed: Adjust Speed
Excitation Mode: Compound
Function: Control, Driving
Casing Protection: Protection Type
Structure and Working Principle: Brushless
US$ 200/Set
1 Set(Min.Order)




gear motor

How is the efficiency of a gear motor measured, and what factors can affect it?

The efficiency of a gear motor is a measure of how effectively it converts electrical input power into mechanical output power. It indicates the motor’s ability to minimize losses and maximize its energy conversion efficiency. The efficiency of a gear motor is typically measured using specific methods, and several factors can influence it. Here’s a detailed explanation:

Measuring Efficiency:

The efficiency of a gear motor is commonly measured by comparing the mechanical output power (Pout) to the electrical input power (Pin). The formula to calculate efficiency is:

Efficiency = (Pout / Pin) * 100%

The mechanical output power can be determined by measuring the torque (T) produced by the motor and the rotational speed (ω) at which it operates. The formula for mechanical power is:

Pout = T * ω

The electrical input power can be measured by monitoring the current (I) and voltage (V) supplied to the motor. The formula for electrical power is:

Pin = V * I

By substituting these values into the efficiency formula, the efficiency of the gear motor can be calculated as a percentage.

Factors Affecting Efficiency:

Several factors can influence the efficiency of a gear motor. Here are some notable factors:

  • Friction and Mechanical Losses: Friction between moving parts, such as gears and bearings, can result in mechanical losses and reduce the overall efficiency of the gear motor. Minimizing friction through proper lubrication, high-quality components, and efficient design can help improve efficiency.
  • Gearing Efficiency: The design and quality of the gears used in the gear motor can impact its efficiency. Gear trains can introduce mechanical losses due to gear meshing, misalignment, or backlash. Using well-designed gears with proper tooth profiles and minimizing gear train losses can improve efficiency.
  • Motor Type and Construction: Different types of motors (e.g., brushed DC, brushless DC, AC induction) have varying efficiency characteristics. Motor construction, such as the quality of magnetic materials, winding resistance, and rotor design, can also affect efficiency. Choosing motors with higher efficiency ratings can improve overall gear motor efficiency.
  • Electrical Losses: Electrical losses, such as resistive losses in motor windings or in the motor drive circuitry, can reduce efficiency. Minimizing resistance, optimizing motor drive electronics, and using efficient control algorithms can help mitigate electrical losses.
  • Load Conditions: The operating conditions and load characteristics placed on the gear motor can impact its efficiency. Heavy loads, high speeds, or frequent acceleration and deceleration can increase losses and reduce efficiency. Matching the gear motor’s specifications to the application requirements and optimizing load conditions can improve efficiency.
  • Temperature: Elevated temperatures can significantly affect the efficiency of a gear motor. Excessive heat can increase resistive losses, reduce lubrication effectiveness, and affect the magnetic properties of motor components. Proper cooling and thermal management techniques are essential to maintain optimal efficiency.

By considering these factors and implementing measures to minimize losses and optimize performance, the efficiency of a gear motor can be enhanced. Manufacturers often provide efficiency specifications for gear motors, allowing users to select motors that best meet their efficiency requirements for specific applications.

gear motor

Can gear motors be used for precise positioning, and if so, what features enable this?

Yes, gear motors can be used for precise positioning in various applications. The combination of gear mechanisms and motor control features enables gear motors to achieve accurate and repeatable positioning. Here’s a detailed explanation of the features that enable gear motors to be used for precise positioning:

1. Gear Reduction:

One of the key features of gear motors is their ability to provide gear reduction. Gear reduction refers to the process of reducing the output speed of the motor while increasing the torque. By using the appropriate gear ratio, gear motors can achieve finer control over the rotational movement, allowing for more precise positioning. The gear reduction mechanism enables the motor to rotate at a slower speed while maintaining higher torque, resulting in improved accuracy and control.

2. High Resolution Encoders:

Many gear motors are equipped with high-resolution encoders. An encoder is a device that measures the position and speed of the motor shaft. High-resolution encoders provide precise feedback on the motor’s rotational position, allowing for accurate position control. The encoder signals are used in conjunction with motor control algorithms to ensure precise positioning by monitoring and adjusting the motor’s movement in real-time. The use of high-resolution encoders greatly enhances the gear motor’s ability to achieve precise and repeatable positioning.

3. Closed-Loop Control:

Gear motors with closed-loop control systems offer enhanced positioning capabilities. Closed-loop control involves continuously comparing the actual motor position (as measured by the encoder) with the desired position and making adjustments to minimize any position error. The closed-loop control system uses feedback from the encoder to adjust the motor’s speed, direction, and torque, ensuring accurate positioning even in the presence of external disturbances or variations in the load. Closed-loop control enables gear motors to actively correct for position errors and maintain precise positioning over time.

4. Stepper Motors:

Stepper motors are a type of gear motor that provides excellent precision and control for positioning applications. Stepper motors operate by converting electrical pulses into incremental steps of movement. Each step corresponds to a specific angular displacement, allowing precise positioning control. Stepper motors offer high step resolution, allowing for fine position adjustments. They are commonly used in applications that require precise positioning, such as robotics, 3D printers, and CNC machines.

5. Servo Motors:

Servo motors are another type of gear motor that excels in precise positioning tasks. Servo motors combine a motor, a feedback device (such as an encoder), and a closed-loop control system. They offer high torque, high speed, and excellent positional accuracy. Servo motors are capable of dynamically adjusting their speed and torque to maintain the desired position accurately. They are widely used in applications that require precise and responsive positioning, such as industrial automation, robotics, and camera pan-tilt systems.

6. Motion Control Algorithms:

Advanced motion control algorithms play a crucial role in enabling gear motors to achieve precise positioning. These algorithms, implemented in motor control systems or dedicated motion controllers, optimize the motor’s behavior to ensure accurate positioning. They take into account factors such as acceleration, deceleration, velocity profiling, and jerk control to achieve smooth and precise movements. Motion control algorithms enhance the gear motor’s ability to start, stop, and position accurately, reducing position errors and overshoot.

By leveraging gear reduction, high-resolution encoders, closed-loop control, stepper motors, servo motors, and motion control algorithms, gear motors can be effectively used for precise positioning in various applications. These features enable gear motors to achieve accurate and repeatable positioning, making them suitable for tasks that require precise control and reliable positioning performance.

gear motor

Can you explain the advantages of using gear motors in various mechanical systems?

Gear motors offer several advantages when utilized in various mechanical systems. Their unique characteristics make them well-suited for applications that require controlled power transmission, precise speed control, and torque amplification. Here’s a detailed explanation of the advantages of using gear motors:

1. Torque Amplification:

One of the key advantages of gear motors is their ability to amplify torque. By using different gear ratios, gear motors can increase or decrease the output torque from the motor. This torque amplification is crucial in applications that require high torque output, such as lifting heavy loads or operating machinery with high resistance. Gear motors allow for efficient power transmission, enabling the system to handle demanding tasks effectively.

2. Speed Control:

Gear motors provide precise speed control, allowing for accurate and controlled movement in mechanical systems. By selecting the appropriate gear ratio, the rotational speed of the output shaft can be adjusted to match the requirements of the application. This speed control capability ensures that the mechanical system operates at the desired speed, whether it needs to be fast or slow. Gear motors are commonly used in applications such as conveyors, robotics, and automated machinery, where precise speed control is essential.

3. Directional Control:

Another advantage of gear motors is their ability to control the rotational direction of the output shaft. By using different types of gears, such as spur gears, bevel gears, or worm gears, the direction of rotation can be easily changed. This directional control is beneficial in applications that require bidirectional movement, such as in actuators, robotic arms, and conveyors. Gear motors offer reliable and efficient directional control, contributing to the versatility and functionality of mechanical systems.

4. Efficiency and Power Transmission:

Gear motors are known for their high efficiency in power transmission. The gear system helps distribute the load across multiple gears, reducing the strain on individual components and minimizing power losses. This efficient power transmission ensures that the mechanical system operates with optimal energy utilization and minimizes wasted power. Gear motors are designed to provide reliable and consistent power transmission, resulting in improved overall system efficiency.

5. Compact and Space-Saving Design:

Gear motors are compact in size and offer a space-saving solution for mechanical systems. By integrating the motor and gear system into a single unit, gear motors eliminate the need for additional components and reduce the overall footprint of the system. This compact design is especially beneficial in applications with limited space constraints, allowing for more efficient use of available space while still delivering the necessary power and functionality.

6. Durability and Reliability:

Gear motors are designed to be robust and durable, capable of withstanding demanding operating conditions. The gear system helps distribute the load, reducing the stress on individual gears and increasing overall durability. Additionally, gear motors are often constructed with high-quality materials and undergo rigorous testing to ensure reliability and longevity. This makes gear motors well-suited for continuous operation in industrial and commercial applications, where reliability is crucial.

By leveraging the advantages of torque amplification, speed control, directional control, efficiency, compact design, durability, and reliability, gear motors provide a reliable and efficient solution for various mechanical systems. They are widely used in industries such as robotics, automation, manufacturing, automotive, and many others, where precise and controlled mechanical power transmission is essential.

China best 48V 2000W BLDC Gear Motor for Electric Tricycle, Ebike, Rickshaw, Electric Motorcycle   vacuum pump ac system	China best 48V 2000W BLDC Gear Motor for Electric Tricycle, Ebike, Rickshaw, Electric Motorcycle   vacuum pump ac system
editor by CX 2024-02-14