500W Low Noise Electric Drive Unit ND121 | 200kg Load | Custom Shaft Length

 500W Low Noise ND121 Electric Drive axle features ultra-quiet operation (<55 dB) and long service life with full alloy steel, precision-ground gears.Supporting up to 200 kg load and customizable shaft length, it is ideal for electric tuggers, power-assisted trolleys, scrubber dryers, mobility vehicles, and assisted mobile equipment.

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The  500W Low Noise Electric Drive Unit ND121 is designed for applications that require quiet operation, long service life, and stable power output.
With a noise level of less than 55 dB, it is ideal for indoor environments and noise-sensitive working conditions.

This drive unit is built with full alloy steel gears and precision gear grinding, ensuring smooth transmission, reduced mechanical wear, and extended durability.

Its robust structure enables one unit to replace multiple conventional drive solutions, improving efficiency while reducing maintenance and operating costs.

ND121 low noise electric drive unit, 300W–800W, alloy steel gears, 200kg load

Key Features:

  • Power output: 500W

  • Ultra-low noise: < 55 dB

  • Maximum load capacity: up to 200 kg

  • Full alloy steel, precision-ground gears

  • Long service life and stable performance

  • Customizable shaft length

Specifications

For those who seek numbers and specifics, here’s a closer look at the specifications of the ND12-1-21 model:

Parameter Specification
Model ND121
Rated voltage DC 24V 48V
Rated power 500W
Transmission ratio 1:21
No-load speed 3000RPM
Rated torque 1.5 Nm
Motor efficiency 72%
Motor diameter Ø97
Electromagnetic brake 4Nm
Noise ≤54
Motor type brushless

ND121 low noise electric drive unit, 300W–800W, alloy steel gears, 200kg load

The ND121 500W low noise electric drive unit is widely used in:

  • Electric tuggers and electric tow tractors

  • Power-assisted trolleys and hand carts

  • Personal mobility vehicles

  • Beach vehicles and light utility vehicles

  • Walk-behind scrubber dryers

  • Power-assisted mobile equipment such as concrete cutting machines

ND121 low noise electric drive unit installed on electric trolley, tugger, scrubber dryer, and assisted mobility equipment

The ND121 500W series delivers a dependable drive solution for low-speed electric vehicles and assisted mobility equipment where low noise, durability, and flexibility are essential.

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