OEM Swing Motor MSG-44B-21A Manufacturer, Factories

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OEM Swing Motor MSG-44B-21A Manufacturer, Factories

Model No.: MSG-44B-21A Swing Motor for 6-8 ton Mini Excavator. OEM quality with One Year warranty. Quickly delivery within 3 days (standard models). Interchangeable with Kayaba MSG-44P-21 Swing Motor.

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Product Description

Brief Introduction

The MSG series Swing Motor is a combination of a shaft-rotation type simple planetary speed reducer and a swash plate motor. It is ideal for swinging motors for excavators and mini excavators. An inside relief valve and parking brake are standard options.

Model	Max Working Pressure	Max. Output Torque	Max. Output Speed	Application
MSG-44B-21A	21 MPa	3480 N.m	80 rpm	6.0-8.0 Ton

Key Features

✓ Compact design with small volume.

✓ High efficiency Piston Motor.

✓ Precision inside gear parts.

✓ Smooth transmission and low noise.

✓ Excellent performance and long durability.

✓ Integrated with Relief Valve.

✓ Parking brake inside.

✓ With Counterbalance Valve.

✓ Customised flange pattern as required.

✓ Interchangeable with Kayaba MSG-44P-21 Slew Motor.

Technical Specifications

Model:	MSG-44B-21A
Max. Input Flow:	40L/min
Motor Displacement:	44cc/r
Max. Working Pressure:	21.5MPa
Gear Ratio:	21
Max. Output Torque:	3480N.m
Max. Output Speed:	80rpm
Control Oil pressure:	2~7MPa
Machine Application:	~8.0 Ton

Dimensions

The dimensions are fully interchangeable with Kayaba MSG-44P-21 Slew Motor, ensuring easy replacement and installation.

Our Advantages

★ Many years in Fluid Power industry.

★ Improved structure based on famous brands.

★ OEM Motor supplier for domestic machinery manufacturers.

★ Parts are precisionly machined on Automatic Producing Lines.

★ Real testing for every motor before packing.

★ One full year warranty.

★ Professional international service team.

Summary

As one of China’s leading hydraulic suppliers and among the earliest hydraulic enterprises specializing in export business for decades, we are committed to providing excellent hydraulic products and services to both businesses and final users worldwide.

Frequently Asked Questions

What is an MSG series Swing Motor used for?

The MSG series Swing Motor is designed for the slewing mechanism of excavators and mini excavators, combining a planetary speed reducer with a swash plate motor for efficient rotation.

Is the MSG-44B-21A compatible with other brands?

Yes, the MSG-44B-21A is fully interchangeable with the Kayaba MSG-44P-21 Slew Motor in terms of both dimensions and performance.

What safety features are included in this motor?

Each motor comes standard with an integrated relief valve and an internal parking brake to ensure safe and precise operation.

What tonnage of excavator is this motor suitable for?

The MSG-44B-21A model is specifically optimized for machines ranging from 6.0 to 8.0 tons.

How do you ensure the quality of the motors?

All parts are precision-machined on automatic production lines, and every single motor undergoes real-world testing before being packed for shipment.

What is the warranty period for the Swing Motor?

We provide a one full year warranty on all our swing motors to guarantee long-term durability and customer satisfaction.