72V 4.2kW DC Compound Wound Auxiliary Motor (Model: XQD-4.2)

Motor Specifications

Product Overview

The XQD-4.2 is a 72V 4.2kW compound wound brushed DC motor designed for railway auxiliary equipment and industrial hydraulic systems. Combining the advantages of series and shunt windings, it delivers high starting torque, stable speed regulation, and reliable performance under varying load conditions. With its B35 mounting configuration and IP44 protection, the motor is built for dependable operation in demanding environments.

It is particularly suitable for railway engine starting oil pump systems, where reliable oil circulation is required before diesel engine startup to establish lubrication pressure and protect critical engine components.

Key Features

• High Starting Torque: Provides powerful starting performance for hydraulic oil pump and auxiliary drive applications.
• Stable Speed Regulation: Compound wound design maintains consistent operating speed under varying loads.
• Reliable Construction: Durable copper windings, precision commutator, and robust mechanical design ensure long service life.
• Easy Maintenance: Brushed DC structure allows convenient inspection and replacement of carbon brushes.
• Industrial Durability: IP44 protection and B35 mounting make the motor suitable for harsh industrial environments.

Typical Applications

The XQD-4.2 is widely used in railway auxiliary systems and industrial hydraulic equipment requiring dependable DC motor performance.

• Railway engine starting oil pump systems
• Diesel engine pre-lubrication systems
• Hydraulic oil pump units
• Railway maintenance equipment
• Industrial hydraulic power stations
• Construction and mining machinery

Frequently Asked Questions

1. What is the primary application of the XQD-4.2 motor?

The XQD-4.2 is primarily designed for railway engine starting oil pump systems, providing reliable hydraulic lubrication before diesel engine startup. It is also suitable for industrial hydraulic pump applications.

2. Why choose a compound wound DC motor?

Compound wound motors combine high starting torque with improved speed stability, making them ideal for hydraulic pumps and auxiliary drive systems operating under changing load conditions.

3. Can the XQD-4.2 motor be customized?

Yes. Baoluo Motor offers OEM and ODM customization, including voltage, power, mounting type, shaft dimensions, protection class, and other specifications to meet customer requirements.

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