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CRRC 7000 Series Skid Motor

CRRC 7000 series skid motor is a high-power, heavy-duty drive solution tailored for 7000HP electric fracturing skid systems, delivering a rated output power of 4420 kW, a 6600 V rated voltage, and a 776 r/min rated speed, featuring an H-class insulation system and 97% rated efficiency.
Equipped with a 450 A rated current capacity, this motor is engineered to deliver robust, consistent performance under the high-load, continuous operating conditions of oilfield fracturing operations, while its optimized thermal design ensures reliable operation in harsh, dusty field environments.
As a mature model in the CRRC oilfield motor series, it integrates seamlessly with mainstream 7000HP electric fracturing skid systems, ensuring reliable operation and compatibility with industry-standard oilfield equipment.
We offer comprehensive life-cycle support for the Motor, covering equipment supply, on-site installation and commissioning, maintenance training, spare parts provision, and ongoing technical troubleshooting services.

Advantages of CRRC 7000 Series Skid Motor

  • With a rated power of 4420 kW and 97% efficiency, it delivers the massive power required for 7000HP fracturing operations while minimizing energy loss and operational costs.

  • The H-class insulation system and rugged design ensure stable performance in the temperature fluctuations, dust, and vibration of oilfield environments, reducing the risk of downtime.

  • The 776 rpm rated speed and high torque output are precisely matched to the demands of fracturing pumps, delivering consistent power for continuous high-pressure operations.

  • Designed with a 6600 V rated voltage that complies with mainstream oilfield power specifications, it integrates seamlessly with existing skid systems and power distribution infrastructure.

  • Built on CRRC’s mature heavy-duty motor technology, it features high part commonality and low maintenance requirements, simplifying inspections and reducing long-term operational expenses.

Technical Specifications

Motor Model:CDJD903
Rated Power:4420 kW
Rated Voltage:6600 V
Rated Current:450 A
Rated Speed:776 r/min
Insulation Grade:H
Rated Efficiency:97%

Product Model

Motor Model

Rated Power

Rated Voltage

Rated Current

Rated Speed

3000 series skid motorCDJD9022000 kW3300 V402 A500 r/min
5000 series skid motorCDJD9043155 kW6600 V320 A865 r/min
7000 series skid motorCDJD9034420 kW6600 V450 A776 r/min
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General Infomation of CRRC 7000 Series Skid Motor

ModelCDJD903(For 3155kW 865mm Bogie)CodeCDJD903-000-000
Rated Power4420 kWRated Voltage4500 V
Rated Current650 ARated Speed776 r/min
Rated Torque54400 N·mWeight11 t
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Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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Installation Manual

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Operation Manual

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