PUTAI ZDT series brushed DC motors cover 85–180 kW for industrial oil-pump applications. They serve equipment OEMs, motor distributors, system integrators and maintenance teams sourcing motors for new equipment or replacement projects.
Main Technical Parameters
|
Parameter |
Listed Data |
|
Motor Type |
Brushed DC Motor |
|
Model Variants |
ZDT-315-2-85 kW, ZDT-315-2-135 kW, ZDT-315-2-160 kW, ZDT-315-2-180 kW |
|
Rated Power |
85, 135, 160, 180 kW |
|
Armature Voltage Options |
380 V, 415 V, 440 V, 520 V |
|
Field Voltage Options |
180 V, 220 V, 300 V, 310 V |
|
Excitation Mode |
Separately Excited |
|
Rated Speed Options |
500, 750, 1000 rpm |
|
Cooling |
IC06 listed |
|
Protection |
IP23 and IP21S listed |
|
Insulation Class |
F (155°C) and H (180°C) listed |
|
Weight |
1500 kg listed |

Industrial Applications
Oil-Pump Drives
The product is presented for oil-pump drive applications. Before specifying a motor, buyers should compare the required shaft power and operating speed with the motor's rated data, then check the electrical supply, drive compatibility and mechanical interface.
OEM Pump Equipment
Pump manufacturers and system integrators can assess the ZDT series for new equipment where the verified motor ratings and installation dimensions meet the package requirements. Mounting arrangement, shaft extension, coupling, cooling and operating duty are the main integration details.
Existing Motor Replacement
For replacement projects, the existing motor's nameplate and dimensional drawings help establish the required configuration. Model designation or rated power alone is not sufficient to confirm interchangeability.
Generation process




OEM Supply and Replacement Matching
OEM Equipment Integration
For new equipment, the motor specification should align with the pump load, required speed, DC drive output, field excitation, duty cycle and installation dimensions. The agreed technical specification provides a common reference for production, inspection and equipment integration.
Replacement Motor Matching
For an existing installation, buyers can provide:
Motor nameplate photographs and the complete model designation
Armature and field voltage ratings
Rated speed and available operating-speed range
Mounting dimensions, shaft extension and coupling details
Cooling arrangement and protection requirements
Existing drawings or installation photographs
These details help compare the proposed motor with the installed unit and identify differences that may affect fit or operation.
Distributor and Maintenance Support
For repeat orders and maintenance planning, the confirmed model specification and agreed technical documents provide a consistent reference. Keeping electrical ratings and mechanical dimensions tied to the specific model helps reduce ambiguity during subsequent procurement.
Manufacturing Capability
PUTAI Electric Motor Equipment Co., Ltd. reports a 200,000 m² plant, RMB 80 million in fixed assets, more than 120 employees, including 18 technical engineers, and over 25 years of motor-industry experience.
The company's published manufacturing process covers silicon-steel preparation, copper winding, insulation processing, vacuum pressure impregnation (VPI), drying, motor assembly and testing before dispatch. These are company-level manufacturing details; ZDT-specific process photographs and production records would provide more direct evidence of how the process is applied to this series.
Quality Assurance and Technical Documentation
PUTAI's published workflow includes manufacturing, intermediate inspection and final testing before dispatch. For a ZDT order, the inspection scope should correspond to the agreed technical specification.
Relevant documentation may include the motor's technical data sheet, dimensional drawing, electrical test results and final inspection record, where available within the actual supply scope. Naming specific tests or promising particular records should be based on documents that can be provided for the supplied motor.
Project Support
For OEM and replacement enquiries, the project information should establish the required electrical ratings, operating speed, installation dimensions, shaft and coupling interfaces, cooling arrangement and protection requirements.
The existing nameplate, equipment details and available drawings help define the technical requirements. This information can then be consolidated into the agreed motor specification and document list, avoiding repeated parameter checks across procurement and engineering discussions.
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Frequently Asked Questions
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