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M81R2501 - Heavy Duty Starter Motor

  • Front Dim Drawing
    M81R2501 Front Dim Drawing
  • Rear Dim Drawing
    M81R2501 Rear Dim Drawing
  • Side Dim Drawing
    M81R2501 Side Dim Drawing
  • Output Curve
    M81R2501 Output Curve
  • Wiring Diagram
    M81R2501 Wiring Diagram
Product Specifications
Spec Value
Item number M81R2501
Sales number M81301
Series number OTHER SM CHINA
System voltage 12
kW 3.6
Dimensions in MILLIMETERS
Housing coating RAW
UL Approved No
Pinion teeth 10
Pinion pitch 8/10
Pinion OD  
Pinion at rest 20
Span over 2 teeth 15.67
Flange type SAE J542 Type 1
Flange image
Switch position  
Helper Relay 45
Ignition terminal  
Battery terminal M8X1.25
Ground terminal  
Wetclutch No
Overcrank Protection No
Region Priority / Status
USA / Canada Limited (W)
United Kingdom / Europe Low (C)
Title / Link Description
Truck Application Alternators and Starters Alternators and starter motors for truck applications- UK
PP4039_Truck App Ref Guide-web.pdf (3.6 mb)
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