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M81R3001 - Heavy Duty Starter Motor

  • Front Dim Drawing
    M81R3001 Front Dim Drawing
  • Rear Dim Drawing
    M81R3001 Rear Dim Drawing
  • Side Dim Drawing
    M81R3001 Side Dim Drawing
  • Output Curve
    M81R3001 Output Curve
  • Wiring Diagram
    M81R3001 Wiring Diagram
Product Specifications
Spec Value
Item number M81R3001
Sales number M81401
Series number OTHER SM CHINA
System voltage 24
kW 4.5
Dimensions in MILLIMETERS
Housing coating RAW
UL Approved No
Pinion teeth 10
Pinion pitch MOD3
Pinion OD  
Pinion at rest 47.5
Span over 2 teeth 15.67
Flange type SAE J542 Type 1
Flange image
Switch position  
Helper Relay  
Ignition terminal M5
Battery terminal M10X1.5
Ground terminal  
Wetclutch No
Overcrank Protection No
Similar Product
We have another model that is equivalent to M81R3001
Region Priority / Status
USA / Canada Very low (D)
United Kingdom / Europe Low (C)
Product status
Status Number
Equivalent to M81R3001-VPP
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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