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MS1-300A - Heavy Duty Starter Motor

  • Front Dim Drawing
    MS1-300A Front Dim Drawing
  • Rear Dim Drawing
    MS1-300A Rear Dim Drawing
  • Side Dim Drawing
    MS1-300A Side Dim Drawing
  • Output Curve
    MS1-300A Output Curve
  • Wiring Diagram
    MS1-300A Wiring Diagram
  • Label
    MS1-300A Label
Product Specifications
Spec Value
Item number MS1-300A
Sales number N/A
Series number MS1
System voltage 24
kW 7.5
Dimensions in INCHES
Housing coating PAINTED
UL Approved No
Pinion teeth 11
Pinion pitch 6/8
Pinion OD 2.25
Pinion at rest 1.843
Span over 2 teeth 14.50
Flange type SAE J542 Type 3
Flange image
Switch position 82.5°
Helper Relay  
Ignition terminal M6
Battery terminal M12X1.75
Ground terminal M12X1.75
Wetclutch Yes
Overcrank Protection No
Region Priority / Status
USA / Canada Not currently available - Superseded
United Kingdom / Europe Not currently available - Superseded
Product status
Status Number
Superseded by MS1-400A
Cross Reference Numbers
CompanyPart numberComment
CUMMINS 070733000RX  
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