MS1-421E - Product Details

  • 3D Photo
    MS1-421E 3D Photo
  • Front Dim Drawing
    MS1-421E Front Dim Drawing
  • Rear Dim Drawing
    MS1-421E Rear Dim Drawing
  • Side Dim Drawing
    MS1-421E Side Dim Drawing
  • Output Curve
    MS1-421E Output Curve
  • Wiring Diagram
    MS1-421E Wiring Diagram
Product Specifications
Spec Value
Item number MS1-421E
Sales number N/A
Series number MS1
System voltage 24
kW 8.3
Dimensions in INCHES
Housing coating PAINTED
UL Approved No
Pinion teeth 11
Pinion pitch 6/8
Pinion OD 2.25
Pinion at rest 1.84
Span over 2 teeth  
Flange type SAE J542 Type 3
Flange image
Switch position 385°
Helper Relay  
Ignition terminal M6
Battery terminal M12X1.75
Ground terminal M12X1.75
Wetclutch Yes
Overcrank Protection No
Private Brand
This product is not available to the general aftermarket. Please contact a distributor near you or contact us for more information
Region Priority / Status
United Kingdom / Europe Not currently available
Product status
Status Number
Superseded by MS1-421
Technical Bulletin
Title / Link Description
MS1 Series Short Frame Service Manual Service manual for the MS1 Series short frame starter motors.
TSM4006_MS1_Short_Frame_Starter_Service_Manual.pdf (1 mb)

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