1278620M - Product Details

  • Front Dim Drawing
    1278620M Front Dim Drawing
  • Rear Dim Drawing
    1278620M Rear Dim Drawing
  • Side Dim Drawing
    1278620M Side Dim Drawing
  • Output Curve
    1278620M Output Curve
  • Wiring Diagram
    1278620M Wiring Diagram
Product Specifications
Spec Value
Item number 1278620M
Sales number N/A
Series number AB172R
Notes B1+, B2+, SWUNG MOUNT
System voltage 24
Output 110
Dimensions in MILLIMETERS
Housing coating PAINTED
UL Approved No
Positive stud size M6X1
Negative stud size .25"BLADE
Rectifier location  
Shaft diameter  
Excitation type  
Regulator location  
Regulator number  
Diode trio No
Pulley included No
Lamp driver No
Adjustable regulator No
Remote sense No
Smart check No
Batteryless 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
USA / Canada Not currently available - Discontinued
United Kingdom / Europe Limited (X)
Technical Bulletin
Title / Link Description
AB172R Alt Series Service Manual Service manual for the AB172RL series alternators.
TSM4012_AB172R_Alt_Family_Service_Manual.pdf (5.8 mb)
Numbers Our Customers Use
CompanyPart number

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