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1277A700 - High Output Alternator

  • Front Dim Drawing
    1277A700 Front Dim Drawing
  • Rear Dim Drawing
    1277A700 Rear Dim Drawing
  • Side Dim Drawing
    1277A700 Side Dim Drawing
  • Output Curve
    1277A700 Output Curve
  • Wiring Diagram
    1277A700 Wiring Diagram
Product Specifications
Spec Value
Item number 1277A700
Sales number N/A
Series number AC172R/RA/TRA
Notes 172 mm frame
New, 12.3, 12.38(sliding bush), M12
Fix circle (Mount): 120mm
Fix circle (Adjuster): 120mm
Bracket angle: -60°
Cut in speed: 990, Max speed: 8000
Weight: 15.0kg
System voltage 24
Output 155
Mounting style SWUNG
Dimensions in N/A
Housing coating RAW
UL Approved No
Positive stud size M8
Negative stud size M8
Rectifier location INTERNAL
Shaft diameter 30 MM
Excitation type  
Regulator location Integral
Regulator number AC172
Diode trio Yes
Pulley included No
Lamp driver Yes
Adjustable regulator No
Remote sense No
Smart check No
Batteryless No
Region Priority / Status
USA / Canada Very low (D)
United Kingdom / Europe Medium (B)
Parts Breakdown
Title / Link Description
AC172 Service Parts List Service parts list for AC172RA-TRA series alternators
SP4007_AC172RA-TRA_Series.pdf (1.8 mb)
Title / Link Description
AC172 Motor Coach Alternators AC172TRA Series alternators for Motor Coach applications.
FL1157_AC172TRA_Flyer.pdf (1.9 mb)
AC172RA Alternator Series AC172RA alternator series replacements for Bosch T1 alternators.
FL4185_4_AC172RA.pdf (1.1 mb)
Bus and Coach Application Catalogue Bus and coach application catalogue for alternators and starter motors.
PP4042_BusCoach Catalogue.pdf (7.6 mb)
Numbers Our Customers Use
CompanyPart number
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