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A0014742JB - High Output Alternator

  • 3D Photo
    A0014742JB 3D Photo
  • Front Photo
    A0014742JB Front Photo
  • Rear Photo
    A0014742JB Rear Photo
  • Side Photo
    A0014742JB Side Photo
  • Front Dim Drawing
    A0014742JB Front Dim Drawing
  • Rear Dim Drawing
    A0014742JB Rear Dim Drawing
  • Side Dim Drawing
    A0014742JB Side Dim Drawing
  • Output Curve
    A0014742JB Output Curve
  • Wiring Diagram
    A0014742JB Wiring Diagram
  • Label
    A0014742JB Label
Product Specifications
Spec Value
Item number A0014742JB
Sales number 4742JB
Series number 4800-4900
Special Note Conditions Of Usage
Warning: Prestolite Products are not approved for Aviation applications!
Notes New, Ignition Excite/ Multipower technology for multiple alternator applications.
Fix circle (Mount): 108mm
Fix circle (Adjuster): 108mm
Bracket angle: 0°
Cut in speed: 1300, Max speed: 8000
Weight: 14.51kg
System voltage 24
Output 200
Mounting style J-180
Dimensions in INCHES
Housing coating RAW
UL Approved No
Mounting bolt size .517-.522
Mounting ear size 1/2-13
Mounting holes 1
Positive stud size 5/16-18
Negative stud size 3/8-16
Rectifier location INTERNAL
Shaft diameter 7/8 INCH
Excitation type Ignition Excite
Regulator location Integral
Regulator number R240104356
Diode trio No
Pulley required No
Lamp driver No
Adjustable regulator No
Remote sense No
Smart check No
Batteryless No
Similar Product
We have another model that is equivalent to A0014742JB
Region Priority / Status
USA / Canada Limited (W)
United Kingdom / Europe Low (C)
Product status
Status Number
Equivalent to A0014744JB
Technical Bulletins
Title / Link Description
4000 Series Maintenance Manual Service manual for the 4000 series alternators with internal regulators and rectifiers
TSM1001_4000_Series_Int_Reg_and_Rectifier_Service-Manual.pdf (5.8 mb)
4000 Series Maintenance Manual - French Language Version French version of the 4000 Series internal regulator and rectified alternators service manual.
TSM1001_FR_4000_Series_Int_Reg_and_Rectifier_Service-Manual.pdf (5.9 mb)
4800 J180 Hardware Kit Hardware service kit for 4800 J180 series alternators.
TSB-3006_4800J180-hardware.pdf (1.3 mb)
Troubleshooting guide - MultiPower Alternators Trouble shooting on the 4993PA, 4974PA, 4742JB alternators.
TSB-1056_Troubleshooting-4993-4974-4742.pdf (584 kb)
Wire Identification Chart For R240 Regulators Wire Identification chart for R240 Regulators for 4800-4900 series alternators
TSB-1134_R240_Regulator_Wire_ID_Chart.pdf (76 kb)
Wiring Diagram - MultiPower Alternators Wiring diagram for 4993PA, 4974PA, 4742JB installation.
TSB-1055_Wiring_dia-4993-4974-4742.pdf (226 kb)
Parts Breakdown
Title / Link Description
4000 Series J180 Mount Service Parts List Service parts list for 4000 series alternators utilizing the 12 diode rectifier systems.
SP1008-4000-J180-parts-list-web.pdf (2.2 mb)
Title / Link Description
4000 Series High Amp Alternators 4000 Series High Amp alternators for all applications.
FL1165_4000_Series_Alternator_Flyer.pdf (645 kb)
Multi-Power Alternator System New Multi-Power Alternator System that allows use of multiple alternators utilizing the new Multi-Power Regulator.
PG1011_Multi-Power_System.pdf (582 kb)
Numbers Our Customers Use
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