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MDP3939H-P - Product Details

  • 3D Photo
    MDP3939H-P 3D Photo
  • Front Dim Drawing
    MDP3939H-P Front Dim Drawing
  • Rear Dim Drawing
    MDP3939H-P Rear Dim Drawing
  • Side Dim Drawing
    MDP3939H-P Side Dim Drawing
  • Top Dim Drawing
    MDP3939H-P Top Dim Drawing
  • Output Curve
    MDP3939H-P Output Curve
  • Wiring Diagram
    MDP3939H-P Wiring Diagram
Product Specifications
Spec Value
Item number MDP3939H-P
Sales number N/A
Series number MDA/P
Special Note Conditions Of Usage
Warning: Prestolite Products are not approved for Aviation applications!
Notes CUSTOMER NO. X57521300010
System voltage 24
Output 55
Mounting style PAD
Dimensions in N/A
Housing coating RAW
UL Approved No
Positive stud size M8
Negative stud size M6
Rectifier location INTERNAL
Shaft diameter 22 MM
Excitation type Self Excite
Regulator location Integral
Regulator number 8RG3119
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
Similar Product
Although this is a private branded unit, we have another model that is equivalent to MDP3939H-P
861086 Same But No Pulley
Region Priority / Status
USA / Canada Very low (D)
United Kingdom / Europe Limited (W)
Product status
Status Number
Equivalent to 861086
Technical Bulletins
Title / Link Description
MDA-MDP Hardware Kit Hardware Kit for the MDA-MDP series alternators service parts
TSB-3019_MDA-MDP_Hardware.pdf (698 kb)
Remote regulator conversion for MDA-MDP models This TSB covers the procedure for converting an internal regulated alternator to use an external regulator.
TSB-1116_MDA_MDP remote reg conversion.pdf (1.3 mb)
Parts Breakdown
Title / Link Description
MDA-MDP service parts list SP1018 service parts list for MDA/MDP alternators
SP1018_MDA-MDP_parts_list_web.pdf (1.4 mb)
Numbers Our Customers Use
CompanyPart number
MTU AMERICA INC X57521300010
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