The DelStar Series, heavy duty brushless alternators are an integral charging system of an innovative design. The compact, heavy duty construction provides efficiency and increased service life expected to match the longer maintenance intervals of today’s engines, while providing a performance level without parallel.


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8700091

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Manufacturer/CompetitorDelco Remy DelStar Upgrade
Part No.8700091 1400-40290
Series50DN+ 400
DesignOil Cooled Brushless Brushless
MountCradle CRADLE
Volts24 24
Amps @ 2000 RPM (Rotor) 270A 300A
Amps @ 6000 RPM (Rotor) 450A 475A
GroundNegative Negative
RegulatorRemote Remote
Pulley- No
Product Specs. 1400-40290"
Technical Bulletin

The DelStar alternators are extremely efficient and high amperage output. Ensure alternator cables are adequate to handle the alternator output current. Voltage drop between Alternator B+ (Output Terminal) and Battery B+ (Positive Terminal) should not exceed 0.5 Volts drop at full alternator output.

Connections:
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NOTICE: Specifications and connections provided are believed to be correct at the time of publication.
Verify connections before replacing the unit.