12V 63-amp Delco 10SI alternator; standard 3-wire system. 2-5/8" x 0.41" x 0.670" ID pulley.
Ideal for vintage or older, ag, and industrial engines.
The Delco 10SI 12-volt alternator is an affordable and proven design much favored in conversions from 6V or more expensive alternators.
- More amps.
- Bright, constant headlights.
- No battery boiling.
- No rotted battery trays.
- No more troublesome external voltage regulator.
LOWER CUT-IN SPEED THAN A ONE-WIRE DELCO 10SI ALTERNATOR. Low speed turn-on is important for low RPM ag and industrial engines. Works with or without an idiot light. Three-wire system eliminates battery drain, has standard replacement parts, and a simple two wire hook-up.
The 62-amp puts out amps at a lower RPM than other size (amperage) 10SI alternators.
Use my DA plug wire harness with the diode and continue using the original on/off key switch. The diode will prevent unwanted ignition feed and a "no shut-off" condition. The DA plug wire harness with a diode provides for the slowest-speed cut-in possible and re-excite every time even after the engine hasn't been run for awhile. Diode is not required with an on/start/run/off ignition switch.
This 10SI alternator is remanufactured. Remanufacturer gives a 1-yr limited warranty. Alternator may vary slightly from the picture.
6V ignition coil: Go to the Universal Voltage Drop Resistor shown in my store and click on the picture of the wiring diagram for use with a 6V ignition coil. Wiring made easy using the DA Wire Harness with the plug and ring terminal matching this alternator.
