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10Si Series Alternator

6v 8v 12v 10Si High Output Alternator

Self Exciting Alternators, Positive Ground Alternators, Negative Ground Alternators

What You Will Find On This Page...

This is a special all in one page for the special uses of the Delco Remy type 10si series alternator. On this page you will find 6 volt, 8 volt and 12 volt complete alternators in both positive and negative ground configurations, as well as chrome alternators. You will also find conversion kits to convert an existing 10si or 12si alternators to 6,8 or 12 volt negative or positive ground, and special wide v-belt pulleys for tractors & antique vehicle generator to alternator conversion, also, universal alternator mounting brackets for easy generator to alternator conversion on your tractor or antique vehicle, plus this page has wiring harnesses for the si series alternators. Use the menu to the left to quickly jump to the section you need.

Help On Choosing The Right 10Si Alternator

When choosing a Delco Remy type 10Si model alternator, there are many considerations. First, what is the polarity of your application. Many cars and trucks use a negative ground configuration, where the case has a direct connection to the negative battery post. Tractors and some automobiles use a positive ground, meaning the case has direct contact with the positive post. Positive grounded alternators should be insulated from the vehicle's common ground, if it is negative. Next, a voltage should be chosen. Most cars and trucks again use a 12 volt system, but some tractors may use 6 volts. The 8 volt option is very uncommon outside of a custom applications. All of these voltages have different amperage ratings. Amperage is a function of voltage and the number of windings on the stator, higher voltage and a greater number of windings will produce more power in the form of amperes. Further, you can choose between a standard voltage regulator for direct replacement in a vehicle or a self-exciting voltage regulator for a custom application (What is a Self Exciting Alternator?).

10Si Series 6 Volt Alternators. The 6 Volt 10Si series alternator is great for converting old Ford tractors from generator to alternator charging. Look in the "Mounting Brackets" section to convert this alternator to almost any application.
10Si Series 8 Volt Alternator. Used on some tractors and other applications. The 8 Volt 10Si series alternator may be used to give a 6 volt system a little extra power, but be sure to replace bulbs and gauge lights before switching alternators.
10Si Series 12 Volt Alternators. The most common voltage for the 10Si alternator. Available in SE as well as Standard hookup. Positive and negative bridge rectifiers available.
10Si Series Alternator Conversion Kits. Convert almost any 10Si series alternator into any combination of 6, 8 or 12 volt charging output and Self Exciting (One Wire) or Standard voltage regulator hookup.
10Si Series Wide Belt Pulleys. These V-Belt pulleys allow the 10Si to be used on many types of tractor and farm equipment. The extra wide v-belt pulley comes with an extra long pulley nut.
10Si Series Alternator Accessories. Wiring Adapter and Repair Harnesses for using the 10Si series alternator in stock vehicle applications. Universal Mounting Brackets used with 10Si SE alternators for converting tractors to alternator charging.
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