Identification & Specifications
Alternator is color-ink stamped with "Motorcraft" trademark. Color stamp is code for rated amperage output. Rated amperage is also stamped on end frame (40A, 60A, etc.). Color code is as follows:
ALTERNATOR OUTPUT
| Application | Amperage @ 15V | Rated Output (Engine RPM) | ||
|---|---|---|---|---|
| Orange | 40 | 2900 | ||
| Green | 60 | 2900 | ||
| Green | 65 | 2900 | ||
| Black | 70 | (1) 1640 | ||
| Red | 100 | (1) 2900 | ||
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ALTERNATOR SPECIFICATIONS
| Alternator | Specification | |
|---|---|---|
| Field Current at 12 Volts (All) | 4.0 Amps | |
| Slip Rings (All) | ||
| Minimum Diameter | 1.22" | |
| Maximum Runout | .0005" | |
| Brush Length Wear Limit | ||
| 40 Amp | 5/16" | |
| 60 Amp | 5/16" | |
| 65 Amp | 3/16" | |
| 70 Amp | 1/4" | |
| 100 Amp | 1/4" | |
| Pulley Nut Torque (All) | 60-100 ft.lbs. (8-136 N.m) | |