| Charging circuit without load | Standard amperage: 10 A or less Standard voltage: 13.2 to 14.8 V |
| Charging circuit with load | Standard amperage: 30 A or more |
| Brush length | Standard: 9.5 to 11.5 mm (0.309 to 0.453 in.) Minimum exposed length: 1.5 mm (0.059 in.) |
| Generator rotor for open circuit | Generator rotor for circuit standard resistance: 2.1 to 2.5 Ω at 20°C (68°F) Generator rotor for short circuit standard resistance: 10 kΩ or higher Standard slip ring diameter: 14.2 to 14.4 mm (0.559 to 0.567 in.) Minimum slip ring diameter: 12.8 mm (0.504 in.) |
| Generator w/ vacuum pump | Maximum blacklash: 1.6 mm (0.063 in.) |
| Drive end frame for circuit Drive end frame for ground |
Standard resistance: 1 Ω Standard resistance: 1MΩ |