| Generator brush holder assembly brush exposed length | Standard exposed length | 9.5 to 11.5 mm (0.374 to 0.453 in.) |
| Minimum exposed length | 4.5mm (0.177 in.) | |
| Generator rotor assembly resistance | Slip ring - Slip ring | 1.85 to 2.25 Ω at 20°C (68°F) |
| Slip ring - Rotor | 10 MΩ or higher | |
| Generator rotor assembly slip ring diameter | Standard diameter | 14.2 to 14.8 mm (0.559 to 0.582 in.) |
| Minimum diameter | 14.0 mm (0.551 in.) |