| Rated Voltage |
24V DC |
| Rated Current |
50A |
| Maximum Overload Current |
55A (short-term, 10-minute duration) |
| Input Rotation Speed Range |
1000–6000 rpm |
| Voltage Regulation Accuracy |
±0.5V (stable output within 23.5V–24.5V range) |
| Internal Structure |
3-phase AC generator + full-wave silicon diode rectifier; built-in electronic voltage regulator |
| Mounting Standard |
Caterpillar proprietary compact flange (direct bolt-on for C4.2 engine in 311D/312D/313D excavators) |
| Pulley Type |
2-groove V-pulley (matches the C4.2 engine’s accessory drive belt for mid-size excavators) |
| Working Temperature Range |
-40°C to +105°C (-40°F to 221°F) |
| Insulation Class |
Class H (resistant to high-temperature engine bay environments) |
| Protection Rating |
IP54 (dust and water-resistant for construction site conditions) |
| Dry Weight |
Approx. 16 kg (35.3 lbs) |
| Compatible Electrical Standards |
Complies with SAE J1171 heavy-duty electrical component requirements |
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