The Caterpillar 9 M 20 C is an engine rated at 1000 rpm. It powers generator sets from MaK.
Also known as: Caterpillar Motoren (MaK) 9 M 20 C
| Rated speed | 1000 rpm |
|---|
| Code | Meaning |
|---|---|
| 9671.1 | Automatic stop failure - alarm |
| 9671.2 | Overspeed failure - alarm |
| 9674 | Overspeed - alarm |
| 9675 | Emergency stop - alarm |
| 9676 | Common alarm load reduction |
| 9677.2 | Override load reduction activated |
| 9717 | Voltage failure at terminal X3 - alarm |
| 9751 | Voltage failure at charge air temperature controller |
| 9771 | Freshwater preheater voltage failure |
| 9836.1 | Sensor/isolation fault A01 - alarm |
| 9836.2 | Sensor/isolation fault A02 - alarm |
| 9962.1 | Common alarm A01 - alarm |
| 9962.2 | Common alarm A02 - alarm |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
The Caterpillar 9 M 20 C powers 1 generator set(s), including MaK 9 M 20 C.