C9 Marine Engines and C9 Marine Generator Sets Caterpillar


Alternator and Regulator

Usage:

C9 C9B



Illustration 1g01093172



Illustration 2g01093174

Nominal voltage ... 12 V

Amperage ... 160 Amp

Note: This is the maximum output capacity of the alternator. The maximum output capacity occurs at 5000 rpm alternator speed. If the alternator is operated at lower speeds, the output will be lowered.

Polarity ... Insulated negative ground

Rotation ... Either direction

The minimum full load current at 5000 rpm ... 144 Amp

The minimum full load current at 1500 rpm ... 53 Amp

Output voltage ... 14 ± 0.5 V

Maximum continuous speed ... 6000 rpm

(1) Pulley nut

Torque ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Positive battery terminal ... 12 ± 1 N·m (105 ± 5 lb in)

(3) Negative battery terminal ... 9 ± 1 N·m (80 ± 5 lb in)

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