G3408 and G3412 Engines Caterpillar


Alternator and Regulator

Usage:

G3408 6NB

4N-3986 Alternator




Illustration 1g00286493



Illustration 2g00278496

Voltage ... 24

Amperage ... 60 Amp

Note: Load the battery with a carbon pile 4C-4911 Battery Load Tester in order to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 54 Amp

Minimum full load current at 1500 rpm ... 19 Amp

Output voltage ... 28 ± 1.0 V

(1) Shaft nut torque ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Torque for output terminal ... 7.1 ± 0.8 N·m (63 ± 7 lb in)

(3) 3T-6352 Alternator

Voltage setting ... No adjustment

Permissible voltage range ... 26.5 to 28.5 V

Caterpillar Information System:

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