G3408C and G3412C Engines Caterpillar


Alternator and Regulator

Usage:

G3412 6ZM


Illustration 1g02551257

Table 1
Specification for 298-8838 Charging Alternator Gp 
Item  Qty  Part  Specification Description 
Load the battery with a carbon pile 4C-4911 Battery Load Tester in order to get the maximum alternator output 
3T-6354 Voltage Regulator As  Voltage setting is not adjustable.
Permissible voltage range is 27 to 29 V. 
2K-4821 Locknut  Torque to 102 ± 7 N·m (75 ± 5 lb ft)
9S-2389 Stud As  (B+) terminal. Torque to 13.5 ± 1.3 N·m (119.5 ± 11.5 lb in)
9S-2011 Screw  (B-) terminal. Torque to 6.2 ± 0.6 N·m (55.0 ± 5.0 lb in)
Voltage is 24 V. 
Amperage is 65 amp. 
Polarity is negative ground. 
Rotation is Either direction. 
    Alternator performance at 40 °C (104 °F) 
Maximum turn on speed is 2000 rpm. 
Minimum full load current at 5000 rpm is 66 amp. 
Minimum full load current at 2000 rpm is 24 amp. 
Output voltage is 28 ± 1 V. 

Caterpillar Information System:

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