3408C & 3412C INDUSTRIAL ENGINES Caterpillar


Alternator And Regulator

Usage:

7G7889 Alternator (12V 60A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 60A

Minimum full load current at 1500 rpm ... 22A

Output voltage ... 14.0 ± 0.3V

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

(2) Torque for positive terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

(3) Torque for ground terminal nut ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Regulator.

Voltage Setting ... No adjustment

Permissible voltage range ... 13.7 to 14.3V

5N5692 Alternator (24V 45A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 42.3A

Minimum full load current at 2000 rpm ... 15.8A

Output voltage ... 28 ± 1V

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

(2) Torque for positive terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

(3) Torque for ground terminal nut ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Regulator.

Voltage setting ... No adjustment

Permissible voltage range ... 27 to 29V

3T6352 Alternator (24V 35A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 35A

Minimum full load current at 1500 rpm ... 11A

Output voltage ... 28 ± 1V

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

(2) Torque for positive terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

(3) Torque for the ground terminal nut ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Regulator.

Voltage setting ... No adjustment

Permissible voltage range ... 27 to 29V

3E7577 Alternator (24V 75A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 67A

Minimum full load current at 2000 rpm ... 29A

Field current at rated voltage and 27°C (80°F) ... 2.5 to 2.9A

(1) Torque for nut ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Torque for output terminal ... 14 ± 1 N·m (10 ± 1 lb ft)

Torque for the ground terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

Regulator.

Voltage Setting ... No Adjustment

Permissible Voltage Range ... 27 to 29V

3E7892 Alternator (12V 85A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 77A

Minimum full load current at 1500 rpm ... 38A

Output voltage ... 14 ± .5V

(1) Torque for nut ... 102 ± 7 N·m (75 ± 5 lb ft)

(2) Torque for output terminal ... 14 ± 1 N·m (10 ± 1 lb ft)

Torque for the ground terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

Regulator.

Voltage Setting ... No Adjustment

Permissible Voltage Range ... 13.5 to 14.5V

7N9720 Alternator (24V 35A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Clockwise

Minimum full load current at 5000 rpm ... 35A

Minimum full load current at 1500 rpm ... 12A

Output voltage ... 27.5 ± 1.0V

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

(2) Regulator.

Voltage setting ... No adjustment

Permissible voltage range ... 26.5 to 28.5V

(3) Torque for positive terminal nut ... 14 ± 1 N·m (10 ± 1 lb ft)

(4) Torque for ground terminal nut ... 2.4 ± 0.4 (22 ± 3 lb in)

9G4574 Alternator (24V 35A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 35.6A

Minimum full load current at 1500 rpm ... 15.8A

Output voltage ... 28 ± 1V

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

(2) Torque for positive terminal nut ... 14 ± 1 N·m (10 ± 1 lb ft)

(3) Torque for ground terminal nut ... 4.4 ± 1.0 N·m (39 ± 9 lb in)

(4) Regulator.

Voltage setting ... No adjustment

Permissible voltage range ... 27 to 29V

4N3986 Alternator (24V 60A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

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

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

Output voltage ... 27.5 ± 1.0V

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

(2) Torque for output terminal ... 7.1 ± .8 N·m (63 ± 7 lb in)

(3) Regulator.

Voltage Setting ... No Adjustment

Permissible Voltage Range ... 26.5 to 28.5V

4N3987 Alternator (32V 60A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 60A

Minimum full load current at 1500 rpm ... 20A

Output voltage ... 36.6 ± 1.5V

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

(2) Torque for output terminal ... 7.1 ± .8 N·m (63 ± 7 lb in)

(3) Regulator.

Voltage Setting ... No Adjustment

Permissible Voltage Range ... 35.1 to 38.1V

6T1395 Alternator (24V 35A)

NOTE: Load battery with a carbon pile (4C4911 Battery Load Tester) to get maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 27.9A

Minimum full load current at 1500 rpm ... 10.8A

Output voltage ... 28 ± 1V

(1) Shaft nut torque ... 60 ± 7 N·m (44 ± 5 lb ft)

(2) Torque for three small terminal nuts ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(3) Torque for large terminal nut ... 6.2 ± 0.6 N·m (55 ± 5 lb in)

(4) Regulator.

Voltage setting ... No Adjustment

Permissible voltage range ... 27 to 29V

9X7803 Alternator (24V 100A)

NOTE: Load the battery with a carbon pile (4C4911 Battery Load Tester) to get the maximum alternator output.

Polarity ... Negative Ground

Rotation ... Either Direction

Minimum full load current at 5000 rpm ... 94A

Minimum full load current at 2000 rpm ... 9A

Output voltage ... 27.5 ± 1V

(1) Tighten bolt to a torque of ... 6.2 ± .6 N·m (55 ± 5 lb in)

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

(3) Torque for output terminal ... 7.1 ± .8 N·m (63 ± 7 lb in)

(4) Regulator.

Voltage Setting ... No Adjustment

Permissible Voltage Range ... 26.5 to 28.5V

Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.