3208 MARINE ENGINE Caterpillar


Electric Starter Motor

Usage:

8C3643 (12V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 6900 ± 1800 rpm

Current draw ... 127.5 ± 27.5A

Voltage ... 11V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 31 lb in)

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

(3) Torque for motor frame terminal ... 8 ± 3 N·m (70 ± 26 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 10V ... 92.5 ± 7.5A

Hold in windings at 10V ... 23A

8C3646 (12V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 6650 ± 1150 rpm

Current draw ... 100 to 170A

Voltage ... 11V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 31 lb in)

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

(3) Torque for motor frame terminal ... 8 ± 3 N·m (70 ± 26 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 5V ... 34 to 46A

Hold in windings at 10V ... 16.5 to 20A

9G4339 (24V);

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 7643 ± 1683 rpm

Current draw ... 67.5 ± 7.5A

Voltage ... 23V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

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

(3) Torque for motor frame terminal ... 8 ± 3 N·m (70 ± 26 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 20V ... 56.5 ± 4.5A

Hold in windings at 20V ... 16.5 to 20A

8C4090 (24V)

Rotation as viewed from drive end ... Counter Clockwise

No load conditions at 25°C (77°F):

Speed ... 7643 ± 1683 rpm

Current draw ... 67.5 ± 7.5A

Voltage ... 23V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

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

(3) Torque for motor frame terminal ... 8 ± 3 N·m (70 ± 26 lb in)

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 20V ... 56.5 ± 4.5A

Hold in windings at 20V ... 14.6A

7T2266 (12V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 5500 rpm max

Current draw ... 200A max

Voltage ... 12V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 31 lb in)

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

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 12V ... 14.6A

7T2266 (12V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 5500 rpm max

Current draw ... 200A max

Voltage ... 12V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 31 lb in)

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

Solenoid

Current consumption (draw) at 25°C (77°F):

Pull in windings at 12V ... 92A

Hold in windings at 12V ... 16A

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