3406E and 3456 Industrial Engines Caterpillar

Illustration 1	g00286672

Illustration 2	g00286673

8C-3649 Electric Starting Motor

8C-3644

When the electric starting motor is viewed from the drive end, the motor rotates in the following direction. ... Clockwise

No load conditions at 25°C (77°F)

Speed ... 7643 ± 1683 rpm

Current draw ... 67.5 ± 7.5 amp

Voltage ... 23 V

(1) Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Tighten the nut on the ground terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Tighten the nut on the ground terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Tighten the nut on the switch terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Tighten the nut on the motor frame terminal to the following torque. ... 8 ± 3 N·m (71 ± 27 lb in)

9X-9511 Solenoid Assembly

Current consumption at 25°C (77°F)

Pull-in windings at 20V ... 56.5 ± 4.5 Amp

Hold-in windings at 20V ... 14.6 Amp

Illustration 3	g00286676

Illustration 4	g00286677

7T-0794 Electric Starting Motor

7T-0795 Electric Starting Motor Group

When the electric starting motor is viewed from the drive end, the motor rotates in the following direction. ... Clockwise

No load conditions at 25°C (77°F)

Speed ... 5500 rpm minimum

Current draw ... 140 Amp maximum

Voltage ... 24 V

(1) Tighten the nut on the ground terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Tighten the nut on the ground terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Tighten the nut on the switch terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Tighten the nut on the motor frame terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

9X-0332 Solenoid Kit

Current consumption at 25°C (77°F)

Pull-in windings at 24V ... 51 Amp

Hold-in windings at 24V ... 7 Amp

Illustration 5	g00282453

Illustration 6	g00282454

9X-4452 Electric Starting Motor

When the electric starting motor is viewed from the drive end, the motor rotates in the following direction. ... Clockwise

No load conditions at 25°C (77°F)

Speed ... 3300 rpm minimum

Current draw ... 80 Amp maximum

Voltage ... 23.5 V

(1) Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Tighten the nut to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Tighten the nut on the ground terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(4) Tighten the nut on the switch terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(6) Tighten the nut on the motor frame terminal to the following torque. ... 17.5 ± 2.5 N·m (13 ± 2 lb ft)

3E-0135 Solenoid Assembly

Current consumption at 25°C (77°F)

Pull-in windings at 24V ... 103 Amp

Hold-in windings at 24V ... 19 Amp

Illustration 7	g00391479

6V-0927 Electric Starting Motor

When the electric starting motor is viewed from the drive end, the motor rotates in the following direction. ... Clockwise

No load conditions at 25°C (77°F)

Speed ... 6950 ± 1650 rpm

Current draw ... 115 ± 25 amp

Voltage ... 23 V

(1) Tighten the nut on the ground terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(2) Tighten the nut on the battery terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

(3) Tighten the nut on the ground terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Tighten the nut on the switch terminal to the following torque. ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(5) Tighten the nut on the motor terminal to the following torque. ... 30.5 ± 3.5 N·m (22 ± 3 lb ft)

125-6533 Solenoid Assembly

Current consumption at 25°C (77°F)

Pull-in windings at 20V ... 49.3 ± 3.3 Amp

Hold-in windings at 20V ... 6.8 Amp