3406C INDUSTRIAL & MARINE ENGINES Caterpillar


Electric Starting Motor

Usage:

6V0927 (24V), 6V0885 (24V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 6950 ± 1650 rpm

Current draw ... 115 ± 25A

Voltage ... 23V

Clearance between pinion and housing (pinion clearance) ... 9.1 mm (.36 in)

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 30 lb in)

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

(3) Torque for screws holding nose housing to lever housing ... 20.3 ± 2.7 N·m (15 ± 2 lb ft)

Solenoid

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

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

Hold-in windings at 20V ... 6.8A maximum


Illustration 1


Illustration 2

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)

Minimum speed with no load ... 6900 ± 1800 rpm

Maximum current with no load ... 127.55 ± 27.5 amp

Voltage ... 11V

(1) Battery terminal

A maximum of three cable or wire terminals should be between the nuts.

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

(2) Ground terminal

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

(3) Ground terminal

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

(4) Motor terminal

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

(5) Switch terminal

The wire terminal that is on the switch terminal must be insulated with heat shrink tubing. Do not use molded terminals.

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

(6) Motor frame terminal

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

Solenoid

Current draw at 10 V and 25°C (77°F)

Pull-in windings ... 92.5 ± 7.5 Amp

Hold-in windings ... 23 Amp maximum

8C3644 (24V), 8C3449 (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 (270 ± 30 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 20V ... 56.5 ± 4.5A

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

7T0794 (24V), 7T0795 (24V)

Rotation as viewed from drive end ... Clockwise

No load conditions at 25°C (77°F):

Speed ... 5500 rpm minimum

Current draw ... 140A maximum

Voltage ... 24V

(1) Torque for large terminal nuts ... 30.5 ± 3.5 N·m (270 ± 30 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 24V ... 51A

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

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.