6Y0591 GEAR Caterpillar parts
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
Rating:
Alternative (cross code) number:
CA6Y0591
6Y-0591
6Y0591
CA6Y0591
6Y-0591
6Y0591
Weight: 9 pounds 4 kg.
MOTOR GRADER,
Compatible equipment models: 6Y0591:
Information:
Illustration 1 g03843570
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Determine if a code is active or logged.
Codes
Result: A -3 code is active or logged.
Proceed to Test Step 2.
Result: A -4 code is active or logged.
Proceed to Test Step 3.
Result: A -8 code is active or logged.
Proceed to Test Step 5.
2. Create a Short at the Sensor Connector
A. Turn the keyswitch to the OFF position.
B. Disconnect the sensor with the active -3 code.
C. Install the jumper wire between the following terminals at the sensor connector:
- Pin 2 (sensor return) and Pin 3 (sensor signal)
D. Connect Cat ET.
E. Use Cat ET to monitor the following:
- -4 code
F. Turn the keyswitch to the OFF position.
Create a Short
Result: A -4 code became active.
Repair: The wiring harness is OK. Replace the sensor.
Verify that the repair eliminated the problem.
Result: A -4 code did not become active.
Proceed to Test Step 4.
3. Create an Open at the Sensor Connector
A. Turn the keyswitch to the OFF position.
B. Disconnect the sensor with the active -4 code.
C. Connect Cat ET.
D. Use Cat ET to monitor the following:
- -3 code
E. Turn the keyswitch to the OFF position.
Create an Open
Result: A -3 code became active.
Repair: The wiring harness is OK. Replace the sensor.
Verify that the repair eliminated the problem.
Result: A -3 code did not become active.
Proceed to Test Step 4.
4. Check the 8 VDC Supply Voltage at the Sensor Connector
A. Turn the keyswitch to the ON position.
B. Measure the voltage at the following pin locations of the affected sensor connector:
- Pin 1 and Pin 2
C. Reconnect the sensor.
Supply Voltage
Result: The supply voltage is approximately 8.0 0.2 VDC
Proceed to Test Step 8.
Result: The supply voltage is not approximately 8.0 0.2 VDC.
Repair: There is a short in the wiring harness to the battery. Repair or replace the wiring harness.
If the problem is not resolved, proceed to Test Step 5.
5. Check the PWM Circuit for an Open Circuit
A. Turn the keyswitch to the OFF position.
B. Disconnect the sensor with the active -8 code.
C. Disconnect the J2 connector at the ECM.
D. Measure the resistance between the following locations for the sensor:
- Pin 3 (sensor connector) and the appropriate PWM signal wire on the ECM connector
Open Circuit
Result:
Cat SIS web machinery list:
Parts gear Caterpillar catalog:
7C3179
GEAR
120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 135H, 135H NA, 140K, 140K 2, 160K, 3114, 3116, 3126, 3126B, 3126E, 550, 570, 570B, 580, 580B, 613C II, 815B, 938G, 950F, 950F II, 950G, 962G, C-9, C7, C9, CX...
120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 135H, 135H NA, 140K, 140K 2, 160K, 3114, 3116, 3126, 3126B, 3126E, 550, 570, 570B, 580, 580B, 613C II, 815B, 938G, 950F, 950F II, 950G, 962G, C-9, C7, C9, CX...
4P7828
GEAR AS-OIL IDLER
12H NA, 140G, 140H NA, 160H, 160H ES, 160H NA, 3306C, 330B, 350, 639D, 973, 973C, D6H, D6H XL, D6H XR, D6R, D7H, G3306
12H NA, 140G, 140H NA, 160H, 160H ES, 160H NA, 3306C, 330B, 350, 639D, 973, 973C, D6H, D6H XL, D6H XR, D6R, D7H, G3306
2102266
GEAR-LOCK
120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 143H, 14H, 14H NA, 14M, 160H, 160H ES, 160H...
120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 143H, 14H, 14H NA, 14M, 160H, 160H ES, 160H...
8D8639
GEAR-RING
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
8D8634
GEAR-PLANETARY
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 135H, 135H NA
7D7889
GEAR-RING
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
6G5533
GEAR-WORM
120G, 120H, 120H ES, 120H NA, 120M, 12G, 12H, 12H ES, 12H NA, 12M, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA
120G, 120H, 120H ES, 120H NA, 120M, 12G, 12H, 12H ES, 12H NA, 12M, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA
1067130
GEAR-WORM
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA
1292381
GEAR-PLANETARY
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
8E1913
GEAR AS
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H
9N4161
GEAR AS-OIL PUMP
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
9N4162
GEAR AS-OIL PUMP
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
9N4158
GEAR
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
9N4162
GEAR AS-OIL PUMP
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
9N4161
GEAR AS-OIL PUMP
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
1691549
GEAR-BEVEL
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
1094583
GEAR-BEVEL
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
1094582
GEAR-BEVEL
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
12H, 12H ES, 12H NA, 12K, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
8E1912
GEAR AS
120H, 135H, 135H NA, 160H, 160H ES, 160H NA, 163H NA
120H, 135H, 135H NA, 160H, 160H ES, 160H NA, 163H NA
8E1911
GEAR AS
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
6Y0983
GEAR
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
6Y1001
GEAR
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
120H, 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 135H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 160H, 160H ES, 160H NA, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA
6Y1008
GEAR
143H, 163H, 163H NA
143H, 163H, 163H NA
6Y0590
GEAR
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA
120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12H ES, 12H NA, 12K, 135H, 135H NA, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA