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BATTERY AND WIRING (1P4784 N/S)--24 Volt--Top View--Rear Half Part 1 of 2 Effective with Serial No. 48J546 7H7290 Switch parts are shown on Page 54. See Page 52A for Wiring Diagram 977K


ELECTRICAL AND STARTING SYSTEM
BATTERY GP
WIRING GP
SWITCH GP
LIGHTING GP

TRACK LOADER 977K TRACK LOADER 48J
 977K TRAXCAVATOR 48J00001-00585 (MACHINE) UEH0138S 977K 48J   (1968)

ELECTRICAL AND STARTING SYSTEM

BATTERY GP
BATTERY AND WIRING
7S-7611 BATTERY AND WIRING
7S-7611 BATTERY AND WIRING
BATTERY AND WIRING
1P-4784 BATTERY AND WIRING
1P-4784 BATTERY AND WIRING
WIRING DIAGRAM
WIRING DIAGRAM
WIRING DIAGRAM
WIRING DIAGRAM
 

#UEH0138S0080
 

1P-4784: BATTERY AND WIRING

BATTERY AND WIRING (1P4784 N/S)--24 Volt--Top View--Rear Half Part 1 of 2
Effective with Serial No. 48J546
7H7290 Switch parts are shown on Page 54. See Page 52A for Wiring Diagram
c135828 UEH0138S
1P4784 BATTERY AND WIRING Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9H-8524 [8] NUT  
  4B-4278 [8] WASHER  
2. 4S-9261 [2] BATTERY  
3. 5S-8405 [12] PLUG  
    (6 in each 4S9261 Battery)
4. 5S-0128 [2] HOLDDOWN  
5. 8M-4972 [1] MAT  
6. 4F-4879 [1] BOLT  
7. 3B-4506 [3] LOCKWASHER  
8. 0S-1620 [1] BOLT  
9. 3B-4508 [5] LOCKWASHER  
10. 2S-1686 [4] "U" BOLT  
11. 1S-0994 [1] CLIP  
12. 3S-6049 [1] TERMINAL ASSEM.  
    (Part of 1S969 Assem.)
13. 4D-2775 [1] CABLE ASSEM.  
14. 2M-0912 [1] TERMINAL  
15. 2M-0913 [1] TERMINAL  
    (Parts of 4D2775 Assem.)
16. 1S-3403 [1] CLIP  
17. 0T-0102 [2] BOLT  
18. 0L-1325 [1] WASHER  
19. 8H-8648 [1] PLATE  
20. 3S-7007 [1] PLATE  
  5S-4783 [1] CABLE ASSEM.  
21. 4S-8783 H CABLE 46"  
22. 1S-7252 [1] TERMINAL  
23. 1S-2244 [2] BOOT  
  1S-4915 [2] LINER  
  1S-6329 [2] TIE  
24. 4S-8732 CONDUIT 35"  
25. 3S-6050 [1] TERMINAL ASSEM.  
26. 2D-8788 [4] BOLT  
  2D-8787 [4] NUT  
    (1 in each 3S6050 & 3S6049 Assem.)
27. 7H-7290 Y [1] SWITCH  
    (See Separate Illustration)
28. 2S-1647 [1] GROMMET  
  5S-0131 [1] CABLE ASSEM.  
29. 4S-8783 H CABLE 16"  
30. 3S-6050 [1] TERMINAL ASSEM.  
31. 3S-6049 [1] TERMINAL ASSEM.  
32. 1D-5117 [6] NUT  
  4B-4280 [2] WASHER  
33. 5S-0129 [4] CLIP ASSEM.  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
 

#UEH0138S0081
 

1P-4784: BATTERY AND WIRING

BATTERY AND WIRING (1P4784 N/S)--24 Volt--Top View--Front Half Part 2 of 2
Effective with Serial No. 48J546
1P972, 1P973 Harness, 9M1305 and 8M7677 Lamp parts are shown on Pages 52C, 53 and 55
See Page 52A for Wiring Diagram
c135829 UEH0138S
1P4784 BATTERY AND WIRING Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-0994 [1] CLIP  
2. 1S-3403 [1] CLIP  
3. 8M-2773 [2] CLIP  
4. 1P-0973 Y [1] HARNESS ASSEM.  
    (See Separate Illustration)
5. 0S-1620 [1] BOLT  
6. 3B-4508 [1] LOCKWASHER  
7. 5K-7088 [1] CABLE ASSEM.  
8. 2M-0912 [2] TERMINAL  
    (Part of 5K7088 Assem.)
9. 1S-0969 [1] CABLE ASSEM.  
  4S-8732 H CONDUIT 107"  
10. 1S-7251 [1] TERMINAL  
11. 4S-8783 H CABLE 115"  
12. 1S-2244 [2] BOOT  
  1S-4915 [2] LINER  
  3S-2093 [2] TIE  
    (Parts of 1S969 Assem.)
13. 5S-4838 [1] WIRE ASSEM.  
14. 1F-7240 [2] TERMINAL  
  7B-4826 [2] INSULATOR  
    (Parts of 5S4838 Assem.)
15. 5S-4839 [1] WIRE ASSEM.  
16. 7F-9224 [2] TERMINAL  
  2D-3981 [2] INSULATOR  
    (Parts of 5S4839 Assem.)
17. 1P-7187 [1] WIRE ASSEM.  
18. 2L-8066 [1] TERMINAL  
19. 6K-9704 [1] TERMINAL  
    (Parts of 1P7187 Assem.)
20. 9M-1305 Y [1] LAMP ASSEM. (R.H.)  
    (See Separate Illustration)
21. 4B-1311 [2] SCREW  
  4B-2049 [2] NUT  
  3B-4502 [2] LOCKWASHER  
22. 4K-5122 [1] HOLDER  
  8M-8948 [1] FUSE  
23. 1F-7307 [1] AMMETER  
24. 7S-6402 [1] SWITCH (Three Position)  
  7S-5432 [1] KNOB  
    (Part of 7s6402 Assem.)
25. 8S-7713 [1] SWITCH ASSEM.  
  8F-3437 [1] LEVER  
  5L-7200 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
    (Parts of 8S7713 Assem.)
26. 5M-2555 [1] CIRCUIT BREAKER  
27. 5M-6668 [2] SCREW  
28. 8M-7677 Y [1] LAMP ASSEM. (L.H.)  
    (See Separate Illustration)
29. 1P-0972 Y [1] HARNESS ASSEM.  
    (See Separate Illustration)
30. 1M-4543 [1] GROMMET  
31. 5S-1680 J [2] BOX  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
  J   TWO 5S1680 BOXES ARE REQUIRED
 

#UEH0138S0082
 

WIRING DIAGRAM

WIRING DIAGRAM--24 Volt System
Serial No. 48J1 to 48J545 inclusive
UEH0138S0082 UEH0138S
None WIRING DIAGRAM Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#UEH0138S0083
 

WIRING DIAGRAM

WIRING DIAGRAM--24 Volt System
Effective with Serial No. 48J546
UEH0138S0083 UEH0138S
None WIRING DIAGRAM Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#UEH0138S0084
 

7S-7641: WIRING HARNESS ASSEMBLY

7S7641 WIRING HARNESS ASSEMBLY
Part of Battery and Wiring shown on Page 50A
c130093 UEH0138S
7S7641 WIRING HARNESS ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2L-8076 [1] TERMINAL  
2. 2L-8066 [3] TERMINAL  
3. 2L-8067 [3] TERMINAL  
4. 1S-2244 [1] BOOT  
5. 2S-5061 [1] PLUG ASSEM.  
6. 4S-8732 CONDUIT (.500" diameter) 2 feet  
7. 1S-6870 [2] LINER  
8. 9M-9661 H [8] TEE  
9. 8S-5782 [2] RING  
10. 4S-7951 [1] CABLE ASSEM.  
11. 2R-1034 [1] SHELL  
  3M-6018 [1] TERMINAL  
  2R-1033 [1] WASHER  
    (Parts of 4S7951 Cable Assem.)
12. 4S-8751 CONDUIT (.375" diameter) 1 foot  
13. 2S-1043 [1] BUTT  
14. 3S-2093 [2] TIE  
15. 4S-8732 CONDUIT (.500" diameter) 3 feet  
16. 2L-8071 [1] TERMINAL  
17. 1S-0945 [1] BOOT  
18. 1S-2320 [1] NUT  
19. 4S-8751 CONDUIT (.375" diameter) 3 feet  
20. 1S-2294 [2] BOOT  
21. 2L-8077 [1] TERMINAL  
22. 8S-5784 [9] RING  
23. 9M-9662 [12] NUT  
24. 1S-4915 [10] LINER  
25. 2S-3163 [1] PLUG  
26. 8S-5783 [2] LINER  
27. 8S-5210 [9] FERRULE  
  H   TWO 9M9661 TEE ARE REQUIRED TO
 

#UEH0138S0085
 

1P-0972: WIRING HARNESS ASSEMBLY

1P972 WIRING HARNESS ASSEMBLY--24 Volt
Effective with Serial No. 48J546
Part of Battery and Wiring and 8S8780
Alternator Arrangement shown on Pages 51 and 122C
c111519 UEH0138S
1P0972 WIRING HARNESS ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [5] TERMINAL  
2. [1] BOOT  
3. [2] LINER  
4. H CONDUIT 24"  
5. [1] TERMINAL  
6. [1] FERRULE  
7. [1] RING  
8. [1] TIE  
9. [1] NUT  
10. [1] BODY  
11. [6] TERMINAL  
  H   ORDER BY THE FOOT
 

#UEH0138S0086
 

1P-0973: WIRING HARNESS ASSEMBLY

1P973 WIRING HARNESS ASSEMBLY--24 Volt
Effective with Serial No. 48J546
Part of Battery and Wiring and 8S8780 Alternator
Arrangement shown on Pages 51 and 122C
c111520 UEH0138S
1P0973 WIRING HARNESS ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-8183 [1] CONNECTOR  
2. 2L-8066 [1] TERMINAL  
3. 2L-8054 [1] TERMINAL  
4. 4S-8732 J CONDUIT 2.75"  
5. 2S-9340 [1] BODY  
6. 4S-8732 J CONDUIT (.500" Diameter) 16"  
7. 1S-6870 [2] LINER  
8. 9M-9661 H [6] TEE  
9. 8S-5782 [2] RING  
10. 4S-7951 [1] CABLE ASSEM.  
11. 2R-1034 [1] SHELL  
  3M-6018 [1] TERMINAL  
  2R-1033 [1] WASHER  
    (Parts of 4S7951 Assem.)
12. 4S-8751 J CONDUIT (.375" Diameter) 11.62"  
13. 2S-1043 [1] BUTT  
14. 3S-2093 [2] TIE  
15. 4S-8732 J CONDUIT (.500" Diameter) 17.50"  
16. 2L-8071 [1] TERMINAL  
17. 1S-0945 [1] BOOT  
18. 1S-2320 [1] NUT  
19. 4S-8751 J CONDUIT (.375" Diameter) 26.25"  
20. 1S-2294 [2] BOOT  
21. 2S-5016 [7] TERMINAL  
22. 8S-5784 [6] RING  
23. 9M-9662 [9] NUT  
24. 1S-4915 [6] LINER  
25. 2S-3163 [1] PLUG  
26. 8S-5783 [2] LINER  
27. 8S-5210 [6] FERRULE  
  H   TWO 9M9661 TEE ARE REQUIRED TO
  J   ORDER BY THE FOOT
 

#UEH0138S0087
 

5S-4835: WIRING HARNESS

5S4835 WIRING HARNESS
Serial No. 48J1 to 48J546 inclusive
Part of Battery and Wiring shown on Page 50A
c126892 UEH0138S
5S4835 WIRING HARNESS Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [4] TERMINAL  
2. [1] BOOT  
3. [2] LINER  
4. CONDUIT 2 feet  
5. [1] FERRULE  
6. [1] RING  
7. [1] TIE  
8. [1] PLUG ASSEM.  
9. [1] NUT  
10. [2] TERMINAL  
 

#UEH0138S0088
 

7H-7290: SWITCH AS-DISCONNECT

7H7290 DISCONNECT SWITCH ASSEMBLY
Part of Battery and Wiring shown on Pages 50 and 50B
c112435 UEH0138S
7H7290 SWITCH AS-DISCONNECT Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8H-5306 [1] KEY  
2. 8H-5303 [1] NUT  
3. 2H-3922 [1] LOCKWASHER  
4. 7F-7259 [4] LOCKWASHER  
5. 6F-7045 [4] NUT  
 

#UEH0138S0089
 

9M-1305: LAMP GP

9M1305 DASH LAMP ASSEMBLY--24 Volt
Part of 7S7611 & 1P4784 Battery and Wiring Groups shown on Pages 50A and 51
c211053 UEH0138S
9M1305 LAMP GP Parts scheme
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9H-4349 [1] SOCKET AND WIRE ASSEM.  
2. 3H-2691 [1] LAMP  
3. 5P-5623 CH WIRE- .20 m(8 in.)  
4. 7F-9224 [2] TERMINAL  
  C   INDICATES CHANGE
  H   ORDER BY THE METER
 

Information:

Truck Engine News
Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2005/01/17
Engine News
Special Instruction
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}
Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}
Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}
Service Letter-NACD
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Brazil
Service Letter-Truck/Ag/Marine
Technical Information Bulletin
Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}
Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}
Process for Communicating an Incident with a Battery{1401}
Process for Communicating an Incident with a Battery{1401}
Tool Operating Manual
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
Service Letter-China
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Service Letter-Asia
Service Letter-APD
Troubleshooting
MID 161 - CID 0168 - FMI 00
Product Link - PL522/523
MID 161 - CID 0168 - FMI 01
Product Link - PL522/523
MID 161 - CID 1251 - FMI 03
Product Link - PL522/523
MID 122 - CID 0168 - FMI 00
Product Link 121S/300
MID 122 - CID 0168 - FMI 01
Product Link 121S/300
MID 122 - CID 1251 - FMI 03
Product Link 121S/300
Disassembly and Assembly
Horn Switch
977L TRACK-TYPE LOADER OPERATOR'S STATION
Disconnect Switch
977L TRACK-TYPE LOADER OPERATOR'S STATION
Batteries
977L TRACK-TYPE LOADER OPERATOR'S STATION
Service Magazine
Maintenance Free Batteries{1401}
1986/03/10
Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07
Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01
Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11
5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23
Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23
Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04
Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04
Testing The Starter On The Engine{1401,1450}
1987/05/04
New Glow Plug Wiring Harness Prevents Short Circuit{1403}
1978/08/07
Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14
Maintenance-Free Batteries Require Different Troubleshooting Procedures{1401}
1988/06/20
Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12
Fuse And Wire Assembly Is Available For Protection Of Earlier 6N5906 Service Meters{7480}
1979/01/29
Shorter Mounting Bolts Used For Glow Plug Wiring{1403,1412}
1979/05/21
New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13
Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22
Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05
Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26
High Performance Maintenance Free Battery Available{1401}
1989/01/16
Limitations On Engine Cranking Time{1453,1401}
1989/03/27
Preventive Maintenance For Batteries{1401}
1989/03/27
Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24
Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01
Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01
Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01
Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19
Wiring Harness Conduit Component Sizes {1408}
1995/02/13
Identification Of External Terminals On Alternators {1405,1406,1400}
1998/12/07
Coolant/Battery Tester Group Quickly Tests Coolant and Battery Acid {0773, 0785}
2005/01/17

Caterpillar Parts SIS Catalog 977K :

7S-7611 BATTERY AND WIRING
BATTERY AND WIRING
7S-7611 BATTERY AND WIRING
9M-1662 ELECTRIC STARTING MOTOR ASSEMBLY
ELECTRIC STARTING MOTOR ASSEMBLY
9M-1662 ELECTRIC STARTING MOTOR ASSEMBLY
9M-1662 ELECTRIC STARTING MOTOR ASSEMBLY
ELECTRIC STARTING MOTOR ASSEMBLY
9M-1662 ELECTRIC STARTING MOTOR ASSEMBLY
SWITCH AS-SOLENOID
4M-1812 SWITCH AS-SOLENOID
STARTING MOTOR GP-ELECTRIC
7S-3622 STARTING MOTOR GP-ELECTRIC
1P-4784 BATTERY AND WIRING
WIRING DIAGRAM
WIRING DIAGRAM
WIRING DIAGRAM
WIRING DIAGRAM
WIRING HARNESS ASSEMBLY
7S-7641 WIRING HARNESS ASSEMBLY
WIRING HARNESS ASSEMBLY
1P-0972 WIRING HARNESS ASSEMBLY
WIRING HARNESS ASSEMBLY
1P-0973 WIRING HARNESS ASSEMBLY
WIRING HARNESS
5S-4835 WIRING HARNESS
SWITCH AS-DISCONNECT
7H-7290 SWITCH AS-DISCONNECT

Truck sale:

Caterpillar 977K, Construction
10,250 USD 
Caterpillar 977K, Construction
- track loaders
CLEVELAND BROTHERS EQUIPMENT COMPANY INC
Caterpillar 977K, Construction
9,500 
Caterpillar 977K, Construction
- track loaders
MICHIGAN CAT
CATERPILLAR 977K 1969
 
CATERPILLAR 977K 1969
- TRACK LOADERS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
3508 - 1974 CAT 977K
 
3508 - 1974 CAT 977K

avspare
1970 CAT 977K
USD $9,500 
1970 CAT 977K

WEACO EQUIPMENT
Womelsdorf, Pennsylvania
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AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.