POWER TRAIN
PUMP GPSHAFT GP
TRANSMISSION GP
CONTROL GP-TRANSMISSION HYD
VALVE GP
VALVE GP-SELECTOR
TRANSMISSION GP
POWER TRAIN
PUMP GP#UE0700400070
5M-7864: PUMP GP-SCAVENGE
5M7864 SCAVENGE PUMP GROUP
PART OF TORQUE CONVERTER SHOWN ON PAGE 61
PART OF TORQUE CONVERTER SHOWN ON PAGE 61
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5M-5013 | [1] | COVER ASSEM. | |
| 2. | 4H-9705 | [2] | BEARING | |
| 3. | 5M-4987 | [2] | DOWEL | |
| 4. | 5M-9531 | [4] | RING | |
| 5. | 4M-5890 | [1] | SHAFT | |
| 6. | 1B-8705 | [2] | KEY | |
| 7. | 4M-0410 | [2] | GEAR (10 Teeth) | |
| 8. | 0S-1571 | [2] | BOLT (1.75" long) | |
| 9. | 0L-0364 | [4] | LOCK | |
| 10. | 0S-1590 | [2] | BOLT (2" long) | |
| 11. | 4M-5857 | [1] | BODY ASSEM. | |
| 12. | 4H-9705 | [2] | BEARING | |
| 13. | 4M-5889 | [1] | SHAFT |
#UE0700400071
4S-6317: UNIVERSAL JOINT ASSEMBLY
4S6317 UNIVERSAL JOINT ASSEMBLY
PART OF TORQUE CONVERTER SHOWN ON PAGE 60
PART OF TORQUE CONVERTER SHOWN ON PAGE 60
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS#UE0700400072
3S-2706: RANGE TRANSMISSION ARRANGEMENT
3S2706 RANGE TRANSMISSION ARRANGEMENT
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE
PLANETARY TRANSMISSION, TRANSFER GEARS AND 8M8551 RELIEF VALVE GROUP PARTS ARE SHOWN ON
PAGES 68 THROUGH 71
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE
PLANETARY TRANSMISSION, TRANSFER GEARS AND 8M8551 RELIEF VALVE GROUP PARTS ARE SHOWN ON
PAGES 68 THROUGH 71
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1D-4717 | [14] | NUT | ||
| 3B-4506 | [14] | LOCKWASHER | ||
| 5M-7908 | [1] | PLUG ASSEM. | ||
| 3J-1907 | [1] | SEAL | ||
| (PART OF PLUG ASSEM. 5M7908) | ||||
| 5M-9653 | [1] | COVER | ||
| 5M-9654 | [1] | GASKET | ||
| 1D-4717 | [4] | NUT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 7M-7794 | [4] | STUD | ||
| (PART OF COVER ASSEM. 9M2053) | ||||
| Y | [1] | PLANETARY GROUP | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| Y | [1] | GEAR GROUP | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 9M-2053 | [1] | COVER ASSEM. | ||
| 7M-1324 | [1] | FITTING | ||
| (PART OF COVER ASSEM. 9M2053) | ||||
| 9M-2051 | [1] | GASKET | ||
| 5M-2477 | [1] | PLATE | ||
| (GROUP NUMBER) | ||||
| 7B-3028 | [2] | SCREW | ||
| Y | [1] | CONTROL GROUP | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 2S-0486 | [1] | SLEEVE | ||
| 8M-8621 | [1] | GASKET | ||
| 8M-4437 | [2] | SEAL | ||
| 8M-8551 Y | [1] | VALVE GROUP | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 0S-1619 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 8M-4437 | [1] | SEAL | ||
| 2S-4957 | [1] | SLEEVE | ||
| Y | SEPARATE ILLUSTRATION | |||
#UE0700400073
8M-6350: CONTROL GP-TRANSMISSION HYD
8M6350 TRANSMISSION HYDRAULIC CONTROL GROUP
Part of 3S2706 Range Transmission Arrangement
8M6349 Pressure Control, 8M6347 and 8M6348 Valve parts are shown on Pages 66 and 67
Part of 3S2706 Range Transmission Arrangement
8M6349 Pressure Control, 8M6347 and 8M6348 Valve parts are shown on Pages 66 and 67
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9H-0223 | [2] | SEAL-LIP (EXHAUST) | |
| 2. | 8M-1040 | [2] | DETENT AS | |
| (EACH INCLUDES) | ||||
| 3. | 9M-2022 | [2] | DOWEL | |
| 4. | 1A-1460 | [2] | BOLT (1/2-13X2IN) | |
| 1D-5117 | [2] | NUT-JAM (1/2-13 THD) | ||
| 3B-4508 | [2] | LOCKWASHER (3.MM THK) | ||
| 5. | 4B-4280 | [2] | WASHER (2.5MM THK) | |
| 6. | 9S-5222 | [2] | SPACER | |
| 7. | 8M-8653 | [1] | CAM-DETENT | |
| 8. | 1B-4203 | [2] | NUT-FULL (1/2-13X2IN) | |
| 9. | 5M-2894 | [9] | WASHER (2.5MM THK) | |
| 10. | 7M-5915 | [3] | LOCKPIN | |
| 11. | 9M-2020 | [1] | SHAFT-GOVERNOR CONTROL | |
| 12. | 9M-2089 | [1] | DOWEL | |
| 13. | 2S-0484 | [3] | SLEEVE | |
| 8M-4389 | [6] | SEAL-O-RING | ||
| 14. | 8M-8636 | [1] | LEVER | |
| 15. | 9M-2096 | [1] | DOWEL | |
| 16. | 8M-4448 | [2] | SEAL-O-RING | |
| 17. | 8P-7791 Y | [1] | VALVE GP-PRESSURE CONTROL | |
| 18. | 0L-2070 | [3] | BOLT (3/8-16X2.25IN) | |
| 19. | 4M-8303 | [2] | SEAL-O-RING (20.29MM ID) | |
| 20. | 2S-5718 | [1] | SLEEVE | |
| 21. | 0T-0573 | [3] | BOLT (3/8-16X2.75IN) | |
| 22. | 8M-4445 | [4] | SEAL-O-RING | |
| 23. | 1P-6591 Y | [1] | VALVE GP-SELECTOR (3/8-16X2.25IN) | |
| 24. | 4M-1768 | [2] | SPRING-DETENT (3/8-16X2.25IN) | |
| 25. | 8M-8658 | [1] | CAM DETENT (3/8-16X2.25IN) | |
| 26. | 8M-8652 | [1] | SHAFT-GOVERNOR CONTROL | |
| Y | SEE SEPARATE ILLUSTRATION | |||
#UE0700400074
8M-6349: PRESSURE CONTROL GROUP
8M6349 PRESSURE CONTROL GROUP
PART OF TRANSMISSION HYDRAULIC CONTROL SHOWN ON PAGE 65
PART OF TRANSMISSION HYDRAULIC CONTROL SHOWN ON PAGE 65
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 3S-0050 | [1] | COVER ASSEM. | ||
| 5M-7915 | [4] | SPACER (.036" THICK) | ||
| 5M-7914 | [3] | SPACER (.010" THICK) | ||
| 9M-2032 | [1] | SPRING (BLUE) | ||
| 9M-2035 | [1] | PISTON | ||
| 2S-3537 | [1] | BODY ASSEM. | ||
| 9M-2025 | [1] | SPOOL | ||
| 8M-6291 | [1] | BODY | ||
| 5M-6214 | [2] | PLUG | ||
| 2M-7041 | [1] | SLUG | ||
| 7M-8509 | [1] | STOP | ||
| 1J-5799 | [1] | PIN | ||
| 0T-0055 | [4] | BOLT | ||
| 5M-2894 | [4] | WASHER | ||
| 8M-4432 | [2] | SEAL | ||
| 5M-7857 | [1] | PLUNGER | ||
| 2S-3535 | [1] | RETAINER | ||
| (PART OF BODY ASSEM. 2S3537) | ||||
| 5M-4987 | [2] | DOWEL | ||
| 8M-4432 | [1] | SEAL | ||
| 8M-8132 | [1] | SPRING (RED) | ||
| 8M-6303 | [1] | PLUNGER | ||
| 5M-7852 | [1] | STOP | ||
| 2M-3521 | [1] | PIN | ||
#UE0700400075
8M-6347: FLOW CONTROL VALVE GROUP
8M6347 FLOW CONTROL VALVE GROUP--Type 1
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
#UE0700400076
8M-6347: FLOW CONTROL VALVE GROUP
8M6347 FLOW CONTROL VALVE GROUP--Type 2
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS#UE0700400077
8M-6348: SELECTOR AND SAFETY VALVE GROUP
8M6348 SELECTOR AND SAFETY VALVE GROUP
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
Part of 8M6350 Transmission Hydraulic Control Group shown on Page 65
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 5M-9567 | [ 1] | SPOOL | ||
| 2S-5717 | [ 1] | NUT | ||
| 5S-0909 | [ 1] | LINK | ||
| 2S-1387 | [ 1] | RING | ||
| 1S-7553 | [ 1] | STOP | ||
| 8M-8630 | [ 1] | SPACER | ||
| [ 1] | SPRING | |||
| 3J-2493 | [ 1] | PLUG ASSEM. | ||
| 3K-0360 | [ 1] | ''O''RING | ||
| (PART OF PLUG ASSEM. 3J2403) | ||||
| 8M-6312 | [ 1] | BODY | ||
| 9M-2047 | [ 1] | SPOOL | ||
| 2S-5717 | [ 1] | NUT | ||
| 5S-0909 | [ 1] | LINK | ||
| [ 1] | BALL | |||
| 4M-2381 | [ 1] | SPRING | ||
| 6F-7172 | [ 1] | DOWEL | ||
| (PARTS OF STEM ASSEM. 1S7556) | ||||
| 1S-7556 | [ 1] | STEM ASSEM. | ||
| 4M-2375 | [ 1] | VALVE | ||
#UE0700400078
9M-2040: PLANETARY TRANSMISSION GROUP
9M2040 PLANETARY TRANSMISSION GROUP--Part 1 of 2
Part of 3S2706 Range Transmission Arrangement shown on Page 64
Part of 3S2706 Range Transmission Arrangement shown on Page 64
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 9M-2151 | [14] | STUD | ||
| 9M-2010 | [1] | CASE | ||
| 7F-9559 | [2] | BEARING | ||
| - OR - | ||||
| 8H-8175 | [2] | BEARING (PRECISION) | ||
| 5M-1932 | [3] | STUD | ||
| 5M-6132 | [5] | RING (standard) | ||
| 6P-8264 CH | [5] | RING (.015 in. oversize) | ||
| 6P-8258 CH | [5] | RING (.030 in. oversize) | ||
| 8M-8650 | [4] | PISTON | ||
| 5M-6141 | [4] | RING (standard) | ||
| 6P-8266 CH | [4] | RING (.015 in oversize) | ||
| 9P-2945 CH | [4] | RING (.030 in oversize) | ||
| 7M-5731 | [42] | WASHER | ||
| 5M-6126 | [21] | BEARING ASSEM. | ||
| 9M-1500 | [3] | SHAFT | ||
| 9M-1503 | [2] | RING | ||
| 1M-8652 | [1] | RING | ||
| 9M-1502 | [1] | CAGE | ||
| 5M-7923 | [1] | SHAFT | ||
| 3S-9866 | [1] | SHAFT ASSEM | ||
| 9M-2001 | [1] | DOWEL | ||
| (PART OF SHAFT ASSEM 3S9866) | ||||
| 9M-2004 | [1] | BEARING | ||
| 0S-1621 | [3] | BOLT | ||
| 2M-0706 | [3] | LOCK | ||
| 0V-0375 | [3] | BOLT | ||
| 2M-0849 | [3] | WASHER | ||
| 8M-8645 | [1] | PLATE | ||
| 7M-8479 | [1] | DOWEL (2 in. long) | ||
| 7M-8480 | [1] | DOWEL (1.25 in. long) | ||
| 4M-1641 | [5] | PIN | ||
| 3B-0623 | [1] | PLUG | ||
| 7F-9559 | [2] | BEARING | ||
| - OR - | ||||
| 8H-8175 | [2] | BEARING (PRECISION) | ||
| 1M-3833 | [2] | DOWEL | ||
| 5M-6116 | [6] | GEAR (26 TEETH) | ||
| 8M-8649 | [1] | PISTON | ||
| 7M-1177 | [1] | RING (standard) | ||
| 6P-8267 CH | [1] | RING (.015 in. oversize) | ||
| 9P-2944 CH | [1] | RING (.030 in. oversize) | ||
| 5M-7841 | [2] | GEAR | ||
| (96 AND 80 TEETH) | ||||
| 5M-6211 | [3] | SHAFT | ||
| 8F-6230 | [1] | SEAL | ||
| 3B-1915 | [6] | BOLT | ||
| 3B-4506 | [6] | LOCKWASHER | ||
| 1M-0498 | [2] | RING | ||
| 8M-8628 | [1] | FLANGE | ||
| 8M-8623 | [1] | GEAR (40 TEETH) | ||
| 3S-4388 | [1] | WASHER | ||
| 0L-0139 C | [2] | BOLT | ||
| 1S-6543 | [1] | SEAL | ||
| 1K-6986 | [2] | RING | ||
| 8M-8619 | [1] | CAGE | ||
| 4S-8718 | [1] | CAGE | ||
| 2D-6642 | [12] | BALL | ||
| 5M-7900 | [9] | BOLT | ||
| 2M-0849 | [9] | WASHER | ||
| 5M-6210 | [3] | SHAFT | ||
| 9M-1990 | [5] | PIN | ||
| C | INDICATES CHANGE | |||
| H | NOT PART OF PLANETARY TRANSMIS | |||
#UE0700400079
9M-2040: PLANETARY TRANSMISSION GROUP
PLANETARY TRANSMISSION--PART 2 of 2
PART OF 3S2706 RANGE TRANSMISSION ARRANGEMENT SHOWN ON PAGE 64
PART OF 3S2706 RANGE TRANSMISSION ARRANGEMENT SHOWN ON PAGE 64
Parts for your 977K TRACK LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 4S-8708 | [1] | HOUSING | ||
| 7M-8480 | [4] | DOWEL | ||
| 4M-9592 | [30] | SPRING | ||
| 8M-8644 | [1] | HOUSING | ||
| 8M-8651 | [7] | PLATE | ||
| 9M-2049 | [2] | GEAR | ||
| (96 AND 80 TEETH) | ||||
| 5M-7869 | [1] | GEAR | ||
| (96 AND 74 TEETH) | ||||
| 9M-1501 | [3] | PLATE | ||
| 0S-0509 | [9] | BOLT | ||
| 8M-7640 | [3] | LOCK (ONE HOLE) | ||
| 9M-1367 | [3] | LOCK (TWO HOLE) | ||
| 5M-6113 | [3] | GEAR (20 TEETH) | ||
| 8M-8677 | [1] | CARRIER | ||
| 9M-1995 | [1] | GEAR (35 TEETH) | ||
| 5M-6113 | [3] | GEAR (20 TEETH) | ||
| 0S-0509 | [6] | BOLT | ||
| 8M-8509 | [3] | LOCK | ||
| 5M-6122 | [12] | DISC ASSEM. | ||
| 9M-1996 | [3] | SHAFT | ||
| 1S-6527 | [3] | PLATE | ||
| 8M-8642 | [1] | HOUSING | ||
| 4M-1678 | [10] | SPRING | ||
| 9M-2013 | [1] | HOUSING ASSEM. | ||
| 2D-6642 | [2] | BALL | ||
| (PART OF HOUSING ASSEM. 9M2013) | ||||
| 5M-6119 | [3] | GEAR (24 TEETH) | ||
| 0S-1594 | [6] | BOLT | ||
| 0S-2414 | [3] | LOCK | ||
| 5M-6212 | [3] | TUBE | ||
| 5M-7936 | [1] | OUTER RACE AND ROLLER ASSEM. | ||
| 3S-6817 | [1] | SPACER | ||
| 9M-1997 | [1] | BEARING | ||
| 9M-2030 | [1] | INNER RACE | ||
| 3S-6931 | [1] | RING | ||
| 9M-2031 | [1] | OUTER RACE AND ROLLER ASSEM. | ||
| 5M-6120 | [1] | GEAR (23 TEETH) | ||
| 5M-7934 | [1] | INNER RACE | ||
| 2M-3974 | [1] | RING | ||
| 5M-7875 | [1] | CARRIER | ||
| 5M-6113 | [3] | GEAR (20 TEETH) | ||
| 5M-6113 | [3] | GEAR (20 TEETH) | ||
| 8M-8646 | [1] | PLATE ASSEM. | ||
| 7M-8479 | [2] | DOWEL | ||
| 2D-6642 | [2] | BALL | ||
| (PARTS OF PLATE ASSEM. 8M8646) | ||||
Information:
POWER TRAIN
PUMP GP
Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Hydraulic Gear Pumps Used in Transmissions {3066, 5073}
Hydraulic Gear Pumps Used in Transmissions {3066, 5073}
Hydraulic Gear Pumps Used in Transmissions {3066, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Caterpillar Parts SIS Catalog 977K :
Truck sale:
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;
- TRACK LOADERS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;



