AVSPARE.COM
parts catalog

TRANSFER GEARS (3S6922 N/S) AS VIEWED FROM RIGHT HAND SIDE OF MACHINE Part of 3S2706 Range Transmission Arrangement shown on Page 64 977K


POWER TRAIN
GEAR GP
VALVE GP
FILTER GP
OPERATOR STATION
CONTROL GP-TRANSMISSION
POWER TRAIN
PUMP GP
SCREEN GP
TRANSMISSION GP


POWER TRAIN

GEAR GP
 

#UE0700400080
 

3S-6922: TRANSFER GEARS

TRANSFER GEARS (3S6922 N/S)
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE
Part of 3S2706 Range Transmission Arrangement shown on Page 64
c110764 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1D-4719 [3] NUT  
  3B-4508 [3] LOCKWASHER  
  9M-2060 [1] CASE ASSEM.  
  9M-2001 [1] DOWEL  
    (PART OF CASE ASSEM. 9M2060)
  3F-1526 [1] DOWEL  
  2A-3746 [5] PLUG  
  3S-6908 [1] GEAR (30 TEETH)  
  0S-1594 [4] BOLT  
  1A-5823 [2] LOCK  
  4M-3122 [2] DOWEL  
  9M-2042 [2] RACE (OUTER)  
  1M-4095 [2] INNER RACE AND ROLLER ASSEM.  
  8M-8659 [3] DOWEL  
    (PART OF CASE ASSEM. 9M2060)
  5M-9644 [1] INNER RACE AND ROLLER ASSEM.  
  8H-8024 [1] RING  
  9M-1498 [1] CAGE  
  0S-1594 [2] BOLT  
  9M-1367 [1] LOCK  
  2M-0138 [1] DOWEL (2.56" LONG)  
  7M-1154 [1] INNER RACE AND ROLLER ASSEM.  
  4M-3122 [1] DOWEL (1.50" LONG)  
  9M-1998 [1] INNER RACE AND ROLLER ASSEM.  
  2S-1437 [1] RACE (OUTER)  
  9M-2045 [1] PINION (17 TEETH)  
  9M-2012 [1] SPACER  
  5M-7339 [1] WASHER  
  9M-1499 [1] RACE (OUTER)  
  3S-6907 [1] GEAR (40 TEETH)  
  0S-1585 [10] BOLT  
  9M-1497 [5] LOCK  
  5M-7329 [1] SEAL  
  9M-2021 [1] GASKET  
  0S-1585 [14] BOLT  
  3B-4508 [14] LOCKWASHER  
 

#UE0700400081
 

8M-8551: VALVE GP-RELIEF

8M8551 RELIEF VALVE GROUP
PART OF 3S2706 RANGE TRANSMISSION ARRANGEMENT SHOWN ON PAGE 64
c90458 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] "O" RING  
    (PART OF PLUG ASSEM.5M7908)
  8M-8597 [1] SPRING  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4M-8815 [1] COVER  
  8M-5254 [1] SEAL  
  8M-8598 [1] SPOOL  
  8M-8599 [1] BODY  
 

#UE0700400082
 

3S-9851: TRANSMISSION FILTER GROUP

3S9851 TRANSMISSION FILTER GROUP
PART OF TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM
SHOWN ON PAGE 74
c120405 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-3235 [6] BOLT  
2. 3S-9849 [1] COVER ASSEM.  
3. 3S-4398 [1] STUD  
    (Part of 3S9849 Cover Assem.)
4. 4M-7945 [1] SPRING  
5. 1H-8128 [2] SEAL  
6. 2D-8009 [1] SEAL  
7. 8M-5255 [1] SEAL  
8. 4S-8566 [1] PLUG ASSEM.  
9. 3D-2824 [1] SEAL  
    (Part of 4S8566 Plug Assem.)
10. 4J-6064 [1] ELEMENT ASSEM. (disposable)  
11. 3S-9847 [1] RETAINER  
12. 4S-5858 [1] PLUG ASSEM.  
13. 7M-8485 [1] SEAL  
    (Part of 4S5858 Plug Assem.)
14. 2H-3788 [1] NUT  
15. 3S-9848 [1] HOUSING  
16. 2S-6466 [1] SPOOL  
 

#UE0700400083
 

TRANSMISSION CONTROL LINKAGE

TRANSMISSION CONTROL LINKAGE
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE
c121277 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1621 [6] BOLT  
2. 3B-4508 [6] LOCKWASHER  
3. 4B-4280 [8] WASHER  
4. 4B-1280 [4] SCREW  
5. 3S-4644 [1] GUIDE  
6. 7M-0706 [1] KNOB  
7. 3S-6058 [1] ROD  
8. 1A-8912 [2] WASHER  
9. 3B-4607 [2] COTTER PIN  
10. 3S-5712 [1] SHAFT  
11. 3B-4617 [2] COTTER PIN  
12. 9M-3528 [2] SCREW  
13. 1B-2578 [2] NUT  
14. 3B-4506 [9] LOCKWASHER  
15. 3S-5728 [1] LEVER ASSEM.  
16. 3S-5722 [1] LEVER  
17. 2M-8908 [1] KNOB  
18. 5H-6406 [2] SEAL  
19. 8B-4037 [3] WASHER  
20. 7F-7983 [2] BEARING  
21. 1A-2029 [3] BOLT  
22. 3S-4971 [1] BRACKET  
23. 4H-3947 [1] FITTING  
24. 3S-5714 [1] SHAFT ASSEM.  
25. 2L-1699 [1] PIN  
    (Part of 3S5714 Shaft Assem.)
26. 1A-1460 [1] BOLT  
27. 8B-2278 [1] LOCK  
28. 2M-7167 [1] SPACER  
29. 4D-4064 [4] ROD END  
30. 4M-0496 [3] BOLT  
31. 4M-0497 [3] NUT  
32. 5B-9079 [5] NUT  
33. 3B-1915 [1] BOLT  
34. 1D-4717 [3] NUT  
35. 3S-5223 [1] LEVER ASSEM.  
  5H-3895 [1] BEARING  
    (Part of 3S5223 Lever Assem.)
36. 3K-2366 [2] ROD  
37. 1B-8706 [3] KEY  
38. 3S-7337 [1] LEVER  
39. 0S-1588 [1] BOLT  
40. 1S-3585 [1] LEVER  
41. 0T-0924 [2] BOLT  
42. 1B-4203 [2] NUT  
43. 3S-5008 [1] LEVER  
44. 3S-6057 [1] GUARD ASSEM.  
  9F-2978 [2] NUT (Weld)  
45. 1F-0748 [10] NUT (Weld)  
46. 4B-0897 [2] PLATE  
47. 9F-6445 [4] NUT (Weld)  
48. 5H-1592 [2] BEARING  
    (Parts of 3S6057 Guard Assem.)
49. 4M-8799 [1] SPRING  
 

#UE0700400084
 

1S-6520: OIL PUMP GROUP

1S6520 OIL PUMP GROUP
Part of Transmission & Steering Clutch Lubrication System
shown on Pages 74 and 74B
c110759 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8F-9516 [2] SEAL  
2. 1S-6457 [1] BODY ASSEM.  
  8M-8489 [4] DOWEL  
    (Part of 1S6457 Assem.)
3. 1S-5544 [1] COVER ASSEM.  
4. 8M-8489 [2] DOWEL  
5. 1M-3780 [2] BEARING  
    (Parts of 1S5544 Assem.)
6. 1S-6508 [1] GEAR (12 Teeth)  
7. 1S-6509 [1] GEAR (12 Teeth)  
8. 0T-0573 [2] BOLT  
9. 3S-0004 [6] WASHER  
10. 5B-0213 [4] BOLT  
11. 9S-4191 [1] PLUG  
12. 3J-1907 [1] SEAL  
13. 2S-1454 [1] COVER ASSEM.  
14. 1M-3780 [2] BEARING  
    (Part of 2S1454 Assem.)
 

#UE0700400085
 

9M-8669: SCREEN GP-MAGNETIC

9M8669 MAGNETIC SCREEN GROUP
Part of Transmission & Steering Clutch Lubrication System
shown on Pages 74A & 75
c113539 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-2871 [4] STUD  
2. 1D-4717 [4] NUT  
3. 3S-3439 [1] COVER  
4. 3S-3440 [1] SPRING WASHER  
5. 5F-0149 [2] SEAL  
6. 3S-3875 [1] SCREEN  
7. 2S-1641 [1] TUBE ASSEM.  
8. 8M-7160 [4] MAGNET  
9. 1J-8668 [4] STUD (2" long)  
    -OR-
  8M-1047 [4] STUD (1.70" long)  
    -OR-
  2M-4779 [4] STUD (1.80" long)  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
10. 8M-7166 [1] HOUSING  
 

#UE0700400086
 

3S-2039: TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM

TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM (3S2039 N/S)--Part 1 of 2
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE. Serial No. 46H1 to 46H1119 inclusive
3S9851 Filter Group and 1S6520 Oil Pump Group parts are shown on Pages 71 and 73
c120375 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1588 [12] BOLT  
2. 3B-4506 [25] LOCKWASHER  
3. 8M-4987 [6] SEAL  
4. 3S-3714 [1] HOSE ASSEM. (31" long overall)  
    (Relief Valve to 3S2053 Tube Assem.)
5. 0L-2070 [4] BOLT  
6. 8M-4986 [3] SEAL  
7. 0S-1585 [5] BOLT  
8. 3B-4508 [5] LOCKWASHER  
9. 3S-9851 Y [1] FILTER GROUP  
    (See Separate Illustration)
10. 3B-1915 [1] BOLT  
11. 1S-6520 Y [1] PUMP GROUP  
    (See Separate Illustration)
12. 8M-5007 [1] SEAL  
13. 3S-9845 [1] SUPPORT  
14. 4F-8965 [4] BOLT  
15. 3B-4507 [4] LOCKWASHER  
16. 0S-1594 [2] BOLT  
17. 1D-4717 [2] NUT  
18. 1H-5948 [2] CLAMP  
19. 1S-2253 [2] FLANGE  
20. 3S-3696 [2] ELBOW  
21. 1A-2029 [4] BOLT  
22. 8M-4991 [2] SEAL  
23. 3S-3701 [1] TUBE ASSEM. (37.15" long overall)  
    (Relief Valve to Transmission Oil Cooler)
24. 3S-3739 [1] TUBE ASSEM. (59.92" long overall)  
    (Relief Valve to Transmission Oil Cooler)
25. 1H-3305 [2] FLANGE  
26. 8F-2395 [1] CLIP  
27. 0S-1624 [1] BOLT  
28. 3B-4510 [1] LOCKWASHER  
29. 4B-4281 [1] WASHER  
30. 4B-4278 [1] WASHER  
31. 3S-5716 [1] BRACKET  
32. 9M-3019 [1] TUBE (Right Hand-11.87" long)  
    (To Bevel Gear Case)
33. 9M-3020 [1] TUBE (Left Hand-11.87" long)  
    (To Bevel Gear Case)
34. 8B-6127 [2] CLIP  
35. 0T-0102 [2] BOLT  
36. 3B-9004 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 3B9004 Fitting)
  Y   SEPARATE ILLUSTRATION
 

#UE0700400087
 

3S-2039: TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM

TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM (3S2039 N/S)--Part 2 of 2
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE. Serial No. 46H1 to 46H1119 inclusive
9M8669 Magnetic Screen Group parts are shown on Page 73
c121310 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9603 [1] BOLT  
2. 3B-4506 [32] LOCKWASHER  
3. 0L-1143 [1] BOLT  
4. 3S-2053 [1] TUBE ASSEM.  
    (Transfer Gear Case to Control Valve)
5. 9M-0164 [4] CLAMP  
6. 1S-4018 [2] HOSE  
7. 9M-8669 Y [1] SCREEN GROUP  
    (See Separate Illustration)
8. 1A-2029 [17] BOLT  
9. 3S-3703 [1] TUBE ASSEM. (3.75" long overall)  
    (Ref. No. 7 to Ref. No. 6)
10. 8M-4436 [2] SEAL  
11. 3S-3708 [1] TUBE ASSEM. (3.75" long overall)  
    (Ref. No. 7 to Ref. No. 22)
12. 0S-1588 [11] BOLT  
13. 3S-3740 [1] TUBE ASSEM. (10.14" long overall)  
    (Ref. No. 9 to Fuel Transfer Pump)
14. 9M-9037 [1] FLANGE  
15. 1S-0004 [1] SEAL  
16. 2K-0190 [4] FLANGE  
17. 8M-4988 [2] SEAL  
18. 3S-3711 [1] HOSE ASSEM. (15.75" long overall)  
    (Scavenger Pump to Transmission)
19. 6H-1717 [1] BOLT  
20. 3B-4508 [1] LOCKWASHER  
21. 4B-4280 [1] WASHER  
22. 3S-3698 [1] TUBE ASSEM. (33.60" long overall)  
    (Ref. No. 7 to Bevel Gear Case)
23. 8M-4390 [1] SEAL  
24. 0S-1594 [2] BOLT  
25. 1D-4717 [2] NUT  
26. 4B-4278 [2] WASHER  
27. 2H-8930 [1] CLAMP  
28. 3S-3676 [1] BRACKET  
29. 3S-3737 [1] TUBE ASSEM. (36.49" long overall)  
    (Transmission Case to Bevel Gear Case)
30. 1F-3133 [1] GASKET  
31. 2S-8373 [1] VALVE GROUP  
32. 5M-6214 [1] PLUG  
33. 8M-4988 [1] SEAL  
34. 9M-0135 [1] PLUG  
35. 7B-0472 [1] PIN  
36. 0L-1142 [1] SPRING  
37. 3S-8236 [1] VALVE  
    (Parts of 2S8373 Valve Group)
38. 8M-4445 [1] SEAL  
39. 8M-4448 [1] SEAL  
40. 8M-4987 [1] SEAL  
41. 8M-4992 [1] SEAL  
42. 8M-5254 [2] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UE0700400088
 

3S-2039: TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM

TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM (3S2039 N/S)--Part 1 of 2
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE. Effective with Serial No. 46H1120
3S9851 Filter and 1S6520 Oil Pump Group parts are shown on Pages 71 and 73
c123037 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1588 [12] BOLT  
2. 3B-4506 [25] LOCKWASHER  
3. 8M-4987 [5] SEAL  
4. 3S-3714 [1] HOSE ASSEM. (31" long overall)  
    (Relief Valve to 3S2053 Tube Assem.)
5. 0L-2070 [4] BOLT  
6. 8M-4986 [4] SEAL  
7. 0S-1585 [5] BOLT  
8. 3B-4508 [5] LOCKWASHER  
9. 3S-9851 Y [1] FILTER GROUP  
    (See Separate Illustration)
10. 3B-1915 [1] BOLT  
11. 1S-6520 Y [1] PUMP GROUP  
    (See Separate Illustration)
12. 8M-5007 [1] SEAL  
13. 3S-9845 [1] SUPPORT  
14. 0T-0768 [4] BOLT  
15. 3B-4507 [4] LOCKWASHER  
16. 0S-1594 [2] BOLT  
17. 1D-4717 [2] NUT  
18. 1H-5948 [2] CLAMP  
19. 1S-2253 [2] FLANGE  
20. 3S-3696 [2] ELBOW  
21. 1A-2029 [4] BOLT  
22. 8M-4991 [2] SEAL  
23. 8S-1885 [1] TUBE ASSEM. (38.14" long overall)  
    (Relief Valve to Transmission Oil Cooler)
24. 8S-1886 [1] TUBE ASSEM. (59.85" long overall)  
    (Relief Valve to Transmission Oil Cooler)
25. 1H-3305 [2] FLANGE  
26. 8F-2395 [1] CLIP  
27. 0S-1624 [1] BOLT  
28. 3B-4510 [1] LOCKWASHER  
29. 4B-4281 [1] WASHER  
30. 4B-4278 [1] WASHER  
31. 3S-5716 [1] BRACKET  
32. 9M-3019 [1] TUBE (Right Hand-11.87" long)  
    (To Bevel Gear Case)
33. 9M-3020 [1] TUBE (Left Hand-11.87" Long)  
    (To Bevel Gear Case)
34. 8B-6127 [2] CLIP  
35. 0T-0102 [2] BOLT  
36. 3B-9004 [2] FITTING  
  8F-8997 [2] NUT  
    (1 in each 3B9004 Fitting)
37. 2A-4639 [2] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UE0700400089
 

3S-2039: TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM

TRANSMISSION AND STEERING CLUTCH LUBRICATION SYSTEM (3S2039 N/S)--Part 2 of 2
AS VIEWED FROM RIGHT HAND SIDE OF MACHINE. Effective with Serial No. 46H1120
9M8669 Magnetic Screen Group parts are shown on Page 73
c123052 UE070040
  For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9603 [1] BOLT  
2. 3B-4506 [32] LOCKWASHER  
3. 0L-1143 [1] BOLT  
4. 3S-2053 [1] TUBE ASSEM.  
    (Transfer Gear Case to Control Valve)
5. 9M-0164 [4] CLAMP  
6. 1S-4018 [2] HOSE  
7. 9M-8669 Y [1] SCREEN GROUP  
    (See Separate Illustration)
8. 1A-2029 [15] BOLT  
9. 3S-3703 [1] TUBE ASSEM. (3.75" long overall)  
    (Ref. No. 7 to Ref. No. 6)
10. 8M-4436 [2] SEAL  
11. 3S-3708 [1] TUBE ASSEM. (3.75" long overall)  
    (Ref. No. 7 to Ref. No. 22)
12. 0S-1588 [11] BOLT  
13. 3S-3740 [1] TUBE ASSEM. (10.14" long overall)  
    (Ref. No. 9 to Fuel Transfer Pump)
14. 9M-9037 [1] FLANGE  
15. 1S-0004 [1] SEAL  
16. 2K-0190 [4] FLANGE  
17. 8M-4988 [2] SEAL  
18. 3S-3711 [1] HOSE ASSEM. (15.75" long overall)  
    (Scavenger Pump to Transmission)
19. 6H-1717 [1] BOLT  
20. 3B-4508 [1] LOCKWASHER  
21. 4B-4280 [1] WASHER  
22. 3S-3698 [1] TUBE ASSEM. (33.60" long overall)  
    (Ref. No. 7 to Bevel Gear Case)
23. 8M-4390 [1] SEAL  
24. 0S-1594 [2] BOLT  
25. 1D-4717 [2] NUT  
26. 4B-4278 [2] WASHER  
27. 2H-8930 [1] CLAMP  
28. 3S-3676 [1] BRACKET  
29. 3S-3737 [1] TUBE ASSEM. (36.49" long overall)  
    (Transmission Case to Bevel Gear Case)
30. 1F-3133 [1] GASKET  
31. 2S-8373 [1] VALVE GROUP  
32. 5M-6214 [1] PLUG  
33. 8M-4988 [1] SEAL  
34. 9M-0135 [1] PLUG  
35. 7B-0472 [1] PIN  
36. 0L-1142 [1] SPRING  
37. 3S-8236 [1] VALVE  
    (Parts of 2S8373 Valve Group)
38. 8M-4445 [1] SEAL  
39. 8M-4448 [1] SEAL  
40. 8M-4987 [1] SEAL  
41. 8M-4992 [1] SEAL  
42. 8M-5254 [2] SEAL  
  Y   SEPARATE ILLUSTRATION
 

Information:

Tool Operating Manual
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
Reuse And Salvage Guidelines
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Transmission Bevel Pinion and Transfer Gear for D5, D6, D7, D8, and D9 Tractors with Oval Tracks{1164, 3030, 3159, 3254}
Transmission Bevel Pinion and Transfer Gear for D5, D6, D7, D8, and D9 Tractors with Oval Tracks{1164, 3030, 3159, 3254}
Conventional (Non-Planetary) Final Drive Gears for Track Type Tractors and Track Type Loaders {4055, 7552}
Conventional (Non-Planetary) Final Drive Gears for Track Type Tractors and Track Type Loaders {4055, 7552}
Service Magazine

Caterpillar Parts SIS Catalog 977K :

Truck sale:

10,250 USD 
Caterpillar 977K, Construction
- track loaders
CLEVELAND BROTHERS EQUIPMENT COMPANY INC
9,500 
Caterpillar 977K, Construction
- track loaders
MICHIGAN CAT
 
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;
USD $9,500 
1970 CAT 977K

WEACO EQUIPMENT
Womelsdorf, Pennsylvania
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, 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.
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.