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4N2190 TORQUE CONVERTER OIL COOLER GROUP 988B WHEEL LOADER


POWER TRAIN
COOLER GP
VALVE GP-RELIEF
COOLER GP
HYDRAULIC SYSTEM
COOLER GP
AIR INLET AND EXHAUST SYSTEM
LINES GP-AIR

WHEEL LOADER 988B WHEEL LOADER 50W
 988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE SEBP1079 988B 50W   (1976)

POWER TRAIN

COOLER GP
COOLER GP-TRANSMISSION OIL
4N-2190 COOLER GP-TRANSMISSION OIL
LINES GP-TORQUE CONV COOLER
1V-4952 LINES GP-TORQUE CONV COOLER
 

#SEBP10790130
 

4N-2190: COOLER GP-TRANSMISSION OIL

4N2190 TORQUE CONVERTER OIL COOLER GROUP
c237994 SEBP1079
4N2190 COOLER GP-TRANSMISSION OIL Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0V-0375 [2] BOLT  
2. 2S-0795 [2] GASKET  
3. 2W-0999 C [1] CORE ASSEM.  
    (Includes)
4. 8M-9307 [1] PLUG  
  6F-7062 [1] WASHER  
5. 5M-6214 [2] PLUG  
6. 0L-1329 [2] BOLT  
7. 0S-1595 [8] BOLT  
  C   INDICATES CHANGE
 

#SEBP10790131
 

8P-1471: VALVE GP-RELIEF

8P1471 RELIEF VALVE GROUP
Part of 1V4952 Torque Converter Cooler Lines Group shown on Page 41
c158047 SEBP1079
8P1471 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-4191 [2] PLUG-O-RING  
  3J-1907 [2] SEAL  
2. 2P-4538 [1] SPOOL AS-RELIEF  
3. 8M-2537 [1] RETAINER  
4. 1L-3162 [1] RING-RETAINING  
5. 5M-9548 [1] SPRING  
6. 9M-4313 [1] POPPET  
7. 8M-4986 [2] SEAL-O-RING  
8. 0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
9. 4M-8239 [2] COVER  
10. 8M-8627 [1] SPRING  
11. 5M-9622 [2] SPACER 1.5748MM(.062IN)THK  
  5M-9623 [3] SPACER .9144MM(.036IN)THK  
  5M-9624 [1] SPACER .2540MM(.010IN)THK  
 

#SEBP10790132
 

1V-4952: LINES GP-TORQUE CONV COOLER

1V4952 TORQUE CONVERTER COOLER LINES GROUP
8P1471 Relief Valve parts are shown on Page 40
c180553 SEBP1079
1V4952 LINES GP-TORQUE CONV COOLER Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-3235 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
2. 2V-2258 [1] TUBE ASSEM.  
3. 4J-0527 C [2] SEAL  
4. 2V-2541 [1] TUBE ASSEM.  
5. 3V-0729 [1] BRACKET ASSEM.  
6. 8P-1471 Y [1] VALVE GROUP  
    (Separate Illustration)
7. 8M-4443 [1] SEAL 43.94 mm(1.75 in.)I.D.  
8. 0T-0065 [3] BOLT  
9. 1A-1460 [4] BOLT  
10. 5P-8245 C [8] WASHER  
11. 1P-5762 [2] FLANGE  
  1P-3705 [1] SEAL  
12. 2V-5040 [1] HOSE ASSEM.  
    (Includes)
  5P-0182 H HOSE 108 cm(42.52 in.)  
13. 3S-7116 [2] SLEEVE  
14. 3S-8570 [1] STEM ASSEM. (45 degrees)  
15. 5S-3779 [1] STEM ASSEM. (straight)  
16. 4J-0522 [1] SEAL  
17. 1P-4578 [2] FLANGE  
18. 0T-0772 [4] BOLT  
  5P-8244 C [4] WASHER  
19. 4J-0524 [1] SEAL  
20. 0S-1587 [4] BOLT  
21. 1P-4579 [2] FLANGE  
22. 2V-2792 [1] CLIP  
23. 0L-1351 [2] BOLT  
24. 5M-2894 C [4] WASHER  
25. 8M-8157 [1] SEAL 14.43mm(.568 in.) I.D.  
26. 5L-4609 C [2] CLAMP  
  0S-1571 C [1] BOLT  
  1D-4717 C [1] NUT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE CENTIMETER
 

#SEBP10790133
 

1V-4966: LINES GP-OIL COOLER

1V4966 HYDRAULIC OIL COOLER LINES GROUP--Top View
Serial No. 50W1 to 50W4083 inclusive
c168672 SEBP1079
1V4966 LINES GP-OIL COOLER Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-4577 [4] FLANGE  
2. 0S-1588 [8] BOLT  
  4B-4278 [8] WASHER  
3. 3V-0188 [1] HOSE ASSEM.  
    (Includes)
  5P-0181 H HOSE 55 cm(21.65 in.)  
4. 8S-3918 [1] COUPLING ASSEM.  
5. 3S-8503 [1] STEM ASSEM.  
6. 3S-7252 [2] SLEEVE  
7. 4J-0520 [2] SEAL  
8. 030-7951 [4] ELBOW  
9. 7M-8485 [5] SEAL  
10. 9J-4682 [1] VALVE GROUP  
11. 0L-1352 [3] BOLT  
  5M-2894 [3] WASHER  
12. 030-7935 [1] CONNECTOR  
13. 3V-0189 [1] HOSE ASSEM.  
    (Includes)
  5P-0181 H HOSE 63 cm(24.80 in.)  
14. 8S-3918 [1] COUPLING ASSEM.  
15. 3S-7252 [2] SLEEVE  
16. 3S-8503 [1] STEM ASSEM.  
17. 3V-0166 [1] TUBE ASSEM.  
18. 3V-0163 [1] TUBE ASSEM.  
19. 1D-4717 [10] NUT  
20. 5P-1075 [15] WASHER (cone)  
21. 2M-0849 [10] WASHER (plain)  
22. 6K-5535 [8] CLIP  
23. 6K-5536 [8] BRACKET  
24. 3V-0162 [1] TUBE ASSEM.  
25. 3V-0191 [1] TUBE  
26. 5P-2230 [8] CLAMP  
27. 5P-2094 JH HOSE 35.56 cm(14 in.)  
28. 3V-0190 [1] TUBE  
29. 3V-0403 [1] BRACKET  
30. 1A-2029 [3] BOLT  
31. 2V-2691 [1] BRACKET  
32. 0L-1351 [2] BOLT  
33. 3V-0423 [1] BRACKET  
34. 3V-0172 [1] TUBE ASSEM.  
    (Includes)
35. 9S-4183 [1] PLUG  
  3D-2824 [1] SEAL  
36. 0L-1143 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
37. 1P-3703 [1] SEAL  
  H   ORDER BY THE CENTIMETRE
  J   USE AS REQUIRED
 

#SEBP10790134
 

1V-4966: LINES GP-OIL COOLER

1V4966 HYDRAULIC OIL COOLER LINES GROUP--Top View
Serial No. 50W4084-Up
c174190 SEBP1079
1V4966 LINES GP-OIL COOLER Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-4577 [4] FLANGE  
2. 0S-1588 [8] BOLT  
3. 3V-0188 [1] HOSE ASSEM.  
    (Includes)
  8S-9355 CH HOSE 21.65 in. (55 cm)  
4. 8S-3918 [1] COUPLING ASSEM.  
5. 3S-8503 [1] STEM ASSEM.  
6. 3S-7252 [2] SLEEVE  
7. 4J-0520 [2] SEAL  
8. 030-7951 [4] ELBOW  
9. 7M-8485 [5] SEAL  
10. 9J-4682 [1] VALVE GROUP  
11. 0L-1352 [3] BOLT  
12. 030-7935 [1] CONNECTOR  
13. 3V-0189 [1] HOSE ASSEM.  
    (Includes)
  8S-9355 CH HOSE 24.80 in. (63 cm)  
14. 8S-3918 [1] COUPLING ASSEM.  
15. 3S-7252 [2] SLEEVE  
16. 3S-8503 [1] STEM ASSEM.  
17. 3V-0166 [1] TUBE ASSEM.  
18. 3V-0163 [1] TUBE ASSEM.  
19. 1D-4717 [10] NUT  
20. 5M-2894 C [19] WASHER 18.2 mm(.718 in.) O.D.  
21. 2M-0849 C [5] WASHER 25.4 mm(.1 in.) O.D.  
22. 6K-5535 [8] CLIP  
23. 6K-5536 [8] BRACKET  
24. 3V-0162 [1] TUBE ASSEM.  
25. 3V-0191 [1] TUBE  
26. 5P-2230 [8] CLAMP  
27. 5P-2094 J HOSE 35.56 cm(14 in.)  
28. 3V-0190 [1] TUBE  
29. 3V-0403 [1] BRACKET  
30. 1A-2029 [3] BOLT  
31. 2V-2691 [1] BRACKET  
32. 0L-1351 [2] BOLT  
33. 3V-0423 [1] BRACKET  
34. 3V-0172 [1] TUBE ASSEM.  
    (Includes)
35. 9S-4183 [1] PLUG  
  3D-2824 [1] SEAL  
36. 0L-1143 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
37. 1P-3703 [1] SEAL  
38. 9L-9132 C [7] WASHER  
  C   INDICATES CHANGE
  J   ORDER BY THE CENTIMETER - USE
  H   ORDER BY THE INCH
 

#SEBP10790135
 

4N-4305: LINES GP-AIR

4N4305 AIR LINES GROUP
Engine Serial No. 48W1 to 48W7684 inclusive
c225839 SEBP1079
4N4305 LINES GP-AIR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-6926 [1] MANIFOLD  
2. 6N-1565 [1] COLLAR  
3. 4N-1724 [3] GASKET  
4. 5P-3345 [3] BOLT  
5. 8M-2296 [9] NUT  
6. 4N-1849 [1] PIPE  
7. 4L-8337 [4] SEAL  
8. 4N-6971 C [1] MANIFOLD  
9. 8M-2295 [6] BOLT  
10. 4N-6900 [1] ELBOW  
11. 6N-4651 [4] SEAL RING  
12. 1A-2029 [8] BOLT  
13. 4N-9441 [1] ELBOW  
14. 0S-1588 [6] BOLT  
15. 4N-1848 [1] GASKET  
16. 6N-4597 [2] COUPLING  
17. 4N-6970 [1] ELBOW  
  C   INDICATES CHANGE
 

#SEBP10790136
 

4N-4305: LINES GP-AIR

4N4305 AIR LINES GROUP
Engine Serial No. 48W7685 to 48W13172 inclusive
c224839 SEBP1079
4N4305 LINES GP-AIR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-6926 [1] MANIFOLD  
2. 6N-1565 [1] COLLAR  
3. 8N-2431 C [3] GASKET  
4. 5P-3345 [3] BOLT  
5. 2N-2766 C [9] NUT  
6. 4N-1849 [1] PIPE  
7. 4L-8337 [4] SEAL  
8. 4N-6971 [1] MANIFOLD  
9. 2N-2765 C [6] BOLT  
10. 4N-6900 [1] ELBOW  
11. 6N-4651 [4] SEAL RING  
12. 1A-2029 C [6] BOLT  
13. 8N-1845 C [1] ELBOW  
14. 0S-1588 [6] BOLT  
15. 4N-1848 [1] GASKET  
16. 6N-4597 [2] COUPLING  
17. 4N-6970 [1] ELBOW  
18. 8N-4056 C [1] BRACKET ASSEM.  
19. 3B-1915 C [2] BOLT 34.8 mm(1.375 in.) long  
  5M-2894 C [2] WASHER  
20. 5B-7890 C [2] PLUG  
 

#SEBP10790137
 

1W-0638: LINES GP-AIR

1W638 AIR LINES GROUP
Engine Serial No. 48W13173-Up
c181247 SEBP1079
1W0638 LINES GP-AIR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-0785 [1] TUBE  
2. 8N-0781 [1] BRACKET  
3. 4N-1848 [1] GASKET  
4. 3B-1915 [2] BOLT  
5. 8N-1845 [1] ELBOW  
6. 4L-8337 [4] SEAL  
7. 4N-1849 [1] PIPE  
8. 5B-7890 [2] PLUG  
9. 8N-0879 [4] CLAMP  
10. 8N-0887 [2] TUBE  
11. 8N-0878 [2] CLAMP  
12. 6B-3771 [1] CLAMP  
13. 8N-0784 [1] MANIFOLD  
14. 8N-0886 [2] SEAL  
15. 1W-0481 [2] RING  
16. 8N-0786 [1] TUBE  
17. 5M-2894 [3] WASHER  
18. 1D-4717 [1] NUT  
19. 0S-1588 [6] BOLT  
20. 0L-2070 [1] BOLT  
21. 1A-2029 [6] BOLT  
22. 8N-4056 [1] BRACKET ASSEM.  
    (Includes)
  9F-2978 [2] NUT  
 

#SEBP10790138
 

4N-4306: LINES GP-AIR

4N4306 AIR LINES GROUP
Serial No. 50W1 to 50W872, 50W885, 50W930 and 50W1000 inclusive
c165801 SEBP1079
4N4306 LINES GP-AIR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-2493 [1] ELBOW  
2. 9S-2592 [1] HOSE  
3. 5P-3860 [2] CLAMP  
4. 1V-6566 [1] PIPE ASSEM.  
    (Includes)
  7M-1674 [1] ELEMENT  
  8M-1659 C [10] STUD  
5. 6N-4247 [1] ELBOW  
6. 0S-1595 [4] BOLT  
7. 2M-0849 [4] WASHER  
8. 6N-4250 [1] ELBOW  
9. 6L-8562 [4] STUD  
10. 1B-5355 [12] NUT  
11. 5M-2894 [24] WASHER  
12. 6N-4248 [1] BRACKET  
13. 0S-1590 [4] BOLT  
14. 6N-4249 [1] ELBOW  
  8M-2295 [4] BOLT  
  8M-2296 [4] NUT  
15. 6N-0425 [1] COUPLING  
16. 5L-8854 [2] RING  
17. 9M-1869 [1] PIPE  
18. 2M-5173 [4] SEAL  
19. 1A-2029 [4] BOLT  
20. 4N-2494 [1] ELBOW  
21. 6N-4033 [1] BRACKET ASSEM.  
22. 0S-1594 [2] BOLT  
23. 3B-1915 [2] BOLT  
24. 0S-1591 [4] BOLT  
  C   INDICATES CHANGE
 

#SEBP10790139
 

4N-4306: LINES GP-AIR

4N4306 AIR LINES GROUP
Serial No. 50W873 to 50W884, 50W886 to 50W929, 50W931 to 50W999 and 50W1001 to 50W1205 inclusive
c165802 SEBP1079
4N4306 LINES GP-AIR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-2493 [1] ELBOW  
2. 9S-2592 [1] HOSE  
3. 5P-3860 [2] CLAMP  
4. 1V-6566 [1] PIPE ASSEM.  
    (Includes)
  7M-1674 [1] ELEMENT  
  8M-1659 C [10] STUD  
5. 6N-4247 [1] ELBOW  
6. 0S-1595 [4] BOLT  
7. 2M-0849 [4] WASHER  
8. 6N-4250 [1] ELBOW  
9. 6L-8562 [4] STUD  
10. 1B-5355 [12] NUT  
11. 5M-2894 [24] WASHER  
12. 6N-4248 [1] BRACKET  
13. 0S-1590 [4] BOLT  
14. 6N-4249 [1] ELBOW  
  2N-2765 C [4] BOLT  
  2N-2766 C [4] LOCKNUT  
15. 9L-5839 C [1] COUPLING  
16. 5L-8854 [2] RING  
17. 9M-1869 [1] PIPE  
18. 2M-5173 [4] SEAL  
19. 1A-2029 [4] BOLT  
20. 4N-2494 [1] ELBOW  
21. 6N-4033 [1] BRACKET ASSEM.  
22. 0S-1594 [2] BOLT  
23. 3B-1915 [2] BOLT  
24. 0S-1591 [4] BOLT  
  C   INDICATES CHANGE
 

Information:

Caterpillar Parts SIS Catalog 988B :

COOLER GP-HYDRAULIC OIL
4N-1953 COOLER GP-HYDRAULIC OIL
COOLANT CONDITIONER GP
8N-5526 COOLANT CONDITIONER GP
COOLER GP-ENGINE OIL
4N-0729 COOLER GP-ENGINE OIL
PUMP GP-WATER
4N-7498 PUMP GP-WATER
LINES GP-WATER
6N-0144 LINES GP-WATER
LINES GP-WATER
6N-0144 LINES GP-WATER
LINES GP-WATER
6N-0144 LINES GP-WATER
LINES GP-WATER
6N-0144 LINES GP-WATER
VALVE GP-RELIEF
8P-1471 VALVE GP-RELIEF
LINES GP-TORQUE CONV COOLER
1V-4952 LINES GP-TORQUE CONV COOLER
LINES GP-OIL COOLER
1V-4966 LINES GP-OIL COOLER
LINES GP-OIL COOLER
1V-4966 LINES GP-OIL COOLER
LINES GP-AIR
4N-4305 LINES GP-AIR
LINES GP-AIR
4N-4305 LINES GP-AIR
LINES GP-AIR
1W-0638 LINES GP-AIR
LINES GP-AIR
4N-4306 LINES GP-AIR

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Italy
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