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8K8656 IMPLEMENT PUMP AND LINES GROUP--Part 1 of 2--Type 1 Serial No. 87A6388, 6392, 6394, 6396, 6400, 6402, 6404, 6408, 6410, 6412, 6416, 6418, 6420, 6424, 6426, 6428, 6432, 6434, 6436 and 87A6438-Up 988




HYDRAULIC SYSTEM

LINES GP-PUMP
 

#UEG0654S0380
 

8K-8656: IMPLEMENT PUMP AND LINES GROUP

8K8656 IMPLEMENT PUMP AND LINES GROUP--Part 1 of 2--Type 1
Serial No. 87A6388, 6392, 6394, 6396, 6400, 6402, 6404, 6408, 6410, 6412, 6416, 6418, 6420, 6424, 6426,
6428, 6432, 6434, 6436 and 87A6438-Up
c149179 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
2. 8K-7311 [1] TUBE ASSEM.  
  1H-7339 [1] SEAL  
3. 6D-2399 [1] HOSE  
4. 5P-0598 C [4] CLAMP  
5. 7S-2498 [1] TUBE ASSEM.  
6. 0S-1608 [2] BOLT  
7. 3B-4506 [5] LOCKWASHER  
8. 0S-1588 [2] BOLT  
9. 2H-4145 [1] SEAL  
10. 6J-3650 [1] SEAL  
11. 1D-4566 C [2] BOLT  
12. 3B-4508 [2] LOCKWASHER  
13. 9K-3083 [1] TUBE ASSEM.  
  9S-8010 [1] PLUG  
  2S-4078 [1] SEAL  
14. 1A-1460 [1] BOLT  
  1F-7960 [1] WASHER  
  1B-4264 [1] COLLAR  
15. 0S-1594 [1] BOLT  
  1D-4717 [1] NUT  
16. 2S-2162 [2] CLAMP  
  C   INDICATES CHANGE
 

#UEG0654S0381
 

8K-8656: IMPLEMENT PUMP AND LINES GROUP

8K8656 IMPLEMENT PUMP AND LINES GROUP--Part 2 of 2--Type 1
Serial No. 87A6388, 6392, 6394, 6396, 6400, 6402, 6404, 6408, 6410, 6412, 6416, 6418, 6420, 6424,
6426, 6428, 6432, 6434, 6436 and 87A6438-Up
c221749 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7392 [1] PUMP GROUP  
    (Includes)
2. 0S-1566 [8] BOLT  
  4B-4281 C [8] WASHER  
3. 7J-8313 [1] ADAPTER  
4. 5F-3106 [2] SEAL  
5. 7J-8902 [2] BOLT  
6. 0S-1566 [2] BOLT  
  4D-3704 [2] WASHER  
7. 7F-0489 C [1] BOLT  
8. 3B-4508 [4] LOCKWASHER  
9. 9K-8144 [1] PLATE ASSEM.  
10. 9K-8049 [1] TUBE ASSEM.  
  1N-5998 [1] PLUG  
  6K-6307 [1] SEAL  
  1P-3707 C [1] SEAL  
11. 1D-4566 C [5] BOLT  
12. 2M-0849 [3] WASHER  
13. 1D-4719 [8] NUT  
14. 2B-0947 C [2] BOLT  
15. 1P-4579 [4] FLANGE  
16. 4J-0524 C [2] SEAL  
17. 9K-2838 [1] HOSE ASSEM.  
  8S-8220 H HOSE 103.5 in.(262.89 cm)  
18. 2P-8355 [1] STEM ASSEM. (110 degrees)  
19. 5P-7536 CJ GUARD 232.5 cm (91.54 in.)  
20. 3S-8330 [2] SLEEVE  
21. 3S-9332 [1] STEM ASSEM. (90 degrees)  
22. 4B-4280 C [12] WASHER  
23. 4K-4937 C [4] BOLT  
    THE FOLLOWING REPAIR KIT FOR PUMP GROUP IS AVAILABLE:
  8J-7287 C [1] KIT (seal)  
  H   ORDER BY THE INCH
  J   ORDER BY THE CENTIMETER
  C   INDICATES CHANGE
 

#UEG0654S0382
 

8K-8656: IMPLEMENT PUMP AND LINES GROUP

8K8656 IMPLEMENT PUMP AND LINES GROUP--Part 1 of 2--Type 2
Serial No. 87A6388, 6392, 6394, 6396, 6400, 6402, 6404, 6408, 6410, 6412, 6416, 6418, 6420, 6424, 6426,
6428, 6432, 6434, 6436 and 87A6438-Up
c158600 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
2. 8K-7311 [1] TUBE ASSEM.  
  1H-7339 [1] SEAL  
3. 6D-2399 [1] HOSE  
4. 5P-0598 [4] CLAMP  
5. 7S-2498 [1] TUBE ASSEM.  
6. 0S-1608 [2] BOLT  
7. 3B-4506 [5] LOCKWASHER  
8. 0S-1588 [2] BOLT  
9. 2H-4145 [1] SEAL  
10. 1P-3705 C [1] SEAL  
11. 1D-4566 [2] BOLT  
12. 3B-4508 [2] LOCKWASHER  
13. 9K-3083 [1] TUBE ASSEM.  
  9S-8010 [1] PLUG  
  2S-4078 [1] SEAL  
14. 1A-1460 [1] BOLT  
  1F-7960 [1] WASHER  
  1B-4264 [1] COLLAR  
15. 0S-1594 [1] BOLT  
  1D-4717 [1] NUT  
16. 2S-2162 [2] CLAMP  
  C   INDICATES CHANGE
 

#UEG0654S0383
 

8K-8656: IMPLEMENT PUMP AND LINES GROUP

8K8656 IMPLEMENT PUMP AND LINES GROUP--Part 2 of 2--Type 2
Serial No. 87A6388, 6392, 6394, 6396, 6400, 6402, 6404, 6408, 6410, 6412, 6416, 6418, 6420, 6424, 6426,
6428, 6432, 6434, 6436 and 87A6438-Up
c221750 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-7392 [1] PUMP GROUP  
    (Includes)
2. 0S-1566 [8] BOLT  
  4B-4281 [8] WASHER  
3. 7J-8313 [1] ADAPTER  
4. 5F-3106 [2] SEAL  
5. 7J-8902 [2] BOLT  
6. 0S-1566 [2] BOLT  
  4D-3704 [2] WASHER  
7. 7F-0489 [1] BOLT  
8. 3B-4508 [4] LOCKWASHER  
9. 9K-8144 [1] PLATE ASSEM.  
10. 9K-8049 [1] TUBE ASSEM.  
  1N-5998 [1] PLUG  
  6K-6307 [1] SEAL  
  1P-3707 [1] SEAL  
11. 1D-4566 [5] BOLT  
12. 2M-0849 [3] WASHER  
13. 1D-4719 [8] NUT  
14. 2B-0947 [2] BOLT  
15. 1P-4579 [4] FLANGE  
16. 4J-0524 C [2] SEAL  
17. 9K-2838 [1] HOSE ASSEM.  
  8S-8220 CH HOSE 103.5 in. (262.89 cm)  
18. 2P-8355 [1] STEM ASSEM. (110 degrees)  
19. 5P-7536 CJ GUARD 232.5 cm (91.54 in.)  
20. 3S-8330 [2] SLEEVE  
21. 3S-9332 [1] STEM ASSEM. (90 degrees)  
22. 4B-4280 [12] WASHER  
23. 4K-4937 [4] BOLT  
    THE FOLLOWING REPAIR KIT FOR PUMP GROUP IS AVAILABLE:
  8J-7287 [1] KIT (seal)  
  C   INDICATES CHANGE
  J   ORDER BY THE CENTIMETER
  H   ORDER BY THE INCH
 

#UEG0654S0384
 

4V-6487: HOSE AS

4V6487 HOSE ASSEMBLY
Provides Field Replacement for 6K4551 Hose Assembly shown on Pages 236 and 236B
Note: 1--4J520 Seal with 32.9 mm I.D. (1.296 in. I.D.) and 1--4J522 Seal with 37.7 mm I.D.
(1.484 in. I.D.) also required
UEG0654S0384 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3S-8498 [1] STEM ASSEMBLY (30 degree)  
  3S-7252 [2] SLEEVE  
  8S-9355 [56 IN.] HOSE  
  7S-0572 [1] STEM ASSEMBLY (30 degree)  
  5P-7534 [130 CM] GUARD  
 

#UEG0654S0385
 

4V-6488: HOSE AS

4V6488 HOSE ASSEMBLY
Provides Field Replacement for 7K884 Hose Assembly shown on Pages 236 and 236B
Note: 2--4J522 Seal with 37.7 mm I.D. (1.484 in. I.D.) also required
UEG0654S0385 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3S-8569 [2] STEM ASSEMBLY (30 degree)  
  3S-7116 [2] SLEEVE  
  8S-9348 [54 IN.] HOSE  
  5P-7535 [130 CM] GUARD  
 

#UEG0654S0386
 

6K-2918: LIFT CYLINDER LINES

LIFT CYLINDER LINES (6K2918 N/S)--As Viewed from Front Left Hand Side of Machine--Part 1 of 2
Serial No. 87A5628 to 87A6583 inclusive
7J3356 Swivel Joint parts are shown on Page 242
c151567 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4K-5175 [4] BOLT  
  5J-1357 [2] SEAL  
  4K-0708 [1] MANIFOLD  
  3H-3667 [4] FLANGE  
  0T-0772 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  6K-4551 [2] HOSE ASSEM.  
  3S-8491 [2] STEM ASSEM.  
    (1 in Each 6K4551 Assem.)
  6J-3600 [2] SEAL (1.00" I.D.)  
  3S-7252 [4] SLEEVE  
  CJ [25.4 DM(100 IN.)] GUARD  
  5P-0181 CH [274 CM(107.88 IN.)] HOSE  
  5S-8114 [2] STEM ASSEM.  
    (One Hall Each in 6K4551 Assem.)
  6J-3625 [2] SEAL (1.25" I.D.)  
  8K-6470 [2] HOSE ASSEM.  
  5P-0182 CH [113 CM(44.49 IN.)] HOSE  
  3S-7116 [2] SLEEVE  
  1P-1218 [1] STEM ASSEM.  
  3S-8580 [1] STEM ASSEM. (90)  
  6J-3625 [4] SEAL  
  7J-3356 Y [2] SWIVEL JOINT GROUP  
    (See Separate Illustration)
  0S-1585 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  1D-4566 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4K-2135 [2] SPACER  
  6K-2775 [1] TUBE ASSEM.  
  5J-1359 [1] SEAL  
  0S-1587 [1] BOLT (1.75" Long)  
  3B-4508 [1] LOCKWASHER  
  1B-2886 [1] BOLT (3.75" Long)  
  3B-4508 [1] LOCKWASHER  
  9S-1366 [2] BOLT (2.50" Long)  
  3B-4508 [2] LOCKWASHER  
  4B-4280 [1] WASHER  
  6K-2776 [1] TUBE ASSEM.  
  5J-1358 [1] SEAL  
  4K-0708 [1] MANIFOLD  
  0T-0772 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  3H-3667 [4] FLANGE  
  6K-2773 [2] BRACKET  
  4F-8965 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  4B-4279 [6] WASHER  
  0T-0768 [2] BOLT  
  9M-5048 C [2] NUT  
  3H-5368 [16] BOLT  
  3B-4507 [16] LOCKWASHER  
  3H-3667 [4] FLANGE  
  3K-7751 [2] BAR ASSEM.  
  5K-8454 [2] BOLT  
  4B-4280 [4] WASHER  
  3H-3667 [4] FLANGE  
  7K-0884 [2] HOSE ASSEM.  
  3S-8576 [2] STEM ASSEM.  
  3S-7116 [2] SLEEVE  
  JC GUARD (50 in.)12.7 dm  
  5P-0182 HC HOSE (53.8 in.)136.65 cm  
  6J-3625 [4] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE CENTIMETRE I.D. I
  J   ORDER BY THE DECIMETRE
 

#UEG0654S0387
 

6K-2918: LIFT CYLINDER LINES

LIFT CYLINDER LINES (6K2918 N/S)--As Viewed from Front Left Hand Side of Machine--Part 2 of 2
Serial No. 87A5628 to 87A6583 inclusive
c135055 UEG0654S
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0L-2070 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  1H-3305 [4] FLANGE  
  5J-1356 [2] SEAL  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  6K-2774 [1] SPACER  
  6K-6309 [1] TUBE ASSEM  
  0T-0768 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  4K-2145 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  7K-1423 [4] FLANGE  
  6K-6308 [1] TUBE ASSEM.  
  6K-6310 [1] TUBE ASSEM.  
  6K-2777 [1] TUBE ASSEM.  
  3H-5368 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  3H-3667 [12] FLANGE  
  5J-1357 [4] SEAL  
  3H-5368 [8] BOLT  
  3B-4507 [8] LOCKWASHER  
  6K-2779 [1] TUBE ASSEM.  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  3K-7751 [2] BAR ASSEM.  
  1D-4707 [4] BOLT  
  1D-4718 [4] NUT  
  3B-4507 [4] LOCKWASHER  
  5K-8454 [2] BOLT  
  4B-4280 [2] WASHER  
  6K-6309 [1] TUBE ASSEM.  
  0T-0768 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
  3H-3667 [8] FLANGE  
  5J-1357 [2] SEAL  
  0L-2070 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  1H-3305 [4] FLANGE  
  5J-1356 [2] SEAL  
  6K-2774 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  3H-3667 [4] FLANGE  
  1D-4703 [4] BOLT  
  1D-4718 [4] NUT  
  3B-4507 [4] LOCKWASHER  
  5K-7661 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  5J-1357 [2] SEAL  
  4K-2145 [2] SPACER  
 

#UEG0654S0388
 

6K-2918: LIFT CYLINDER LINES

LIFT CYLINDER LINES (6K2918 N/S)--As Viewed from Front Left Hand Side of Machine--Part 1 of 2
Serial No. 87A6584-Up
8J7358 Swivel Joint parts are shown on Page 242A
c151568 UEG0654S
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4K-5175 [4] BOLT  
  6J-3625 [2] SEAL  
  4K-0708 [1] MANIFOLD  
  1P-4578 [2] FLANGE  
  0T-0772 [4] BOLT  
  6K-4551 [2] HOSE ASSEM.  
  3S-8491 [2] STEM ASSEM.  
    (1 in Each 6K4551 Assem.)
  6J-3600 [2] SEAL (1.00 in. I.D.)  
  3S-7252 [4] SLEEVE  
  CJ [25.4 DM(100 IN.)] GUARD  
  5P-0581 CH [274 CM(107.88 IN.)] HOSE  
  5S-8114 [2] STEM ASSEM.  
    (One Half Each in 6K4551 Assem.)
  6J-3625 [1] SEAL (1.25 in. I.D.)  
  8K-6470 [2] HOSE ASSEM.  
    (Each Includes)
  5P-0182 CH [113 CM(44.49 IN.)] HOSE  
  3S-7116 [2] SLEEVE  
  1P-1218 [1] STEM ASSEM.  
  3S-8580 [1] STEM ASSEM. (90 degrees)  
  6J-3625 [4] SEAL  
  8J-7358 Y [2] SWIVEL JOINT GROUP  
    (Separate Illustration)
  0S-1585 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  1D-4566 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4K-2135 [2] SPACER  
  6K-2775 [1] TUBE ASSEM.  
  6J-3800 C [1] SEAL  
  0S-1587 [1] BOLT (1.75 in. long)  
  3B-4508 [1] LOCKWASHER  
  1B-2886 [1] BOLT (3.75 in. long)  
  3B-4508 [1] LOCKWASHER  
  9S-1366 [2] BOLT (2.50 in. long)  
  3B-4508 [2] LOCKWASHER  
  4B-4280 [1] WASHER  
  6K-2776 [1] TUBE ASSEM.  
  6J-3650 C [1] SEAL  
  4K-0708 [1] MANIFOLD  
  0T-0772 [4] BOLT  
  1P-4578 C [2] FLANGE  
  6K-2773 [2] BRACKET  
  4F-8965 [4] BOLT (1.125 in. long)  
  0T-0768 [2] BOLT (1.75 in. long)  
  9M-5048 C [2] NUT  
  3B-4507 [4] LOCKWASHER  
  4B-4279 [6] WASHER  
  3H-5368 [8] BOLT  
  1P-4578 C [4] FLANGE  
  3K-7751 [2] BAR ASSEM.  
  5K-8454 [2] BOLT  
  4B-4280 [4] WASHER  
  1P-4578 C [4] FLANGE  
  7K-0884 [2] HOSE ASSEM.  
    (Each Includes)
  3S-8576 [2] STEM ASSEM.  
  3S-7116 [2] SLEEVE  
  8S-7243 JC GUARD (50 in.)12.7 dm  
  8S-9348 HC HOSE (53.8 in.)136.65 cm  
  6J-3625 [1] SEAL  
  J   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE CENTIMETRE
  C   INDICATES CHANGE
 

#UEG0654S0389
 

6K-2918: LIFT CYLINDER LINES

LIFT CYLINDER LINES (6K2918 N/S)--As Viewed from Left Hand Side of Machine--Part 2 of 2
Serial No. 87A6584-Up
c145245 UEG0654S
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8F-6974 C [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  1P-4577 C [4] FLANGE  
  6J-3600 C [2] SEAL  
  0S-1587 [1] BOLT  
  2H-3788 [2] NUT  
  4B-4280 [1] WASHER  
  6K-2774 [1] SPACER  
  6K-6309 [1] TUBE ASSEM.  
  0T-0768 [4] BOLT  
  4K-2145 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  7K-1423 [4] FLANGE  
  6K-6308 [1] TUBE ASSEM.  
  6K-6310 [1] TUBE ASSEM.  
  3R-6002 C [2] FLANGE  
  4J-8998 C [2] SEAL  
  C [8] BOLT  
  6K-2777 [1] TUBE ASSEM.  
  3H-5368 [8] BOLT  
  3B-4507 C [4] LOCKWASHER  
  1P-4578 C [12] FLANGE  
  6J-3625 C [4] SEAL  
  3H-5368 [8] BOLT  
  3B-4507 C [4] LOCKWASHER  
  6K-2779 [1] TUBE ASSEM.  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  3K-7751 [2] BAR ASSEM.  
  1D-4703 [4] BOLT  
  1D-4718 [4] NUT  
  3B-4507 [4] LOCKWASHER  
  5K-8454 [2] BOLT  
  4B-4280 [2] WASHER  
  6K-6309 [1] TUBE ASSEM.  
  0T-0768 [4] BOLT  
  1P-4578 C [8] FLANGE  
  6J-3625 C [4] SEAL  
  8F-6974 C [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  1P-4577 C [4] FLANGE  
  6K-2774 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  1D-4556 C [4] BOLT  
  1D-4718 [4] NUT  
  3B-4507 [4] LOCKWASHER  
  5K-7661 [1] SPACER  
  0S-1587 [1] BOLT  
  2H-3788 [1] NUT  
  4B-4280 [1] WASHER  
  0S-1587 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  6J-3625 C [2] SEAL  
  4K-2145 [2] SPACER  
  C   INDICATES CHANGE
 

Information:

Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
Service Magazine

Caterpillar Parts SIS Catalog 988 :

Truck sale:

35.000 
35.000 
 
Caterpillar 988, Radlader, Bau-Und Bergbauausrüstung
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
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Caterpillar 988, Radlader, Bau-Und Bergbauausrüstung
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
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32,000 
Caterpillar BALDE988_STD_CL.UO, Construction
- Petroleum Engines
FINNING CHILE S.A.
Chile
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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.