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5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 1 of 2 Part of Alternator shown on Page 87 988 WHEEL LOADER


ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGING
POWER TRAIN
TORQUE CONVERTER GP
VALVE GP-RELIEF
TORQUE CONVERTER GP
GEAR GP


ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
 

#UEG0654S0130
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 1 of 2
Part of Alternator shown on Page 87
c202886 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2260 [1] PLATE  
2. 9S-2544 [4] SCREW  
3. 8H-0878 [6] LOCKWASHER  
4. 9S-2438 [2] SCREW  
5. 7H-2079 [7] LOCKWASHER  
6. 9S-2255 [1] COVER  
7. 9S-2262 [1] GASKET  
8. 9S-2246 [1] LEAD ASSEM.  
9. 9S-9830 [1] SCREW  
10. 8F-1326 [3] WASHER  
11. 9B-7233 [3] LOCKWASHER (Shake Proof)  
12. 9S-9829 [1] SCREW ASSEM.  
13. 4B-2043 [4] NUT  
14. 9S-2259 [1] REGULATOR  
15. 9S-2250 [1] GROMMET  
16. 9S-2011 [1] SCREW  
17. 1L-4789 [1] LOCKWASHER  
18. 9S-2389 [1] STUD ASSEM.  
19. 9S-2398 [1] HOUSING ASSEM.  
20. 9S-2393 [3] DIODE  
21. 9S-2397 [1] COVER  
22. 9F-2247 [1] PLUG  
23. 9S-2395 [1] BEARING  
24. 9S-2394 [1] SEAL  
25. 9S-2396 [1] BUSHING  
26. 9S-2007 [3] SCREW  
27. 9S-2301 [1] INSULATION  
28. 9S-2292 [1] HEAT SINK ASSEM.  
29. 9S-2300 [4] INSULATOR  
30. 9S-9830 C [4] SCREW  
  9S-2247 [4] WASHER (Spring)  
  4B-4863 [4] WASHER (Plain)  
31. 9S-2542 [1] SCREW  
32. 9S-2437 [5] SCREW  
  9S-2013 H [1] KIT (Terminal Relay)  
    (Consists of Bushing, "O" Ring & Hardware)
  9S-2012 H [1] KIT (Terminal Output)  
    (Consists of Gaskets, Terminal & Hardware)
  9S-2290 H [1] KIT (Heat Sink)  
    (Diode Junction Hardware)
  9S-2291 H [1] KIT (Heat Sink)  
    (Positive Diode Hardware)
  C   INDICATES CHANGE
  H   NOT PART OF 5S9088 ALTERNATOR
 

#UEG0654S0131
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 2 of 2
Part of Alternator shown on Page 87
c113560 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2242 [1] RACE  
2. 9S-2248 [1] FIELD COIL AND SUPPORT ASSEM.  
3. 9S-2004 [1] STATOR ASSEM.  
4. 9S-2006 [1] INSULATOR  
5. 9S-2005 [1] GROMMET  
6. 9S-2014 [3] CLIP  
7. 9S-2302 [1] ROTOR ASSEM.  
8. 9S-2390 [1] RETAINER ASSEM.  
9. 9S-2391 [1] SEAL  
10. 9S-2256 [1] GASKET  
11. 9S-2261 [1] COLLAR  
12. 2F-5721 [1] BEARING  
13. 2P-5616 [1] FRAME  
14. 3B-4502 [4] LOCKWASHER  
15. 9S-2009 [4] BOLT  
16. 9S-2391 [1] SEAL  
17. 9S-2254 [1] COLLAR  
18. 9S-2252 [1] SLINGER  
19. 9S-2008 [4] SCREW  
20. 9S-2258 [1] FAN AND BAFFLE ASSEM.  
21. 7F-7621 [1] WASHER  
22. 2K-4821 [1] LOCKNUT  
 

#UEG0654S0132
 

9M-2102: TORQUE CONVERTER

TORQUE CONVERTER (9M2102 N/S)
Serial No. 87A5628 to 6831, 6833 to 87A6867 inclusive
1T520 Torque Converter and 2S624, 2S1390 Valve parts are shown on Pages 92 and 93
See Page 17 for Gasket Kit
c74890 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0T-0320 [12] BOLT  
  3B-4507 [12] LOCKWASHER  
  1T-0520 Y [1] CONVERTER ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1A-4672 [2] PLUG  
  1A-2029 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  0T-0573 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  9M-6844 [1] FLANGE  
  2H-3927 [1] SEAL  
  6F-7030 [2] BOLT  
  9M-1367 [1] LOCK  
  2S-1390 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  5M-7339 [1] WASHER  
  1S-6543 [1] SEAL  
  6F-4718 [1] SEAL  
  9M-6842 [1] COVER  
  0S-1619 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2S-0624 Y [1] VALVE GROUP  
    (SEE SEPARATE ILLUSTRATION)
  9H-0846 [1] SEAL  
  Y   SEPARATE ILLUSTRATION
 

#UEG0654S0133
 

1T-0520: HYDRAULIC TORQUE CONVERTER ASSEMBLY

1T520 HYDRAULIC TORQUE CONVERTER ASSEMBLY
Serial No. 87A5628 to 6831, 6833 to 87A6867 inclusive
Part of Torque Converter shown on Page 91
c104159 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1T-0066 [1] HOUSING  
  1T-0532 [1] BEARING  
  1T-0076 [1] SPACER  
  1T-0531 [1] RETAINER  
  7M-5130 [1] PIN  
  0S-1584 [1] BOLT  
  1T-0519 [1] PILOT  
  0S-1594 [6] BOLT  
  3F-3727 [1] RING  
  1T-0414 [8] BOLT  
  1T-0535 [1] WHEEL ASSEM.  
  1T-0536 [1] FLANGE  
    (PART OF WHEEL ASSEM. 1T535)
  1T-0052 [1] WHEEL (TURBINE)  
  7B-3028 [2] SCREW  
  1T-0675 [1] PLATE  
  1T-0387 [1] WHEEL (IMPELLER)  
  1T-0521 [1] RETAINER  
  4H-1440 [6] PIN  
  1T-0425 [1] BEARING  
  1T-0208 [1] RING  
  1K-6986 [1] RING  
  8B-5964 [1] INNER RACE  
  1T-0524 [1] SHAFT  
  5H-1901 [1] OUTER RACE AND ROLLER ASSEM.  
  1T-0526 [1] CARRIER ASSEM.  
  1T-0069 [2] RING  
  1A-2209 [8] BOLT  
  1T-0064 [1] CARRIER  
  1T-0738 [36] WASHER  
  4B-3388 [36] BOLT  
 

#UEG0654S0134
 

2S-0624: RELIEF VALVE GROUP

2S624 RELIEF VALVE GROUP
Part of Torque Converter shown on Page 91
c87373 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5M-6214 [1] PLUG  
  8M-8475 [1] HOUSING ASSEM.  
  4M-8239 [2] COVER  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  8M-4986 [3] SEAL  
  [1] VALVE  
  7B-3028 [1] SCREW  
  2S-0623 [1] PLATE (IDENTIFICATION)  
  7M-1377 [1] STOP  
    (PART OF HOUSING ASSEM. 8M8475)
  8M-8157 [1] SEAL  
  5M-7883 [1] SPRING  
  4B-5270 [2] WASHER  
 

#UEG0654S0135
 

2S-1390: RELIEF VALVE GROUP

2S1390 RELIEF VALVE GROUP
Part of Torque Converter shown on Page 91
c110227 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-1345 [1] COVER  
  7M-5814 [1] SPACER  
  8M-5254 [2] SEAL  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5M-9622 [1] SPACER (.062" THICK)  
  5M-9623 [1] SPACER (.036" THICK)  
  5M-9624 [1] SPACER (.010" THICK)  
  0S-1591 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2S-1415 [1] SPRING  
  8M-5254 [2] SEAL  
  7M-1397 [2] SPACER (.036" THICK)  
  5M-3492 [2] SPACER (.010" THICK)  
  8M-8627 [1] SPRING  
  2S-1413 [1] SPRING  
  8M-5254 [2] SEAL  
  9M-2058 [1] STOP  
  4M-5912 [1] SPRING  
  1K-8362 [1] SPOOL  
  5M-7908 [2] PLUG ASSEM.  
  3J-1907 [2] SEAL  
    (1 IN EACH PLUG ASSEM. 5M7908)
  4S-5983 [1] VALVE ASSEM.  
  5M-9554 [1] VALVE  
  4S-5982 [1] VALVE  
  5M-9548 [1] SPRING  
  8M-2537 [1] RETAINER  
  1L-3162 [1] RING  
  7M-5819 [1] HOUSING  
  2M-1656 [2] COVER  
  2S-1434 [1] PLATE (IDENTIFICATION)  
  7B-3028 [1] SCREW  
    (NOT SHOWN)
 

#UEG0654S0136
 

1T-0985: TORQUE CONVERTER GROUP

1T985 TORQUE CONVERTER GROUP
Note: Provides a modified converter for high altitude operation
AN ATTACHMENT
c128248 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1T-0066 [1] HOUSING  
  1T-0532 [1] BEARING  
  1T-0076 [1] SPACER  
  1T-0531 [1] RETAINER  
  7M-5130 [1] PIN  
  0S-1584 [1] BOLT  
  1T-0519 [1] PILOT  
  0S-1594 [6] BOLT  
  3F-3727 [1] RING  
  1T-0414 [8] BOLT  
  1T-0535 [1] WHEEL ASSEM.  
  1T-0536 [1] FLANGE  
    (PART OF WHEEL ASSEM. 1T535)
  1T-0052 [1] WHEEL (TURBINE)  
  7B-3028 [2] SCREW  
  1T-0675 [1] PLATE  
  1T-0699 [1] WHEEL (IMPELLER)  
  1T-0521 [1] RETAINER  
  4H-1440 [6] PIN  
  1T-0425 [1] BEARING  
  1T-0208 [1] RING  
  1K-6986 [1] RING  
  8B-5964 [1] INNER RACE  
  1T-0524 [1] SHAFT  
  5H-1901 [1] OUTER RACE AND ROLLER ASSEM.  
  1T-0526 [1] CARRIER ASSEM.  
  1T-0069 [2] RING  
  1A-2209 [8] BOLT  
  1T-0064 [1] CARRIER  
  1T-0738 [36] WASHER  
  4B-3388 [36] BOLT  
 

#UEG0654S0137
 

1P-7117: TORQUE CONVERTER AND IMPLEMENT PUMP DRIVE

TORQUE CONVERTER AND IMPLEMENT PUMP DRIVE (1P7117 N/S)
c112498 UEG0654S
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1M-8365 [1] WASHER  
  0S-1594 [2] BOLT  
  5M-9416 [1] LOCK  
  1P-0011 [1] BEARING  
  1B-4203 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  0S-1591 [9] BOLT  
  3B-4506 [9] LOCKWASHER  
  3F-0957 [2] DOWEL  
    (PART OF ADAPTER ASSEM. 5S8519)
  5S-8519 [1] ADAPTER ASSEM.  
  5S-8543 [1] BEARING  
    (PART OF ADAPTER ASSEM. 5S8519)
  1P-0012 [1] GEAR ASSEM.  
    (52 TEETH)
  1M-9745 [1] GASKET  
  4M-9132 [1] WASHER  
  0S-1594 [3] BOLT  
  5M-9420 [1] LOCK  
  9S-1986 [1] COVER  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1H-7339 [1] SEAL  
  1M-9702 [1] GEAR ASSEM.  
    (60 TEETH)
 

#UEG0654S0138
 

8K-9925: TRANSFER GEARS

TRANSFER GEARS (8K9925 N/S)--As Viewed from R.H. Side of Machine--Part 1 of 3
Serial No. 87A5628 to 6831, 6833 to 87A6867 inclusive
See Page 17 for Gasket Kit
c138880 UEG0654S
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-1164 [2] SEAL  
2. 7S-9617 [1] COVER  
3. 8M-6982 [1] GASKET  
4. 1A-1135 [15] BOLT  
5. 3B-4510 [16] LOCKWASHER  
6. 8S-9092 [1] BOLT  
7. 8K-6707 [1] SHAFT ASSEM.  
  2D-6642 [4] BALL  
8. 8K-6705 [1] COUPLING  
9. 1S-8969 [1] PLUG  
10. 1K-6985 [1] RING  
11. 3D-4363 [1] RING  
12. 8S-7988 [1] SHAFT  
13. 3K-9662 [1] BEARING ASSEM.  
14. 9F-1399 [2] SEAL  
15. 2K-8257 [1] SEAL  
16. 2D-8540 [2] SEAL  
17. 2S-1378 [2] SHIM PACK  
18. 0S-1585 [3] BOLT  
  2M-0849 [3] WASHER  
19. 2S-0672 [1] RETAINER  
20. 3K-9917 [1] YOKE ASSEM.  
21. 3K-9608 [1] GUARD  
22. 2H-2665 [1] SEAL  
23. 8M-6747 [1] RETAINER  
24. 0S-1587 [6] BOLT  
25. 3B-4508 [87] LOCKWASHER  
26. 8M-6767 [1] CAGE  
27. 3K-6372 [1] GASKET  
28. 8M-3837 [1] PLUG  
29. 5B-3265 [1] GASKET  
30. 8M-6705 [1] COVER ASSEM.  
31. 8M-6704 [1] BOSS  
32. 0S-1595 [26] BOLT  
33. 7B-3235 [41] BOLT  
34. 8M-7042 [1] SHIM  
35. 3K-9611 [1] CAGE  
36. 6F-4718 [1] SEAL  
37. 7S-3994 [1] HOUSING ASSEM.  
  1A-5919 [2] DOWEL  
38. 1A-5919 [2] DOWEL  
39. 7S-3999 [3] SPRING  
40. 7S-4001 [3] SEAL  
41. 7S-4000 [3] PISTON  
42. 4B-4158 [4] SCREW  
43. 7S-4002 [1] PLATE  
44. 7S-3996 [1] PLATE  
45. 0S-1621 [3] BOLT  
46. 2A-1531 [6] BOLT  
47. 1T-0208 [2] SEAL  
48. 1A-1460 [1] BOLT  
49. 1D-4719 [4] NUT  
50. 1P-9269 [1] COVER  
  1P-9270 [1] GASKET  
51. 7K-9560 [1] CAGE ASSEM.  
52. 2D-8153 [4] STUD  
53. 8M-6641 [1] SHIM  
54. 2K-2939 [1] SEAL  
 

#UEG0654S0139
 

8K-9925: TRANSFER GEARS

TRANSFER GEARS (8K9925 N/S)--As Viewed from R.H. Side of Machine
Part 2 of 3
Serial No. 87A5628 to 6831, 6833 to 87A6867 inclusive
c154872 UEG0654S
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8999 [2] FITTING  
  8F-8997 [1] NUT  
2. 5P-1200 CH TUBE 66.9 cm(26.34 in.)  
    .953 cm(.375 in.) O.D.
3. 9F-0825 [1] PLUG  
4. 4H-6112 [1] BREATHER  
5. 0L-1124 [1] GASKET  
6. 4K-1661 [1] SPOUT  
7. 0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
8. 4K-1657 [1] GASKET  
9. 2A-4576 [1] CUP  
10. 1H-4203 [1] CONE  
11. 8M-7030 [1] SHIM  
12. 3F-1396 [2] CONE  
13. 3D-8241 [1] SEAL  
14. 8B-6343 [2] CUP  
15. 5S-1747 [1] GEAR (41 Teeth)  
16. 8S-7973 [2] CONE  
17. 8S-7974 [2] CUP  
18. 8M-6674 [1] GEAR (54 Teeth)  
19. 5L-1544 [2] CONE  
20. 5L-1545 [2] CUP  
21. 5S-4182 [1] GEAR (51 Teeth)  
22. 8M-7101 [1] SHAFT  
23. 7S-9618 [1] SHIM  
24. 7K-2027 [1] CAGE  
25. 0S-1585 [6] BOLT  
26. 3B-4508 [12] LOCKWASHER  
27. 7S-3993 [1] PLATE  
28. 8S-7990 [1] HUB  
29. 2H-2665 [1] SEAL  
31. 0S-1625 [3] BOLT  
  4D-3704 [3] WASHER  
32. 7S-8192 [1] RETAINER  
33. 1D-4569 [6] BOLT  
34. 7S-3998 [6] SPACER  
35. 7S-4003 [9] SPRING  
36. 1S-0057 R [3] PLATE  
37. 7S-3992 [4] DISC ASSEM.  
38. 8K-6708 [1] GEAR 43 Teeth)  
39. 0S-1595 [5] BOLT  
40. 8M-7159 [2] LOCK  
41. 3K-9921 [1] GEAR (32 Teeth)  
42. 3F-5789 [1] CONE  
43. 6F-2956 [1] CUP  
44. 8M-6801 [1] CAGE  
45. 2B-1738 [1] LOCK  
46. 7S-8193 [3] SHIM PACK .8128 mm(.032 in.) thick  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  H   ORDER BY THE CENTIMETRE
 

Information:

Engine News
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Special Instruction
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Charging System Troubleshooting {1406}
Charging System Troubleshooting {1406}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Specifications
Alternator
26SI Series Alternator
Alternator
HDB Series and M1 Series Heavy Duty Brushless Alternators
Alternator
N3 Series Brushless Alternators
Systems Operation
General Information
26SI Series Alternator
Component Description
26SI Series Alternator
Normal Operation
26SI Series Alternator
General Information
HDB Series and M1 Series Heavy Duty Brushless Alternators
Normal Operation
HDB Series and M1 Series Heavy Duty Brushless Alternators
Component Description
HDB Series and M1 Series Heavy Duty Brushless Alternators
General Information
N3 Series Brushless Alternators
Component Description
N3 Series Brushless Alternators
Normal Operation
N3 Series Brushless Alternators
Testing and Adjusting
T1 Alternator Output - Test
26SI Series Alternator
T3 Charging System - Test
26SI Series Alternator
T5 Alternator Current - Test
26SI Series Alternator
General Information
26SI Series Alternator
Component - Test
26SI Series Alternator
Field Winding - Test
HDB Series and M1 Series Heavy Duty Brushless Alternators
Capacitor - Test
HDB Series and M1 Series Heavy Duty Brushless Alternators
Stator - Test
HDB Series and M1 Series Heavy Duty Brushless Alternators
Rectifier - Test
HDB Series and M1 Series Heavy Duty Brushless Alternators
Residual Magnetism - Restore
HDB Series and M1 Series Heavy Duty Brushless Alternators
Regulator - Test
HDB Series and M1 Series Heavy Duty Brushless Alternators
Field Winding - Test
N3 Series Brushless Alternators
Capacitor - Test
N3 Series Brushless Alternators
Rectifier - Test
N3 Series Brushless Alternators
Stator - Test
N3 Series Brushless Alternators
Regulator - Test
N3 Series Brushless Alternators
Troubleshooting
General Information
N3 Series Brushless Alternators
Charging System
HDB Series and M1 Series Heavy Duty Brushless Alternators
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
Alternator - Assemble
26SI Series Alternator
Alternator - Disassemble
26SI Series Alternator
Alternator - Disassemble - M1 Series Alternator (35 Amp)
HDB Series and M1 Series Heavy Duty Brushless Alternators
Alternator - Assemble - M1 Series Alternator (35 Amp)
HDB Series and M1 Series Heavy Duty Brushless Alternators
Alternator - Assemble - HDB Series Alternator
HDB Series and M1 Series Heavy Duty Brushless Alternators
Alternator - Disassemble - HDB Series Alternator
HDB Series and M1 Series Heavy Duty Brushless Alternators
Alternator - Assemble
N3 Series Brushless Alternators
Alternator - Disassemble
N3 Series Brushless Alternators
Service Magazine
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}

Caterpillar Parts SIS Catalog 988 :

Truck sale:

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