AVSPARE.COM
parts catalog

184-3124 PUMP GP-PISTON -HYDRAULIC FAN S/N AZW1-UP PART OF 231-8625 PUMP & MTG GP-HYDRAULIC FAN 825H




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP40040580
 

184-3124: PUMP GP-PISTON

184-3124 PUMP GP-PISTON -HYDRAULIC FAN
S/N AZW1-UP
PART OF 231-8625 PUMP & MTG GP-HYDRAULIC FAN
i01440878 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-7868 Y [1] ROTATING GP-PUMP  
2. 168-7861 [1] PISTON-ACTUATOR  
3. 168-2198 [1] LINK-CONTROL  
4. 175-6795 [1] SWASHPLATE  
5. 175-6801 [1] SHAFT-PUMP  
6. [1] PLUG  
7. 127-9490 [1] SPRING (BIAS)  
8. 127-9483 B [1] SHIM (PRELOAD)  
9. 185-0263 [1] BEARING  
10. 168-7871 [1] HOUSING-PUMP  
11. 189-4717 [1] BEARING  
12. 3J-7354 [1] SEAL-O-RING  
13. 237-4227 [2] BEARING-CRADLE  
14. 166-0344 [1] SEAL-SHAFT  
15. 127-9485 [1] SEAL-O-RING  
16. 8T-7525 [1] SEAL-O-RING  
17. 168-3504 [1] SEAL  
18. 8C-3110 [1] RING-RETAINING  
19. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
20. 136-8423 [1] PLUG-BREAK OFF  
21. 9X-8979 [1] DOWEL  
22. 9S-8006 [1] PLUG (7/8-14-THD)  
23. 2M-9780 [1] SEAL-O-RING  
24. 168-2210 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
25. 9X-7680 [3] SEAL-O-RING  
26. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
27. 9S-8002 [1] PLUG (7/16-20-THD)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP40040581
 

184-3122: PUMP GP-VANE

184-3122 PUMP GP-VANE -IMPLEMENT
S/N AZW1-UP
PART OF 183-9362 PUMP & MTG GP-IMPLEMENT
i01446675 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-4534 J [4] BOLT-SOCKET HEAD (3/8-16X1-IN)  
2. 1D-4593 [4] BOLT (5/8-11X5.5-IN)  
3. 008-3214 J [2] RING-RETAINING (INTERNAL)  
4. 116-4061 J [1] KIT-FLANGE MOUNTING  
5. 116-4062 [1] BODY-PUMP  
6. 2P-1692 [1] SEAL-O-RING  
7. 125-0688 Y [1] CARTRIDGE GP-VANE PUMP  
8. 116-4065 [1] COVER-PUMP  
9. 2D-5826 [1] RING-RETAINING  
10. 116-4066 N [1] CARRIER AS-BEARING  
11. 3C-8388 N [1] PIN-ROLL  
12. 4M-5285 [1] RING-RETAINING  
13. 2J-8172 [1] RING-RETAINING (INTERNAL)  
14. 2L-5271 [1] BALL BEARING  
15. 5P-0908 [1] SEAL-O-RING  
16. 6E-2943 J [1] PLUG  
17. 9J-7814 [2] SEAL-LIP TYPE  
18. 116-4067 [1] SHAFT-PUMP  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  N   ASSEMBLY MARKED N SERVICES PART MARKED N
  Y   SEPARATE ILLUSTRATION
 

#SEBP40040582
 

168-7868: ROTATING GP-PUMP

168-7868 ROTATING GP-PUMP -HYDRAULIC FAN
S/N AZW1-UP
PART OF 184-3124 PUMP GP-PISTON
i01132828 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 138-8175 [1] BEARING-SPHERICAL  
2. 168-7940 [3] PIN  
3. 096-0015 [1] RING-RETAINING  
4. 233-0455 [1] BARREL  
5. 168-7941 [1] SPRING  
6. 168-7942 [1] WASHER (28.2X36.5X2-MM THK)  
7. 168-7943 [9] PISTON AS-PUMP  
8. 168-7944 [1] PLATE-RETRACTION  
9. 138-8173 [1] PLATE-VALVE  
 

#SEBP40040583
 

185-0820: TANK GP-HYDRAULIC

185-0820 TANK GP-HYDRAULIC
S/N AZW1-UP
PART OF 234-4336, 302-1354 HYDRAULIC AR
i01870679 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 186-2760 [1] TANK AS-HYDRAULIC  
2. 118-8400 [1] COVER AS  
  7J-5225 [1] FITTING (1-1/16-12-THD)  
  7X-0752 M [1] BOSS-WELD (M10X1.5X65-MM)  
3. 6V-4248 M [62] BOLT (M10X1.5X25-MM)  
4. 6V-7744 M [64] LOCKNUT (M10X1.5-THD)  
5. 5H-6005 [10] SEAL-O-RING  
6. 114-1807 [1] BASE-FILTER  
7. 1H-9696 [1] SEAL-O-RING  
8. 3G-2754 [1] VALVE  
9. 3S-9733 [1] SPRING  
10. 8F-8882 [1] SEAL-O-RING  
11. 6V-3822 M [2] BOLT (M10X1.5X35-MM)  
12. 6V-5839 [2] WASHER (11X21X2.5-MM THK)  
13. 6V-7732 M [8] BOLT (M10X1.5X25-MM)  
14. 4J-0523 [2] SEAL-O-RING  
15. 119-6025 [1] TUBE AS  
16. 118-8405 [1] TUBE AS  
17. 118-8402 [1] BAFFLE AS  
18. 3G-2839 [1] GASKET  
19. 6D-9157 [2] SEAL-O-RING  
20. 2M-4453 [2] SEAL-O-RING  
21. 166-4846 M [2] BOLT-FILTER  
22. 5P-8248 [2] WASHER-HARD (20X36.5X3.5-MM THK)  
23. 3G-2665 [2] COVER  
24. 119-4860 [2] SPACER  
25. 9J-6379 [12] SPRING-DISC  
26. 9J-6381 [2] SPACER (71X108X3-MM THK)  
27. 9H-7759 [2] RING-RETAINING  
28. 9F-6656 [2] RING-RETAINING  
29. 1R-0722 [2] FILTER ELEMENT AS-OIL (STANDARD EFFICIENCY)  
    -OR-
  4T-3134 [2] FILTER ELEMENT AS-OIL (FIRE RESISTANT FLUID)  
    -OR-
  139-1536 [2] FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY)  
30. 119-4857 [2] STUD  
31. 5P-9119 BD GASKET-TAPE (ADHESIVE BACKED)  
32. 9H-6454 [1] GASKET  
33. 2D-4202 [1] PLATE  
34. 8T-2275 [1] BALL  
35. 7H-1447 [1] CAP-FILLER (HYDRAULIC TANK)  
36. 6H-9361 [1] RING-RETAINING  
37. 5D-7927 [1] STRAINER AS-OIL (HYDRAULIC TANK)  
38. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK)  
39. 5M-2057 [1] SEAL-O-RING  
40. 5M-2894 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
41. 8J-8782 [1] BODY-DRAIN VALVE  
42. 7B-3039 [1] SPRING  
43. 1U-2827 [1] GUIDE-VALVE  
44. 8J-8783 [1] VALVE-DRAIN  
45. 8T-3298 [1] SEAL-RECTANGULAR  
46. 9J-6382 [1] COVER  
47. 8T-0722 M [6] BOLT-LOCKING (M10X1.5X30-MM)  
48. 155-3624 [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
50. 4J-8252 [1] GAUGE-SIGHT  
51. 4J-8251 [1] GROMMET  
52. 9R-2630 [1] RETAINER  
53. 1L-5072 C [1] DOWEL  
54. 2J-7761 C [1] RING-RETAINING  
55. 5D-1911 C [1] COVER-HYDRAULIC CAP  
56. 9M-7394 C [1] LEVER  
57. 095-1563 [2] SEAL-O-RING  
58. 8T-4907 B SEALANT  
59. 7X-7729 B [6] WASHER (11X25X3-MM THK)  
60. 442-9982 [1] FILM-INFORMATION (SLOW ENGINE SPEED)  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
  M   METRIC PART
 

#SEBP40040584
 

212-4895: VALVE & MTG GP-MAIN CONTROL

212-4895 VALVE & MTG GP-MAIN CONTROL -2-FUNCTION
S/N AZW1-373
PART OF 234-4336, 302-1354 HYDRAULIC AR
i01822931 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-0852 [1] CAP-DUST  
2. 203-8712 Y [1] VALVE GP-PILOT (OIL MANIFOLD, 2-FUNCTION)  
3. 211-2271 Y [1] VALVE GP-MAIN CONTROL (2-FUNCTION)  
4. 211-9012 [1] PLATE AS  
  6V-9632 M [2] NUT-WELD (M6X1-THD)  
  7T-1099 [11] LINK  
  8T-3490 M [16] NUT-WELD (M10X1.5-THD)  
  8T-3597 M [3] NUT-WELD (M12X1.75-THD)  
5. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  3J-1907 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
7. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
9. 8T-4178 M [2] BOLT (M10X1.5X90-MM)  
10. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
11. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP40040585
 

212-4895: VALVE & MTG GP-MAIN CONTROL

212-4895 VALVE & MTG GP-MAIN CONTROL -2-FUNCTION
S/N AZW374-UP
PART OF 302-1354 HYDRAULIC AR
i05345879 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-0852 [1] CAP-DUST  
2. 203-8712 Y [1] VALVE GP-PILOT (OIL MANIFOLD, 2-FUNCTION)  
3. 309-6533 CY [1] VALVE GP-MAIN CONTROL  
4. 211-9012 [1] PLATE AS  
5. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  3J-1907 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
7. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
9. 8T-4178 M [2] BOLT (M10X1.5X90-MM)  
10. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
11. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP40040586
 

171-6722: VALVE GP-CHECK

171-6722 VALVE GP-CHECK -HYD OIL CLR BYPASS, STEERING
S/N AZW1-UP
PART OF 234-4913 LINES GP-HYDRAULIC OIL COOLER
i01299873 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3K-0360 [1] SEAL-O-RING  
2. 6V-8398 [1] SEAL-O-RING  
3. 9T-6005 [1] VALVE GP-CHECK (STEERING)  
 

#SEBP40040587
 

8J-9471: VALVE GP-CHECK

8J-9471 VALVE GP-CHECK -LIFT CYLINDER CIRCUIT
S/N AZW1-UP
PART OF 211-2271, 309-6533 VALVE GP-MAIN CONTROL
i00165798 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-2824 [1] SEAL-O-RING  
2. 6F-4855 [1] SEAL-O-RING  
3. 9J-0707 [1] RING-BACKUP  
 

#SEBP40040588
 

9T-3096: VALVE GP-CHECK

9T-3096 VALVE GP-CHECK -DEAD ENGINE, LIFT ARM LOWER
S/N AZW1-UP
DEAD ENGINE, LIFT ARM LOWER
PART OF 231-8632, 417-0077 LINES GP-PILOT
i01540255 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP40040589
 

134-9873: VALVE GP-CONTROL

134-9873 VALVE GP-CONTROL -TILT
S/N AZW1-373
PART OF 211-2271 VALVE GP-MAIN CONTROL
i01823338 SEBP4004
  For full view, you need register

Parts for your 825H SOIL COMPACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 194-2170 [1] SEAL-O-RING  
2. 4Z-6360 [1] SPACER  
3. 5P-5599 [2] SEAL-O-RING  
4. 6L-5897 [2] BOLT (1/4-20X0.875-IN)  
5. 7M-8485 [1] SEAL-O-RING  
6. 8J-9463 [1] SPRING  
7. 8J-9464 [1] POPPET  
8. 116-3816 [1] RETAINER  
9. 116-3823 [1] BOLT-SPECIAL  
10. 116-6816 [2] RETAINER  
11. 116-9524 [1] CAP-SPOOL  
12. 116-9532 [1] CAP-SPOOL  
13. 122-9097 [1] SPRING  
14. 155-4993 [2] BOLT-SOCKET HEAD (1/4-20X4.5-IN)  
15. 224-0835 [2] WASHER  
 

Information:

Operation and Maintenance Manual
Case Drain Screen (Strainer) (Steering Pump, Hydraulic Fan Pump, Motor) - Clean
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor
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}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Specifications
Piston Pump (Hydraulic Fan)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Vane Pump (Implement)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Gear Pump (Pilot, Brake)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Solenoid Valve (Hydraulic Fan)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Gear Pump (Pilot, Brake)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

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}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Systems Operation
Piston Pump (Hydraulic Fan)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Vane Pump (Implement)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Gear Pump (Pilot, Brake)
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Hydraulic Fan System
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

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}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 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}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}
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}
Testing and Adjusting
Hydraulic Fan Speed - Test and Adjust
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Torque Converter Stall and Implement Pump Double Stall - Test
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

Pump Performance (Implement) - Test
824H Wheel Dozer, 825H
Soil Compactor and 826H
Landfill Compactor Electrohydraulic System

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}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Disassembly and Assembly
Vane Pump (Implement) - Disassemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Vane Pump (Implement) - Assemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Piston Pump (Hydraulic Fan) - Disassemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Piston Pump (Hydraulic Fan) - Assemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Gear Pump (Pilot, Brake) - Disassemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Gear Pump (Pilot, Brake) - Assemble
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Gear Pump (Pilot, Brake) - Remove
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Gear Pump (Pilot, Brake) - Install
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Vane Pump (Implement) - Remove
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Vane Pump (Implement) - Install
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Piston Pump (Hydraulic Fan) - Remove
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Piston Pump (Hydraulic Fan) - Install
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Machine Systems
Fan Group (Includes Fan, Fan Guard, Fan Shroud, and Hydraulic Fan Motor) - Remove
826H Landfill Compactor,
825H Soil Compactor and
824H Wheel Dozer Engine Supplement

Fan Group (Includes Fan, Fan Guard, Fan Shroud, and Hydraulic Fan Motor) - Install
826H Landfill Compactor,
825H Soil Compactor and
824H Wheel Dozer Engine Supplement

Service Magazine

Caterpillar Parts SIS Catalog 825H :

Truck sale:

 
Caterpillar 825H
- Compactors
HOLT CAT
 
Caterpillar 825H
- Compactors
YANCEY BROS. CO.
 
Caterpillar 825H
- Compactors
TERRA CAT
 
Caterpillar 825H, Compactors, Bouw
- Compactors
WILLIAM ADAMS PTY. LTD.
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.