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9J5071 HYDRAULIC PUMP GROUP (8K9551 N/S) Serial No. 51S305 to 51S318 and 51S322 to 51S503 inclusive 3G2198 and 3G2721 Cartridge parts are shown on Page 161 528


HYDRAULIC SYSTEM
PUMP GP
LINES GP-HYDRAULIC
LINES GP-BULLDOZER
CYLINDER GP

WHEEL SKIDDER 528 WHEEL SKIDDER 51S
 528 SKIDDER 51S00288-00736 (MACHINE) POWERED BY 3306 ENGINE SEBP1130 528 51S   (1973)

HYDRAULIC SYSTEM

PUMP GP
PUMP GP-VANE
9J-5071 PUMP GP-VANE
PUMP GP-VANE
9J-5071 PUMP GP-VANE
PUMP GP-HYDRAULIC
8K-9551 PUMP GP-HYDRAULIC
PUMP GP-VANE
3G-7635 PUMP GP-VANE
CARTRIDGE GP-FRONT
3G-7653 CARTRIDGE GP-FRONT
CARTRIDGE GP-REAR
3G-7658 CARTRIDGE GP-REAR
CARTRIDGE GP
3G-2198 CARTRIDGE GP
CARTRIDGE GP-REAR
3G-2721 CARTRIDGE GP-REAR
 

#SEBP11300370
 

9J-5071: PUMP GP-VANE

9J5071 HYDRAULIC PUMP GROUP (8K9551 N/S)
Serial No. 51S305 to 51S318 and 51S322 to 51S503 inclusive
3G2198 and 3G2721 Cartridge parts are shown on Page 161
c212531 SEBP1130
9J5071 PUMP GP-VANE Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4J-1657 [1] COVER  
2. 1D-4574 [4] BOLT  
3. 4J-2457 [1] COVER  
4. 3G-2721 RYC [1] CARTRIDGE GROUP  
    (Separate Illustration)
5. 4M-7652 [1] RING (outer)  
6. 1L-8497 [1] RING (inner)  
7. 6B-1124 [1] BEARING  
8. 4M-7648 [1] WASHER  
9. 4J-0980 [1] SEAL  
10. 9J-5150 [1] SEAL  
11. 9J-5104 [1] SHAFT  
12. 7B-3235 H [2] BOLT  
  3B-4508 H [2] LOCKWASHER  
13. 1H-6227 H [1] SEAL  
14. 9J-5124 [1] BODY  
15. 3G-2198 YC [1] CARTRIDGE GROUP  
    (Separate Illustration)
16. 0T-0319 [4] BOLT  
17. 3G-2632 C [1] PLUG  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  H   NOT PART OF 9J5071 PUMP GROUP
 

#SEBP11300371
 

8K-9551: PUMP GP-HYDRAULIC

8K9551 HYDRAULIC PUMP GROUP
Serial No. 51S504-Up
3G7635 Pump parts are shown on Page 160A
c230170 SEBP1130
8K9551 PUMP GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-6227 [1] SEAL  
2. 3G-7635 CY [1] PUMP GROUP  
    (Separate Illustration)
3. 7B-3235 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11300372
 

3G-7635: PUMP GP-VANE

3G7635 BASIC VANE PUMP GROUP
Serial No. 51S504-Up
Part of 8K9551 Hydraulic Pump Group shown on Page 160A
3G7658 and 3G7653 Cartridge parts are shown on Page 160B
c230171 SEBP1130
3G7635 PUMP GP-VANE Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1D-4574 [4] BOLT  
2. 3G-7658 RY [1] CARTRIDGE GROUP (22 GPM)  
    (Separate Illustration)
3. 4J-2457 [1] COVER  
4. 3G-7653 RY [1] CARTRIDGE GROUP (20 GPM)  
    (Separate Illustration)
5. 4M-7652 [1] RING  
6. 6B-1124 [1] BEARING  
7. 4M-7648 [1] WASHER  
8. 5P-0903 [1] SEAL  
9. 3G-9193 [1] SEAL  
10. 3G-7242 [1] PLUG  
11. 9J-5104 [1] SHAFT  
12. 1L-8497 [1] RING  
13. 0T-0319 [4] BOLT  
14. 4J-1657 [1] COVER  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  1U-0378 [1] KIT Flex Plate (20 series)  
  1U-0379 [1] KIT Flex Plate (20 series)  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11300373
 

3G-7653: CARTRIDGE GP-FRONT

3G7653 CARTRIDGE GROUP--Front--53L/min. (14 GPM)
Serial No. 51S504-Up
Part of 3G7635 Pump Group shown on Page 160A
c230172 SEBP1130
3G7653 CARTRIDGE GP-FRONT Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-1556 [4] RING  
2. 3G-9055 [4] SEAL  
3. 6V-1197 [1] SEAL  
4. 3G-2193 [1] RING  
5. 8J-4351 [1] SEAL  
 

#SEBP11300374
 

3G-7658: CARTRIDGE GP-REAR

3G7658 CARTRIDGE GROUP--Rear--53 L/min. (14 GPM)
Serial No. 51S504-Up
Part of 3G7635 Pump Group shown on Page 160A. Also provides Field
Replacement for 3G2721 Cartridge Group shown on Page 161
c230173 SEBP1130
3G7658 CARTRIDGE GP-REAR Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-1557 [1] RING  
2. 3G-9199 [4] SEAL  
3. 6V-1196 [1] SEAL  
4. 3G-2716 [1] RING  
5. 061-7540 [1] SEAL  
 

#SEBP11300375
 

3G-2198: CARTRIDGE GP

3G2198 CARTRIDGE GROUP--53 L/min. (14 GPM)--Counterclockwise
Serial No. 51S305 to 51S318 and 51S322 to 51S503 inclusive
Part of 9J5071 Hydraulic Pump Group shown on Page 160
c212613 SEBP1130
3G2198 CARTRIDGE GP Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2192 [4] RETAINER (seal)  
2. 3G-2191 [4] SEAL  
3. 2H-3934 [1] SEAL  
4. 3G-2193 [1] RING  
5. 1S-0670 [1] RING  
6. 1H-9696 [1] SEAL  
 

#SEBP11300376
 

3G-2721: CARTRIDGE GP-REAR

3G2721 CARTRIDGE GROUP--53 L/min. (14 GPM)--Counterclockwise
Serial No. 51S305 to 51S318 and 51S322 to 51S503 inclusive
Part of 9J5071 Hydraulic Pump Group shown on Page 160
c212614 SEBP1130
3G2721 CARTRIDGE GP-REAR Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-2714 [4] RETAINER (seal)  
2. 3G-2715 [4] SEAL  
3. 2H-3931 [1] SEAL  
4. 3G-2716 [1] RING  
5. 4J-9222 [1] RING  
6. 4F-7952 [1] SEAL  
 

#SEBP11300377
 

8K-6950: LINES GP-HYDRAULIC OIL

8K6950 HYDRAULIC OIL LINES GROUP
c228979 SEBP1130
8K6950 LINES GP-HYDRAULIC OIL Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8K-6898 [1] FITTING ASSEM.  
2. 6K-3626 [1] CONNECTOR  
3. 7M-8485 [4] SEAL  
4. 5P-0788 [1] TEE  
5. 2V-0823 [1] TUBE ASSEM.  
6. 9S-6130 C [1] PLUG  
  2S-4078 [1] SEAL  
7. 6S-2910 C [1] ELBOW  
8. 030-7951 [2] ELBOW  
9. 8K-6636 [1] HOSE ASSEM.  
  5P-0181 CH HOSE 29.97 cm(11.80 in.)  
32. 3S-7252 [2] SLEEVE  
33. 7S-0574 [1] STEM ASSEM. (60 DEGREES)  
34. 3S-8499 [1] STEM ASSEM. (45 DEGREES)  
35. 1V-9230 C [1] TUBE ASSEM.  
  4J-5267 [1] SEAL  
36. 5B-0213 [1] BOLT  
37. 0L-1352 [2] BOLT  
38. 9S-8008 C [2] PLUG  
  3D-2824 [2] SEAL  
39. 8K-0010 [1] ELBOW  
40. 8K-6900 [1] TUBE ASSEM.  
41. 8K-6893 [1] HOSE ASSEM.  
  5P-0181 CH HOSE 33.78 cm(13.3 in.)  
42. 3S-8503 [1] STEM ASSEM.  
43. 3S-7252 [2] SLEEVE  
44. 8K-5114 [1] COUPLING ASSEM.  
45. 5P-8245 C [4] WASHER  
46. 5P-8244 C [8] WASHER  
47. 5M-2894 C [8] WASHER  
  C   INDICATES CHANGE
  H   ORDER BY THE CENTIMETER
 

#SEBP11300378
 

8K-6684: LINES GP-BULLDOZER

8K6684 BULLDOZER LINES GROUP
c201091 SEBP1130
8K6684 LINES GP-BULLDOZER Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7K-8730 [1] TUBE ASSEM.  
2. 7J-7187 [2] FITTING  
  4K-1388 [2] SEAL  
3. 8K-6691 [1] TUBE ASSEM.  
4. 8K-6694 [1] TUBE ASSEM.  
5. 8K-6698 [1] TUBE ASSEM.  
6. 8K-6689 [2] CLAMP ASSEM.  
  9F-2978 [1] NUT (Weld)  
7. 0S-1590 [2] BOLT  
8. 3B-4506 [6] LOCKWASHER  
9. 8K-6687 [2] BRACKET  
10. 0L-1351 [4] BOLT  
  4B-4278 [4] WASHER  
11. 8K-6685 [4] HOSE ASSEM.  
  9S-0671 H HOSE1 15"  
12. 3S-8606 [2] SLEEVE  
13. 8S-4064 [2] GOUPLING ASSEM.  
14. 030-7949 C [4] ELBOW  
15. 9M-4584 [6] CONNECTOR  
16. 2M-9780 C [12] SEAL  
17. 8K-6720 [2] HOSE ASSEM.  
  9S-0671 H HOSE 23"  
  8S-4064 [1] COUPLING ASSEM. (Straight)  
18. 3S-8606 [2] SLEEVE  
19. 1P-4899 [1] COUPLING ASSEM. (90 degrees)  
20. 8K-6719 [2] HOSE ASSEM.  
  9S-0671 H HOSE 25"  
  8S-4064 [1] COUPLING ASSEM. (Straight)  
21. 3S-8606 [2] SLEEVE  
22. 1P-4899 [1] COUPLING ASSEM. (90 degrees)  
23. 8K-6686 [2] ELBOW  
24. 8K-6703 [1] TUBE ASSEM. (R.H.)  
25. 9K-1234 [1] CLAMP  
26. 3L-0526 [2] BOLT  
  3B-4507 [2] LOCKWASHER  
  4B-4279 [2] WASHER  
27. 8K-6704 [1] TUBE ASSEM. (L.H.)  
28. 9K-1234 [1] CLAMP  
29. 8K-6692 [1] TUBE ASSEM.  
30. 8K-6697 [1] TUBE ASSEM.  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#SEBP11300379
 

7J-9902: CYLINDER GP-LIFT

7J9902 BULLDOZER LIFT CYLINDER GROUP (Change 5)--109.2 mm (4.30") Bore x 560 mm (22.10") Stroke--2 Required
c229463 SEBP1130
7J9902 CYLINDER GP-LIFT Parts scheme
  For full view, you need register

Parts for your 528 WHEEL SKIDDER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-9897 [1] BOLT  
  3S-1349 C [1] WASHER  
2. 7J-9901 R [1] CYLINDER ASSEM.  
3. 8J-0001 [1] BEARING  
4. 6J-6917 [1] SEAL  
5. 5J-8200 [1] SEAL  
6. 1K-6981 [1] SEAL  
7. 8J-2403 R [1] ROD ASSEM.  
8. 8J-0001 [1] BEARING  
9. 7J-9909 [1] HEAD  
10. 7J-9910 [1] CROWN  
11. 5J-7865 [1] RING  
12. 1H-6227 [1] SEAL  
13. 7J-9898 [1] PISTON  
14. 5J-7854 [1] SEAL ASSEM.  
15. 6J-4003 [1] RING  
16. 8J-5912 C [1] SCREW  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

Information:

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}
Service Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 528 :

PUMP GP-VANE
9J-5071 PUMP GP-VANE
FILTER GP-OIL
9J-1212 FILTER GP-OIL
FILTER GP-HYDRAULIC OIL
1V-0734 FILTER GP-HYDRAULIC OIL
COVER GP-PROTECTION
5D-1900 COVER GP-PROTECTION
TANK GP-HYDRAULIC
9J-7219 TANK GP-HYDRAULIC
TANK GP-HYDRAULIC
9J-7219 TANK GP-HYDRAULIC
BUMPER GP-LOG
9K-9285 BUMPER GP-LOG
FRAME GP-REAR
2V-1535 FRAME GP-REAR
PUMP GP-HYDRAULIC
8K-9551 PUMP GP-HYDRAULIC
PUMP GP-VANE
3G-7635 PUMP GP-VANE
CARTRIDGE GP-FRONT
3G-7653 CARTRIDGE GP-FRONT
CARTRIDGE GP-REAR
3G-7658 CARTRIDGE GP-REAR
CARTRIDGE GP
3G-2198 CARTRIDGE GP
CARTRIDGE GP-REAR
3G-2721 CARTRIDGE GP-REAR
LINES GP-HYDRAULIC OIL
8K-6950 LINES GP-HYDRAULIC OIL
LINES GP-BULLDOZER
8K-6684 LINES GP-BULLDOZER

Truck sale:

Caterpillar 528, rohrverleger, Bau-Und Bergbauausrüstung
25.000 
Caterpillar 528, rohrverleger, Bau-Und Bergbauausrüstung
- pipelayers
WAGNER EQUIPMENT CO
CAT 528
USD $40,480 
CAT 528

EPJ Trading
1986 CAT 528
Call 
1986 CAT 528

NORTHWEST TRACTOR PARTS
Boring, Oregon
1979 CAT 528
Call 
1979 CAT 528

NORTHWEST TRACTOR PARTS
Boring, Oregon
 
 
CAT 528

NORTHWEST TRACTOR PARTS
Boring, Oregon
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