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8D3310 STEERING CYLINDER AND MOUNTING GROUP 3G8069 AND 3G8070 CYLINDER PARTS ARE SHOWN ON PAGES 152 & 153 120G


HYDRAULIC SYSTEM
CYLINDER GP
OPERATOR STATION
CONTROL GP-STEERING
HYDRAULIC SYSTEM
PUMP GP-METERING
CYLINDER GP
LINES GP-STEERING

MOTOR GRADER 120G MOTOR GRADER 11W
 120G MOTOR GRADER 11W01019-01250 (MACHINE) POWERED BY 3304 ENGINE MEBP1300 120G 11W   (1975)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MOUNTING GP
8D-3310 CYLINDER & MOUNTING GP
CYLINDER GP-STEERING
3G-8069 CYLINDER GP-STEERING
CYLINDER GP-STEERING
3G-8070 CYLINDER GP-STEERING
CYLINDER & MOUNTING GP-CSHIFT
9D-1360 CYLINDER & MOUNTING GP-CSHIFT
 

#MEBP13000440
 

8D-3310: CYLINDER & MOUNTING GP

8D3310 STEERING CYLINDER AND MOUNTING GROUP
3G8069 AND 3G8070 CYLINDER PARTS ARE SHOWN ON PAGES 152 & 153
c223866 MEBP1300
8D3310 CYLINDER & MOUNTING GP Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0L-1351 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
2. 3G-8069 C [1] CYLINDER GROUP (R. H.)  
  3G-8070 CY [1] CYLINDER GROUP (L. H.)  
    (Separate Illustration)
3. 3B-4618 [2] PIN  
4. 8D-2811 [2] WASHER  
5. 6G-1780 C [2] SOCKET GROUP  
    (Each Includes)
6. 2F-8057 [1] NUT  
7. 2H-3786 [2] NUT  
8. 8D-2429 [2] PIN ASSEM.  
9. 8D-2638 [4] SPACER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000441
 

8D-7530: STEERING CONTROL GROUP

8D7530 STEERING CONTROL GROUP
SERIAL NO. 11W1019 TO 11W1059 INCLUSIVE
3G3897 PUMP PARTS ARE SHOWN ON PAGE 151
c219888 MEBP1300
8D7530 STEERING CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-7362 [1] COVER  
2. 8D-8648 [1] WHEEL  
3. 2R-0620 [3] SCREW  
4. 7D-9719 [1] GASKET  
5. 6S-3065 [1] NUT  
6. 5P-0076 [4] BOLT  
7. 3G-3897 CY [1] PUMP GROUP  
    (Separate Illustration)
8. 2G-3163 [1] PLATE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000442
 

6G-5405: CONTROL GP-STEERING

6G5405 STEERING CONTROL GROUP
SERIAL NO. 11W1060-UP
3G3897 PUMP PARTS ARE SHOWN ON PAGE 151
c232529 MEBP1300
6G5405 CONTROL GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6G-5374 [1] WHEEL  
2. 3G-3897 Y [1] PUMP GROUP  
    (Separate Illustration)
3. 5P-0076 [4] BOLT  
4. 6S-3065 [1] NUT  
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000443
 

3G-3897: PUMP GP-METERING

3G3897 METERING PUMP GROUP
PART OF 8D7530 & 6G5405 STEERING CONTROL GROUPS SHOWN ON PAGES 150 & 150A
c227597 MEBP1300
3G3897 PUMP GP-METERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-6887 [1] SHAFT  
2. 3G-6892 [1] BODY ASSEM.  
    (Includes)
3. 7J-8010 C [6] SPRING  
4. 7J-8009 [1] PIN  
5. 3G-6906 [1] SCREW  
6. 1H-1023 [1] SEAL  
7. 3G-6907 [1] SEAT  
8. 5F-9144 [1] SEAL  
9. 6S-7827 [1] BALL  
10. 6S-7826 [1] RETAINER  
11. 065-1176 [1] SPACER  
12. 9J-5686 [3] SEAL  
13. 9J-4743 [7] BOLT  
14. 3G-6889 [1] CAP  
15. 3G-6890 [1] GEROTOR ASSEM.  
16. 3G-6905 [1] SPACER  
17. 7J-6839 [1] DRIVE  
18. 3G-6891 [2] RACE  
19. 5L-1100 [1] BEARING  
20. 7F-8267 [1] SEAL  
21. 9J-5442 [1] RING  
22. 9J-8076 [1] BUSHING  
23. 7J-6833 [1] SEAL  
24. 8F-5340 [1] SEAL  
25. 3G-2327 [1] HOUSING  
26. 9J-2928 [1] BEARING  
27. 9J-2935 [1] RING  
28. 065-1153 [1] RING  
  C   INDICATES CHANGE
 

#MEBP13000444
 

3G-8069: CYLINDER GP-STEERING

3G80369 STEERING CYLINDER GROUP (CHANGE 3)-64 MM (2.50") BORE X 267 MM
(10.5") STROKE-R.H. PART OF 8D3310 STEERING CYLINDER AND MOUNTING
c308921 MEBP1300
3G8069 CYLINDER GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7J-5639 [1] BOLT  
2. 8J-7415 [1] WASHER  
3. 8J-6212 [1] RING  
4. 8J-6213 [1] SEAL ASSEM.  
5. 3G-8076 [1] PISTON  
6. 3G-8427 R [1] ROD ASSEM.  
7. 8J-6221 [1] HEAD  
8. 8F-6711 [1] SEAL  
  030-3239 [1] RING  
9. 6J-9733 [1] SEAL  
10. 5J-8150 [1] SEAL  
11. 4J-8979 [1] SEAL  
12. 8J-6222 [1] CROWN  
13. 3G-8071 R [1] CYLINDER ASSEM.  
14. 8J-6215 [2] RING  
15. 005-8639 [1] BEARING  
 

#MEBP13000445
 

3G-8070: CYLINDER GP-STEERING

3G8070 STEERING CYLINDER GROUP (CHANGE 2)-64 MM (2.50") BORE X 267 MM
(10.5") STROKE-L.H. PART OF 8D3310 STEERING CYLINDER AND MOUNTING
c308922 MEBP1300
3G8070 CYLINDER GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-2574 [1] CONNECTOR  
  030-7965 [1] ELBOW  
2. 3K-0360 [4] SEAL-O-RING  
3. 8M-0506 [1] CONNECTOR  
4. 3J-1907 [2] SEAL-O-RING  
5. 4S-1962 [3] CLIP  
6. 4S-6680 [1] CONNECTOR-FLARED  
  7M-8485 [1] SEAL-O-RING  
7. 3R-9704 [1] ELBOW-SWIVEL  
8. 5T-2358 [1] HOSE AS  
9. 5T-5191 [1] HOSE AS  
10. 4T-3090 Y [1] VALVE GP-COMBINATION  
11. 6K-9550 [1] CLIP  
12. 5M-2894 C [6] WASHER (2.5MM THK)  
13. 2P-1314 [1] CONNECTOR  
14. 4S-4455 [3] CLIP  
15. 5T-2356 [1] HOSE AS  
16. 4T-1057 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  3K-0360 [2] SEAL-O-RING  
17. 4T-1056 [1] VALVE-RELIEF  
18. 5P-8874 [1] ADAPTER  
  6V-5320 [1] UNION-O-RING  
19. 6S-5693 [1] TEE  
20. 8M-0505 [1] CONNECTOR  
21. 4T-5868 Y [1] VALVE GP-CHECK  
22. 5P-3166 [1] TEE-SWIVEL  
23. 3B-1915 [3] BOLT (3/8-16X1.375-IN)  
  0L-1319 [6] WASHER (10.3X31.75X2-MM)  
  1P-7115 [3] GROMMET AS  
24. 8D-9919 [1] PLATE  
25. 5T-5190 [1] HOSE AS  
26. 9D-5907 [1] HOSE AS  
27. 8D-9947 [1] CLIP  
28. 0S-1594 C [3] BOLT (3/8-16X1-IN)  
29. 2B-9828 [1] BLOCK (35-20X12-MM)  
30. 6K-9549 [1] BRACKET  
31. 1D-4717 C [2] NUT (3/8-16 THD)  
32. 6N-8863 [2] WASHER (2.5-MM THK)  
33. 8W-0044 C [1] PLATE  
34. 9D-1829 C [1] CLIP  
35. 0S-1590 C [1] BOLT (3/8-16X2-IN)  
36. 2M-9780 C [1] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#MEBP13000446
 

2G-9045: LINES GP-STEERING

2G9045 STEERING LINES GROUP-PART 1 OF 2
SERIAL NO. 11W1019 TO 11W1111 INCLUSIVE
c174657 MEBP1300
2G9045 LINES GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3M-0496 [2] STUD  
  1D-4717 [2] NUT  
2. 5M-2894 C [4] WASHER  
3. 2B-0941 C [3] SPACER  
4. 9D-1209 [2] PLATE  
5. 6G-1714 [1] CLAMP  
6. 0S-1591 C [1] BOLT  
7. 9D-2673 [2] CONNECTOR  
8. 3K-0360 [7] SEAL  
9. 6G-1701 [1] HOSE ASSEM. (not serv.)  
    For service furnish:
  9S-0671 H HOSE 51.2 in. (130 cm)  
  3S-8606 [2] SLEEVE  
  9S-9727 [2] COUPLING ASSEM.  
10. 7K-1181 [3] STRAP  
11. 030-7948 [3] ELBOW  
12. 9D-5892 [1] HOSE ASSEM. (not serv.)  
    For service furnish:
  9S-0671 H HOSE 61.41 in. (156 cm)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  9S-9727 [1] COUPLING ASSEM. (45 degrees)  
13. 6G-1752 [2] CLAMP  
14. 6K-4936 [14] BOLT  
15. 3F-1417 [9] WASHER  
16. 6G-1773 [2] HOSE ASSEM. (not serv.)  
    For service of each furnish:
  9S-0671 H HOSE 224 in. (570 cm)  
  3S-8606 [2] SLEEVE  
  9S-9727 [1] COUPLING ASSEM. (45 degrees)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
17. 6G-0237 [1] SEAL  
18. 6G-1692 [4] CLAMP  
19. 0S-0509 [1] BOLT  
20. 6G-1754 [2] CLAMP  
21. 6G-0208 [1] BOOT  
22. 4S-1962 [3] CLIP  
23. 8M-0505 [2] CONNECTOR  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#MEBP13000447
 

2G-9045: LINES GP-STEERING

2G9045 STEERING LINES GROUP-PART 2 OF 2
SERIAL NO. 11W1019 TO 11W1111 INCLUSIVE. 3G7448-PAGE 156
c228063 MEBP1300
2G9045 LINES GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0065 [6] BOLT  
2. 5P-1075 C [6] WASHER  
3. 3G-7448 Y [2] VALVE GROUP  
    (Separate Illustration)
4. 8D-9088 [2] CONNECTOR  
5. 3K-0360 [12] SEAL  
6. 6G-2979 [2] HOSE ASSEM. (not serv.)  
    For service of each furnish:
  9S-0671 H HOSE 11.4 in.(29 cm)  
  3S-8606 [2] SLEEVE  
  8S-6391 [2] COUPLING ASSEM. (90 degrees)  
7. 8M-0505 C [6] CONNECTOR  
8. 9D-2673 C [2] CONNECTOR  
9. 7K-1181 [2] STRAP  
10. 6G-1772 [2] HOSE ASSEM. (not serve)  
    For service of each furnish:
  9S-0671 H HOSE 27.2 in.(69 cm)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
11. 4S-1962 [2] CLIP  
12. 005-4362 [2] ELBOW  
13. 9D-6004 [2] HOSE ASSEM.  
    For service of each furnish:
  2P-5943 H HOSE 32.68 in.(83 cm)  
  4S-5414 [2] SLEEVE  
  8S-6417 [1] COUPLING ASSEM.  
  8S-6393 [1] COUPLING ASSEM.  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#MEBP13000448
 

2G-9045: LINES GP-STEERING

2G9045 STEERING LINES GROUP-PART 1 OF 2
SERIAL NO. 11W1112 TO 11W1119 INCLUSIVE
c305134 MEBP1300
2G9045 LINES GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3M-0496 [2] STUD  
  1D-4717 [2] NUT  
2. 5M-2894 C [4] WASHER  
3. 2B-0941 C [3] SPACER  
4. 9D-1209 [2] PLATE  
5. 6G-1714 [1] CLAMP  
6. 0S-1591 C [1] BOLT  
7. 9D-2673 [2] CONNECTOR  
8. 3K-0360 [7] SEAL  
9. 6G-1701 [1] HOSE ASSEM. (not serv.)  
    For service furnish:
  9S-0671 H HOSE 51.2 in. (130 cm)  
  3S-8606 [2] SLEEVE  
  9S-9727 [2] COUPLING ASSEM.  
10. 7K-1181 [3] STRAP  
11. 030-7948 [3] ELBOW  
12. 9D-5892 [1] HOSE ASSEM. (not serv.)  
    For service furnish:
  9S-0671 H HOSE 61.41 in. (156 cm)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
  9S-9727 [1] COUPLING ASSEM. (45 degrees)  
13. 6G-1752 [2] CLAMP  
14. 6K-4936 [14] BOLT  
15. 3F-1417 [9] WASHER  
16. 6G-1697 C [2] HOSE ASSEM. (not serv.)  
    For service of each furnish:
  9S-0671 H HOSE 224 in. (570 cm)  
  3S-8606 [2] SLEEVE  
  9S-9727 [1] COUPLING ASSEM. (45 degrees)  
  8S-4055 [1] COUPLING ASSEM. (straight)  
17. 6G-0237 [1] SEAL  
18. 6G-1692 [4] CLAMP  
19. 0S-0509 [1] BOLT  
20. 6G-1754 [2] CLAMP  
21. 6G-0208 [1] BOOT  
22. 4S-1962 [3] CLIP  
23. 8M-0505 [2] CONNECTOR  
  C   INDICATES CHANGE
  H   ORDER BY THE INCH
 

#MEBP13000449
 

2G-9045: LINES GP-STEERING

2G9045 STEERING LINES GROUP-PART 2 OF 2
SERIAL NO. 11W1112 TO 11W1119 INCLUSIVE
3G7448-PAGE 156
c228063 MEBP1300
2G9045 LINES GP-STEERING Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0065 [6] BOLT  
2. 5P-1075 C [6] WASHER  
3. 3G-7448 Y [2] VALVE GROUP  
    (Separate Illustration)
4. 8D-9088 [2] CONNECTOR  
5. 3K-0360 [12] SEAL  
6. 6G-2979 [2] HOSE ASSEM. (not serv.)  
    For service of each furnish:
  9S-0671 H HOSE 11.4 in.(29 cm)  
  3S-8606 [2] SLEEVE  
  8S-6391 [2] COUPLING ASSEM. (90 degrees)  
7. 8M-0505 C [6] CONNECTOR  
8. 9D-2673 C [2] CONNECTOR  
9. 7K-1181 [2] STRAP  
10. 6G-1772 [2] HOSE ASSEM. (not serve)  
    For service of each furnish:
  9S-0671 H HOSE 27.2 in.(69 cm)  
  8S-6391 [1] COUPLING ASSEM. (90 degrees)  
  3S-8606 [2] SLEEVE  
  8S-4055 [1] COUPLING ASSEM. (straight)  
11. 4S-1962 [2] CLIP  
12. 005-4362 [2] ELBOW  
13. 9D-6004 [2] HOSE ASSEM.  
    For service of each furnish:
  2P-5943 H HOSE 32.68 in.(83 cm)  
  4S-5414 [2] SLEEVE  
  8S-6417 [1] COUPLING ASSEM.  
  8S-6393 [1] COUPLING ASSEM.  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

Information:

Special Instruction
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Technical Information Bulletin
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Tool Operating Manual
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Reuse And Salvage Guidelines
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Service Magazine
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 120G :

2G-7830 DRIVE GP-CIRCLE
DRIVE GP-CIRCLE
2G-7830 DRIVE GP-CIRCLE
MOTOR GP-GEROTOR
8J-5407 MOTOR GP-GEROTOR
VALVE GP-CHECK
8J-5913 VALVE GP-CHECK
LINES GP-CIRCLE DRIVE MOTOR
2G-3490 LINES GP-CIRCLE DRIVE MOTOR
LINK GP-STEERING
7D-8912 LINK GP-STEERING
5T-8142 AXLE GP-FRONT
AXLE GP-FRONT
5T-8142 AXLE GP-FRONT
STEERING CONTROL GROUP
8D-7530 STEERING CONTROL GROUP
CONTROL GP-STEERING
6G-5405 CONTROL GP-STEERING
PUMP GP-METERING
3G-3897 PUMP GP-METERING
CYLINDER GP-STEERING
3G-8069 CYLINDER GP-STEERING
CYLINDER GP-STEERING
3G-8070 CYLINDER GP-STEERING
LINES GP-STEERING
2G-9045 LINES GP-STEERING
2G-9045 LINES GP-STEERING
LINES GP-STEERING
2G-9045 LINES GP-STEERING

Truck sale:

Caterpillar 120G
 
Caterpillar 120G
- motor graders
HOLT CAT
 
40,000 
Caterpillar 120G, motor graders, Construction
- motor graders
ALTORFER INC.
Caterpillar H120GCS.CW40S, hammer, Construction
18,210 
Caterpillar H120GCS.CW40S, hammer, Construction
- hammer
BERGERAT MONNOYEUR S.A.S.
Caterpillar 120G, motor graders, Construction
32,000 
Caterpillar 120G, motor graders, Construction
- motor graders
FOLEY EQUIPMENT COMPANY
 
33,500 
Caterpillar HH120GCS, hammer, Construction


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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.