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6P3227 SELECTOR AND PRESSURE CONTROL VALVE GROUP Part of Unit Test Valve shown on Page 72. Note: For parts service furnish: 1--6P3226 Valve Group shown on Page 78, 1--3P8125 Spring, 1--3S9950 Spring, 1--2P4547 Spring and 1--Form GMG02257 120G


POWER TRAIN
VALVE GP-SELECTOR & PRESS CONT
LINES GP-POWER TRAIN OIL
FILTER GP
PUMP GP
FILTER GP
PUMP GP
ADAPTER GP
OPERATOR STATION
CONTROL GP

MOTOR GRADER 120G MOTOR GRADER 82V
 120G MOTOR GRADER 82V00001-00667 (MACHINE) UEG0878S 120G 82V   (1974)

POWER TRAIN

VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SELECTOR & PRESS CONT
3P-0843 VALVE GP-SELECTOR & PRESS CONT
VALVE GP
2P-5814 VALVE GP
SELECTOR AND PRESSURE CONTROL VALVE GROUP
6P-3227 SELECTOR AND PRESSURE CONTROL VALVE GROUP
SELECTOR AND PRESSURE CONTROL VALVE GROUP
6P-3226 SELECTOR AND PRESSURE CONTROL VALVE GROUP
 

#UEG0878S0100
 

6P-3227: SELECTOR AND PRESSURE CONTROL VALVE GROUP

6P3227 SELECTOR AND PRESSURE CONTROL VALVE GROUP
Part of Unit Test Valve shown on Page 72. Note: For parts service furnish: 1--6P3226 Valve Group shown on Page 78,
1--3P8125 Spring, 1--3S9950 Spring, 1--2P4547 Spring and 1--Form GMG02257
c202555 UEG0878S
6P3227 SELECTOR AND PRESSURE CONTROL VALVE 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. 3P-8042 [1] SPRING  
2. 2P-4483 [1] SLEEVE  
3. 3P-0812 [1] SPRING (outer)  
  2P-4547 [1] SPRING (inner)  
4. 2P-4481 [1] PISTON  
5. 2M-1168 [1] SLUG  
6. 3S-9951 [1] WASHER  
7. 3P-6669 [1] SPRING  
8. 8H-5244 [2] DOWEL  
10. 3P-7834 [1] STOP ASSEM.  
    (Includes)
  2P-4484 [1] STOP  
11. 4B-9880 [1] BALL  
12. 2P-4506 [1] PLUG  
  2H-3932 [1] SEAL  
13. 2P-4507 [1] COVER  
14. 1T-0416 [7] BOLT  
15. 5M-6214 [3] PLUG  
16. 3S-9949 [1] SPRING  
17. 5S-7906 [1] STOP  
18. 2P-4486 [2] SPOOL  
19. 2P-4501 [2] SPRING  
20. 2P-4504 [1] COVER  
21. 3D-4245 [1] SEAL  
22. 1P-0561 [1] SPOOL  
23. 2P-4480 [1] SPOOL  
24. 6P-3225 [1] BODY SELECTOR  
    (Includes)
25. 6P-3223 [8] DAMPER  
26. 8M-8489 [4] DOWEL  
 

#UEG0878S0101
 

6P-3226: SELECTOR AND PRESSURE CONTROL VALVE GROUP

6P3226 SELECTOR AND PRESSURE CONTROL VALVE GROUP
c148732 UEG0878S
6P3226 SELECTOR AND PRESSURE CONTROL VALVE 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. 3P-8042 [1] SPRING  
2. 2P-4483 [1] SLEEVE  
3. 3P-6882 [1] SPRING (outer)  
  3P-6881 [1] SPRING (inner)  
4. 2P-4481 [1] PISTON  
5. 2M-1168 [1] SLUG  
6. 3S-9951 [1] WASHER  
7. 3P-6669 [1] SPRING  
8. 8H-5244 [2] DOWEL  
10. 3P-7834 [1] STOP ASSEM.  
    (Includes)
  2P-4484 [1] STOP  
11. 4B-9880 [1] BALL  
12. 2P-4506 [1] PLUG  
  2H-3932 [1] SEAL  
13. 2P-4507 [1] COVER  
14. 1T-0416 [7] BOLT  
15. 5M-6214 [3] PLUG  
16. 3S-9949 [1] SPRING  
17. 5S-7906 [1] STOP  
18. 2P-4486 [2] SPOOL  
19. 2P-4501 [2] SPRING  
20. 2P-4504 [1] COVER  
21. 3D-4245 [1] SEAL  
22. 1P-0561 [1] SPOOL  
23. 2P-4480 [1] SPOOL  
24. 6P-3225 [1] BODY ASSEM.  
    (Includes)
25. 8M-8489 [4] DOWEL  
26. 6P-3223 [8] DAMPER  
 

#UEG0878S0102
 

3P-2833: LINES GP-POWER TRAIN OIL

TRANSMISSION LINES (3P2833 N/S)
Part of 3P1750 Transmission Arrangement shown on Page 60
c207339 UEG0878S
3P2833 LINES GP-POWER TRAIN OIL Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1587 [4] BOLT  
2. 3B-4508 [8] LOCKWASHER  
3. 5F-8000 [2] SEAL  
4. 7F-7799 [1] COVER  
5. 4F-9029 [1] SEAL  
6. 0S-1594 C [4] BOLT  
7. 3B-4506 [12] LOCKWASHER  
8. 0S-1591 [2] BOLT  
9. 4N-0237 [1] GASKET  
10. 3H-1461 [1] SEAL  
11. 0L-1352 [2] BOLT  
12. 3P-1756 [1] TUBE ASSEM.  
13. 1A-2029 [4] BOLT  
14. 4F-7952 [2] SEAL  
15. 7B-3235 [2] BOLT  
16. 3P-0848 [1] TUBE ASSEM.  
17. 3P-0839 [1] TUBE ASSEM.  
18. 1D-4566 [2] BOLT  
19. 7F-8267 [1] SEAL  
20. 6F-6673 [2] SEAL  
21. 5H-0197 [1] COVER  
  C   INDICATES CHANGE
 

#UEG0878S0103
 

1P-8253: TRANSMISSION FILTER

TRANSMISSION FILTER (1P8253 N/S)
Serial No. 87V1 to 735, 738, 744, 747 to 749, 755 to 759, 762, 769, 772 to
87V775 inclusive and 82V1 to 638, 645, 647 and 82V648 inclusive
Part of 3P1750 Transmission Arrangement shown on Page 60
c152185 UEG0878S
1P8253 TRANSMISSION FILTER Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-8249 [1] BASE  
2. 9S-4191 [2] PLUG  
  3J-1907 [2] SEAL  
3. 4B-4274 [2] WASHER  
  3P-3668 [2] INSULATOR  
4. 5P-0369 [1] SEAL  
5. 8S-1813 [1] TERMINAL  
6. 4L-1250 [1] NUT  
7. 6P-2769 C [1] VALVE  
8. 3P-0887 [1] HOUSING ASSEM.  
9. 7S-6745 [1] RETAINER  
10. 3S-8652 [1] SPRING  
11. 2J-6356 [1] RING  
12. 9M-9740 C [1] ELEMENT ASSEM.  
13. 2S-8439 [1] SEAL  
14. 6J-1948 [1] SPRING  
15. 1P-8248 [1] PIN  
  C   INDICATES CHANGE
 

#UEG0878S0104
 

3P-0892: PUMP GP-TRANSMISSION GEAR

GEAR PUMP (3P892 N/S)
Part of 3P1750 Transmission Arrangement shown on Page 60
3P891 Pump parts are shown on Page 81
c200521 UEG0878S
3P0892 PUMP GP-TRANSMISSION GEAR Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-5769 [1] COUPLING  
2. 0L-2070 [4] BOLT  
  5M-2894 [4] WASHER  
3. 2P-5766 [1] CAGE  
4. 1B-5675 [1] BEARING  
5. 2H-3931 [1] SEAL  
6. 2M-3974 [1] RING  
7. 6F-6673 [1] SEAL  
8. 1A-2029 [5] BOLT  
9. 3B-4506 [7] LOCKWASHER  
10. 3P-0884 [1] GASKET  
11. 3P-0891 Y [1] PUMP GROUP  
    (Separate Illustration)
12. 8S-9191 [2] BOLT  
13. 2H-3843 [1] SEAL  
14. 5H-4279 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#UEG0878S0105
 

6P-2091: FILTER GP-TRANSMISSION

6P2091 TRANSMISSION FILTER GROUP
Serial No. 87V736, 737, 739, 740 to 743, 745, 746, 750, 751 to 754, 760, 761, 763 to
768, 770, 771 and 87V776-Up and 82V639 to 644, 646 and 82V649-Up and
Test No. 907-Up. Part of 3P1750 Transmission Arrangement shown on Page 60A
c154878 UEG0878S
6P2091 FILTER GP-TRANSMISSION Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8008 [1] PLUG  
  3D-2824 [1] SEAL  
2. 1P-9600 [1] SPOOL  
3. 2S-5816 [1] SPRING  
4. 9S-4191 [2] PLUG  
  3J-1907 [2] SEAL  
5. 6P-2090 [1] BASE  
6. 9M-9740 [1] ELEMENT ASSEM.  
7. 3S-8652 [1] SPRING  
8. 7S-6745 [1] RETAINER  
9. 2J-6356 [1] RING  
10. 3P-0887 [1] HOUSING ASSEM.  
11. 2S-8439 [1] SEAL  
 

#UEG0878S0106
 

6P-2218: FILTER BASE

FILTER BASE (6P2218 N/S)
Serial No. 87V1 to 735, 738, 744, 747 to 749, 755 to 759, 762, 769, 772 to
87V775 inclusive and 82V1 to 638, 645, 647 and 82V648 inclusive. Provides
Field Replacement of 1P8249 Filter Base shown on Page 80
c151926 UEG0878S
6P2218 FILTER BASE 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-0369 [1] SEAL  
2. 1P-2086 [1] BOLT  
  4L-1250 [1] NUT  
  7B-9002 [1] WASHER  
  3P-3668 [2] INSULATOR  
3. 8S-1813 [1] TERMINAL  
4. 1P-2085 [1] PLUG  
5. 3D-2824 [1] SEAL  
6. 1P-9600 [1] SPOOL  
7. 2S-5816 [1] SPRING  
8. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
9. 6P-2090 [1] BASE  
 

#UEG0878S0107
 

3P-0891: PUMP GP-TRANSMISSION GEAR

3P891 BASIC GEAR PUMP GROUP
Part of 3P892 Gear Pump Group shown on Page 80
c200531 UEG0878S
3P0891 PUMP GP-TRANSMISSION GEAR Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3P-0881 [1] GEAR AS-OIL PUMP (12 TEETH)  
2. 1B-8736 [1] KEY-WOODRUFF  
3. 3P-3690 [2] GEAR-OIL PUMP (8 TEETH)  
4. 3P-0890 [1] MANIFOLD AS-PUMP  
5. 1M-3780 [2] BEARING  
6. 8M-5007 [3] SEAL-O-RING  
7. 9M-2209 [1] BODY-OIL PUMP  
8. 8M-8489 [4] DOWEL  
9. 2S-5838 [1] COVER AS-PUMP  
10. 1M-3780 [2] BEARING  
11. 0S-1619 [4] BOLT (3.75 IN)LG  
12. 3S-0004 [6] WASHER  
13. 0T-0065 [2] BOLT (4 IN)LG  
14. 3P-0877 [1] GEAR AS-OIL PUMP (12 TEETH)  
15. 3P-0883 [1] MANIFOLD AS-PUMP  
  4B-9880 [1] BALL  
16. 8M-8489 [2] DOWEL  
 

#UEG0878S0108
 

9D-9850: ADAPTER GP

9D9850 ENGINE TO TRANSMISSION ADAPTER GROUP
c155940 UEG0878S
9D9850 ADAPTER 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. 8F-6711 [1] SEAL  
2. 3P-0324 [1] COUPLING  
3. 3B-1915 [12] BOLT  
  3B-4506 [12] LOCKWASHER  
4. 4S-5824 [1] RETAINER  
5. 0S-1579 [1] BOLT  
6. 5M-6200 C [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0878S0109
 

9D-5020: CONTROL GP-CLUTCH

CLUTCH CONTROL (9D5020 N/S)
c203301 UEG0878S
9D5020 CONTROL GP-CLUTCH Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-2029 [4] BOLT  
2. 3B-4506 [8] LOCKWASHER  
3. 4F-7957 [1] BOLT  
  1H-3244 [1] LOCKWASHER  
4. 9D-0001 [1] LEVER  
  3B-1915 [1] BOLT  
5. 7D-9316 [1] SHAFT  
6. 7K-2135 [1] BEARING  
7. 1B-8704 [2] KEY  
8. 4J-2667 [1] BEARING  
9. 8D-6751 [1] PEDAL  
  0S-1571 [1] BOLT  
  1D-4717 [1] NUT  
10. 8D-0009 [1] TREAD  
11. 0S-1587 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
12. 2H-3881 [1] SCREW  
13. 1B-2578 [1] NUT  
14. 6L-7751 [1] END  
15. 1B-4201 [2] NUT  
16. 9D-0669 [1] HOUSING  
17. 0S-0509 [4] BOLT  
18. 9D-0699 [1] GASKET  
19. 9D-0698 [1] COVER  
20. 6F-0253 [1] LOCKWASHER  
21. 9S-1354 [3] NUT  
22. 9D-5506 [1] END  
23. 8D-5295 [1] PIN  
  8D-5294 [1] RING  
24. 8D-5296 [1] COUPLING  
25. 3D-2992 [1] SEAL  
26. 8D-5293 [2] RING  
27. 1P-8116 [1] SEAL  
28. 9D-4635 [1] CABLE  
29. 0S-1616 [1] BOLT  
  1B-4330 [2] NUT  
30. 9D-2641 [1] SPRING  
 

Information:

Special Instruction
Instructions For Modification Of 7T1188 Control Valve Group{3152}
Instructions For Modification Of 7T1188 Control Valve Group{3152}
Specifications
2P5814 Valve Group For Direction Selector And Pressure Control
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
6P3227, 8P1101 Valve Groups For Differential, Selector And Pressure Control
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
3P843 Valve Group For Modulating, Selector, And Pressure Control
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Direction Selector And Pressure Control Valve
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential Selector And Pressure Control Valve
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Modulating Selector And Pressure Control Valve Group
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Disassembly and Assembly
Transmission Hydraulic Control Valves
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Transmission Hydraulic Control Valves
120G MOTOR GRADER POWER TRAIN
Service Magazine
Improvements To Selector And Pressure Control Valve Group Give Operator Better Control When Manual Modulation Pedal Is Depressed (Pushed In){3167,3162,3157,3152}
1980/12/15

Caterpillar Parts SIS Catalog 120G :

VALVE GP
2P-5814 VALVE GP
VALVE GP-SELECTOR & PRESS CONT
3P-0843 VALVE GP-SELECTOR & PRESS CONT
VALVE GP-PILOT
3P-0842 VALVE GP-PILOT
VALVE AS
2P-4548 VALVE AS
VALVE GP
2P-5811 VALVE GP
VALVE GP
3P-0841 VALVE GP
RELIEF CONTROL VALVE GROUP
3P-0840 RELIEF CONTROL VALVE GROUP
CONTROL GP-TRANSMISSION HYD
3P-2807 CONTROL GP-TRANSMISSION HYD
SELECTOR AND PRESSURE CONTROL VALVE GROUP
6P-3226 SELECTOR AND PRESSURE CONTROL VALVE GROUP
LINES GP-POWER TRAIN OIL
3P-2833 LINES GP-POWER TRAIN OIL
TRANSMISSION FILTER
1P-8253 TRANSMISSION FILTER
PUMP GP-TRANSMISSION GEAR
3P-0892 PUMP GP-TRANSMISSION GEAR
FILTER GP-TRANSMISSION
6P-2091 FILTER GP-TRANSMISSION
FILTER BASE
6P-2218 FILTER BASE
PUMP GP-TRANSMISSION GEAR
3P-0891 PUMP GP-TRANSMISSION GEAR
ADAPTER GP
9D-9850 ADAPTER GP

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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