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6N8101 CYLINDER HEAD GROUP Engine Serial No. 78P47088 to 78P53418 inclusive 8N1188 Head parts are shown on Page 26B 120G


BASIC ENGINE
CYLINDER HEAD GP
VALVE MECHANISM GP

MOTOR GRADER 120G MOTOR GRADER 82V
 120G MOTOR GRADER 82V00668-UP (MACHINE) POWERED BY 3304 ENGINE SEBP1045 120G 82V   (1974)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CYLINDER HEAD GP
6N-8101 CYLINDER HEAD GP
CYLINDER HEAD GP
6N-8101 CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
CYLINDER HEAD GP
8N-1188 CYLINDER HEAD GP
CYLINDER HEAD AS
6N-8875 CYLINDER HEAD AS
FASTENER GP-CYLINDER HEAD
2P-6544 FASTENER GP-CYLINDER HEAD
FASTENER GP-CYLINDER HEAD
7N-9534 FASTENER GP-CYLINDER HEAD
 

#SEBP10450030
 

6N-8101: CYLINDER HEAD GP

6N8101 CYLINDER HEAD GROUP
Engine Serial No. 78P47088 to 78P53418 inclusive
8N1188 Head parts are shown on Page 26B
c175629 SEBP1045
6N8101 CYLINDER HEAD 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. 2A-4429 [16] LOCK  
2. 5S-5874 [8] ROTOCOIL  
3. 7S-7144 [8] SPRING  
4. 5S-6452 [4] VALVE (intake)  
5. 8S-3970 [4] CHAMBER ASSEM.  
6. 6V-1585 C [4] SEAL  
7. 5M-2667 [4] GASKET  
8. 5S-7232 [4] VALVE (exhaust)  
9. 8N-1188 RY [1] HEAD ASSEM.  
    (Separate Illustration)
10. 7N-8022 [1] GASKET  
11. 3S-5496 [1] SEAL  
12. 7N-8025 [12] SEAL  
13. 7N-8018 [4] SEAL  
14. 2S-8959 [4] GASKET 5.67 mm(.223 in.) thick  
  2S-8960 [4] GASKET 6.30 mm(.248 in.) thick  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10450031
 

6N-8101: CYLINDER HEAD GP

6N8101 CYLINDER HEAD GROUP
Engine Serial No. 78P53419-Up
8N1188 Head parts are shown on Page 26B
c175789 SEBP1045
6N8101 CYLINDER HEAD 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. 2A-4429 [16] LOCK  
2. 8N-7782 C [8] ROTOCOIL ASSEM.  
3. 7S-7144 [8] SPRING  
4. 5S-6452 [4] VALVE (intake)  
5. 8S-3970 [4] CHAMBER ASSEM.  
6. 6V-1585 [4] SEAL  
7. 5M-2667 [4] GASKET  
8. 5S-7232 [4] VALVE (exhaust)  
9. 8N-1188 RY [1] HEAD ASSEM.  
    (Separate Illustration)
10. 7N-8022 [1] GASKET  
11. 3S-5496 [1] SEAL  
12. 7N-8025 [12] SEAL  
13. 7N-8018 [4] SEAL  
14. 2S-8959 [4] GASKET 5.67 mm(.223 in.) thick  
  2S-8960 [4] GASKET 6.30 mm(.248 in.) thick  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP10450032
 

4N-7444: CYLINDER HEAD ASSEMBLY

4N7444 CYLINDER HEAD ASSEMBLY
Engine Serial No. 78P18799 to 78P33936 inclusive
Part of 2P6484 Cylinder Head Group shown on Page 26
c202759 SEBP1045
4N7444 CYLINDER HEAD ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [ 12] DIRECTOR  
2. 3B-0623 [ 4] PLUG  
3. 2B-0858 [ 3] PLUG  
4. 3S-8313 [ 4] PLUG  
5. 2P-1262 [ 8] GUIDE  
7. 5S-7221 [ 4] INSERT (exhaust)  
8. 5S-7218 [ 4] INSERT (intake)  
 

#SEBP10450033
 

8N-1188: CYLINDER HEAD GP

8N1188 CYLINDER HEAD GROUP
Engine Serial No. 78P47088-Up
Part of 6N8101 Cylinder Head Group shown on Page 26A-2
c222676 SEBP1045
8N1188 CYLINDER HEAD 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. 1S-3062 [12] DIRECTOR  
2. 3B-0623 [4] PLUG  
3. 2B-0858 [3] PLUG  
4. 3S-8313 [4] PLUG  
5. 2P-1262 [8] GUIDE  
7. 5S-7221 [4] INSERT (exhaust)  
8. 7N-4448 [4] INSERT (intake)  
9. 7N-2597 [1] SPACER  
 

#SEBP10450034
 

6N-8875: CYLINDER HEAD AS

6N8875 CYLINDER HEAD ASSEMBLY
Engine Serial No. 78P33937 to 44430, 46254, 46256, 46257, 46259, 46262, 46265,
46267, 46268, 46270, 46271, 46273 to 46276, 46278, 46280 and 78P46282
inclusive. Part of 2P6484 Cylinder Head Group shown on Page 26A
c217788 SEBP1045
6N8875 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [12] DIRECTOR-WATER  
2. 3B-0623 [4] PLUG-CUP  
3. 2B-0858 [3] PLUG-PIPE  
4. 3S-8313 [4] PLUG-CUP  
5. 2P-1262 [8] GUIDE-VALVE  
6. 5S-7218 [4] INSERT-VALVE SEAT (INTAKE)  
7. 1P-6837 [4] INSERT-VALVE SEAT (EXHAUST)  
 

#SEBP10450035
 

2P-6544: FASTENER GP-CYLINDER HEAD

2P6544 CYLINDER HEAD FASTENER GROUP
Engine Serial No. 78P18799 to 78P47087 inclusive
c222879 SEBP1045
2P6544 FASTENER GP-CYLINDER HEAD 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-5183 [5] BOLT (3/8-16X4.75IN)  
  5B-3850 [5] WASHER  
    -OR-
  1A-5964 C [5] BOLT (3/8-16X4.5IN)  
2. 1B-7709 [4] BOLT (5/8-11X8IN)  
3. 2S-0736 [18] WASHER-HARD  
4. 1D-4595 [14] BOLT (5/8-11X6IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10450036
 

7N-9534: FASTENER GP-CYLINDER HEAD

7N9534 CYLINDER HEAD FASTENER GROUP
Engine Serial No. 78P47088-Up
c227966 SEBP1045
7N9534 FASTENER GP-CYLINDER HEAD Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9603 [5] BOLT (3/8-16X5IN)  
2. 1B-7709 C [3] BOLT (5/8-11X8IN)  
3. 2S-0736 C [17] WASHER-HARD  
4. 1D-4595 [14] BOLT (5/8-11X6IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10450037
 

2P-6514: COVER GP-VALVE MECHANISM

2P6514 VALVE MECHANISM COVER GROUP
c117345 SEBP1045
2P6514 COVER GP-VALVE MECHANISM Parts scheme
  For full view, you need register

Parts for your 120G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3871 [1] COVER AS-HEAD  
2. 8S-1606 [1] GASKET-COVER  
3. 0S-1617 [11] BOLT  
  3B-4505 [11] LOCKWASHER  
 

#SEBP10450038
 

2P-6524: VALVE-MECHANISM GP

2P6524 VALVE MECHANISM GROUP
Engine Serial No. 78P18799 to 78P45838 and 78P46446 to 78P47087 inclusive
c119069 SEBP1045
2P6524 VALVE-MECHANISM 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. 2P-3189 [1] SHAFT ASSEM.  
  0L-1026 [2] PLUG (.50 in. Diameter)  
2. 5S-5879 [1] BRACKET  
  5M-4606 [1] DOWEL  
3. 4B-4910 [3] SPRING  
4. 9H-1110 [8] WASHER  
5. 5S-5879 [2] BRACKET  
6. 5S-6855 [4] ARM ASSEM. (Exhaust)  
7. 5S-6854 [4] ARM ASSEM. (Intake)  
8. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
9. 9M-9886 [2] WASHER  
  9H-1112 [2] SPRING  
10. 1B-4203 [8] NUT  
11. 5S-5917 [8] SCREW  
12. 5S-5918 [8] ROD  
13. 7S-3161 [8] LIFTER  
14. 9H-1113 [2] RING  
 

#SEBP10450039
 

2P-6524: VALVE-MECHANISM GP

2P6524 VALVE MECHANISM GROUP
Engine Serial No. 78P45839 to 78P46445 inclusive
c220791 SEBP1045
2P6524 VALVE-MECHANISM 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. 8N-3315 C [1] SHAFT ASSEM.  
  0L-1026 [2] PLUG -1270mm(50 in.) diameter  
2. 5S-5879 [1] BRACKET  
  5M-4606 [1] DOWEL  
3. 4B-4910 [3] SPRING  
4. 9H-1110 [8] WASHER  
5. 5S-5879 [2] BRACKET  
6. 5S-5918 [8] ROD  
7. 7S-3161 [8] LIFTER  
8. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
9. 9M-9886 [2] WASHER  
  9H-1112 [2] SPRING  
10. 9H-1113 [2] RING  
11. 8N-3324 C [4] ARM ASSEM. (exhaust)  
12. 8N-3326 C [4] ARM ASSEM. (intake)  
13. 5S-5917 [8] SCREW  
14. 1B-4203 [8] NUT  
  C   INDICATES CHANGE
 

Information:

Caterpillar Parts SIS Catalog 120G :

CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6484 CYLINDER HEAD GP
CAMSHAFT GP-SINGLE
2P-6201 CAMSHAFT GP-SINGLE
BALANCER GP
5S-6425 BALANCER GP
PISTON & ROD GP
9S-8912 PISTON & ROD GP
PISTON & ROD GP
9S-8912 PISTON & ROD GP
HUB GP-CRANKSHAFT
3P-0103 HUB GP-CRANKSHAFT
CYLINDER HEAD GP
6N-8101 CYLINDER HEAD GP
CYLINDER HEAD ASSEMBLY
4N-7444 CYLINDER HEAD ASSEMBLY
CYLINDER HEAD GP
8N-1188 CYLINDER HEAD GP
CYLINDER HEAD AS
6N-8875 CYLINDER HEAD AS
FASTENER GP-CYLINDER HEAD
2P-6544 FASTENER GP-CYLINDER HEAD
FASTENER GP-CYLINDER HEAD
7N-9534 FASTENER GP-CYLINDER HEAD
COVER GP-VALVE MECHANISM
2P-6514 COVER GP-VALVE MECHANISM
VALVE-MECHANISM GP
2P-6524 VALVE-MECHANISM GP

Truck sale:

Caterpillar 120G
 
Caterpillar 120G
- motor graders
HOLT CAT
 
40,000 
Caterpillar 120G, motor graders, Construction
- motor graders
ALTORFER INC.
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18,210 
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- 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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