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2Y5206 CRANKSHAFT GP ENGINE S/N 60Z1-4953 120B MOTOR GRADER


BASIC ENGINE
CRANKSHAFT GP
CYLINDER BLOCK GP
CRANKSHAFT GP
CAMSHAFT GP
PISTON & ROD GP
CYLINDER HEAD GP

MOTOR GRADER 120B MOTOR GRADER 32C
 120B MOTOR GRADER 32C00100-UP (MACHINE) POWERED BY 3306 ENGINE ZEBP1394 120B 32C   (1981)

BASIC ENGINE

CRANKSHAFT GP
CRANKSHAFT GP
2Y-5206 CRANKSHAFT GP
CRANKSHAFT GP
2Y-5206 CRANKSHAFT GP
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
6N-0220 SEAL GP-CRANKSHAFT
 

#ZEBP13940010
 

2Y-5206: CRANKSHAFT GP

2Y5206 CRANKSHAFT GP
ENGINE S/N 60Z1-4953
c407889 ZEBP1394
2Y5206 CRANKSHAFT GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9342 [2] PLATE-THRUST  
2. 4W-5738 C [7] BEARING-MAIN  
3. 2Y-4507 C [1] CRANKSHAFT AS  
4. 9F-2247 [6] PLUG  
  C   CHANGE FROM PREVIOUS TYPE
 

#ZEBP13940011
 

2Y-5206: CRANKSHAFT GP

2Y5206 CRANKSHAFT GP
ENGINE S/N 60Z4954-UP
c618047 ZEBP1394
2Y5206 CRANKSHAFT GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 100-3652 [2] PLATE-THRUST  
2. 4W-5738 [7] BEARING-MAIN  
  8N-8225 AB [7] BEARING-MAIN (.25MM US)  
  8N-8226 AB [7] BEARING-MAIN (.51MM US)  
  8N-8227 AB [7] BEARING-MAIN (.76MM US)  
  8N-8228 AB [7] BEARING-MAIN (.51MM OS)  
  8N-8229 AB [7] BEARING-MAIN (.25MM US/.51MM OS)  
  4P-7305 AB [7] BEARING-MAIN (.51MM US/.51MM OS)  
  4P-7306 AB [7] BEARING-MAIN (.76MM US/.51MM OS)  
3. 5Y-1546 C [1] CRANKSHAFT AS  
4. 9F-2247 [6] PLUG  
5. 1W-4405 C [1] GEAR-CRANKSHAFT (40 TEETH)  
6. 5H-2671 C [1] KEY-WOODRUFF  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#ZEBP13940012
 

2Y-5174: COVER GP-CYLINDER BLOCK

2Y5174 CYLINDER BLOCK COVER GROUP
c233836 ZEBP1394
2Y5174 COVER GP-CYLINDER BLOCK Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2Y-5249 [1] ADAPTER  
  4M-6480 [1] GASKET  
2. 1A-2029 [2] BOLT  
3. 5M-2894 [4] WASHER  
4. 8L-8662 [1] COVER  
  5S-8055 [1] GASKET  
5. 4B-3938 [1] PLUG  
6. 2A-3798 [2] DOWEL  
7. 8M-3267 [1] SCREW  
8. 0L-1351 [2] BOLT  
 

#ZEBP13940013
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
ZEBP13940013 ZEBP1394
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    CYLINDER BLOCK NOT REBORED
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
  8N-8225 [7] 0.25MM  
  8N-8226 [7] 0.51MM  
  8N-8227 [7] 0.76MM  
    CYLINDER BLOCK REBORED (0.51MM)
    (FOR BEARING OVERSIZE O.D.)
    CRANKSHAFT GROUND FOR UNDERSIZE
    MAIN BEARING I.D. OF:
  8N-8228 [7] 0 (STANDARD)  
  8N-8229 [7] 0.25MM  
 

#ZEBP13940014
 

6N-0220: SEAL GP-CRANKSHAFT

6N0220 CRANKSHAFT SEAL GROUP
c513592 ZEBP1394
6N0220 SEAL GP-CRANKSHAFT Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-2910 [2] RING  
2. 9Y-9895 [1] SEAL GP-CRANKSHAFT  
 

#ZEBP13940015
 

1N-4406: CAMSHAFT GP

1N4406 CAMSHAFT GP
c556765 ZEBP1394
1N4406 CAMSHAFT GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-2942 R [1] CAMSHAFT AS  
2. 7S-2204 [1] WASHER-THRUST  
3. 8S-1491 [1] LOCK  
4. 0S-0509 [2] BOLT  
  R   REMFG PART MAY BE AVAILABLE
 

#ZEBP13940016
 

4N-4028: PISTON & ROD GP

4N4028 ROD & PISTON GP-6 REQUIRED
c222700 ZEBP1394
4N4028 PISTON & ROD GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7N-9804 C [1] PIN-PISTON  
2. 9H-4015 [2] RETAINER-PIN  
3. 6N-8061 C [1] ROD AS-CONNECTION  
  7S-9347 [1] BEARING  
4. 1P-9956 [2] BOLT-CONNECTING ROD  
  5S-6348 [2] NUT-SPECIAL  
5. 7M-7821 [1] BEARING-CONNECTING ROD (STANDARD)  
  2S-0502 [1] BEARING-.254MM US (.010IN)UNDERSIZE  
  2S-0503 [1] BEARING-.508MM US (.020IN)UNDERSIZE  
  7M-7826 [1] BEARING-.762MM US (.030IN)UNDERSIZE  
6. 8N-3181 C [1] PISTON GP  
7. 9S-7788 [1] RING-PISTON (OIL)  
8. 5S-6750 [1] RING-INTERMEDIATE  
9. 7S-8378 [1] RING-PISTON TOP  
  7S-9404 [1] RING GP-PISTON  
    (INCL COMPLETE SET
    OF RINGS FOR ONE
    PISTON)
  C   CHANGE FROM PREVIOUS TYPE
 

#ZEBP13940017
 

2P-6476: CYLINDER HEAD GP

2P6476 CYLINDER HEAD GP*R
ENGINE S/N 60Z1-3006
c218772 ZEBP1394
2P6476 CYLINDER HEAD GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 C [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 6N-8120 C [1] HEAD ASSEM.  
    (Includes)
5. 0S-1594 [4] BOLT  
6. 5M-2894 [4] WASHER  
7. 1P-6367 [1] COVER  
8. 5S-6735 [1] GASKET  
9. 3B-0623 [6] PLUG  
10. 3S-8313 [7] PLUG  
11. 1S-3062 [18] DIRECTOR  
12. 2B-0858 [3] PLUG  
13. 7N-4448 [6] INSERT (intake)  
14. 5S-7221 [6] INSERT (exhaust)  
15. 2P-1262 [12] GUIDE  
16. 2H-3855 [1] BOLT  
  7N-2597 [1] SPACER  
17. 7S-3206 [6] SEAL  
18. 5S-6795 [6] CHAMBER ASSEM.  
19. 6N-7263 C [1] GASKET  
20. 5S-6452 [6] VALVE (intake)  
21. 5S-6449 [6] VALVE (exhaust)  
22. 5M-2667 [6] GASKET 4.93 mm(.194 in.)thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.)thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.) thick  
  C   INDICATES CHANGE
 

#ZEBP13940018
 

2Y-9518: CYLINDER HEAD GP

2Y9518 CYLINDER HEAD GP
ENGINE S/N 60Z3007-UP
c640601 ZEBP1394
2Y9518 CYLINDER HEAD GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING-VALVE  
2. 1W-5300 [12] ROTOCOIL AS  
    (EACH INCLUDES)
  6N-7174 [1] SHIELD-OIL  
3. 2A-4429 [24] LOCK-RETAINER  
4. 4W-8087 [18] SEAL-WATER  
5. 5M-2667 B [6] GASKET-CHAMBER (4.93MM(.194IN)THK)  
  2S-8959 B [6] GASKET-CHAMBER (5.66MM(.223IN)THK)  
  2S-8960 B [6] GASKET-CHAMBER (6.3MM(.248IN)THK)  
6. 7N-7999 [1] GASKET-CYLINDER HEAD  
7. 5S-6452 [6] VALVE-INLET  
8. 5S-6449 [6] VALVE-EXHAUST  
9. 5S-6795 [6] CHAMBER AS  
10. 7S-3206 [6] SEAL-O-RING  
11. 7N-8018 [6] SEAL-WATER  
   
   
   
   
   
   
   
   
12. 6N-8120 [1] CYLINDER HEAD AS  
13. 7N-2597 [1] SPACER  
14. 2P-1262 [12] GUIDE-VALVE  
15. 0S-1594 [4] BOLT  
16. 5M-2894 [4] WASHER  
17. 1P-6367 [1] COVER  
18. 5S-6735 [1] GASKET  
19. 3B-0623 [6] PLUG-CUP  
20. 3S-8313 [7] PLUG-CUP  
21. 1S-3062 [18] DIRECTOR-WATER  
22. 2B-0858 [3] PLUG-PIPE  
23. 7N-4448 [6] INSERT  
24. 1W-5321 [6] INSERT-VALVE SEAT  
  B   USE AS REQUIRED
 

#ZEBP13940019
 

8N-1187: CYLINDER HEAD GP

8N1187 CYLINDER HEAD GP
ENGINE S/N 60Z3007-UP
PROVIDES FIELD REPLACEMENT FOR 6N8021
c223144 ZEBP1394
8N1187 CYLINDER HEAD GP Parts scheme
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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [4] BOLT  
2. 5M-2894 [4] WASHER  
3. 1P-6367 [1] COVER  
4. 5S-6735 [1] GASKET  
5. 3B-0623 [6] PLUG  
6. 3S-8313 [7] PLUG  
7. 1S-3062 [18] DIRECTOR  
8. 2B-0858 [3] PLUG  
9. 7N-4448 [6] INSERT (intake)  
10. 5S-7221 [6] INSERT (exhaust)  
11. 2P-1262 [12] GUIDE  
12. 7N-2597 [1] SPACER  
 

Information:

Special Instruction
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installing Crankshaft Seals And Wear Sleeves Using The Former 9S8868, 9S8873, 9S8881 And 9S8888 Tools Groups{1160, 1161, 0704}
Installation Of Service Replacement Thrust Plates{1203}
Installation Of Service Replacement Thrust Plates{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1160, 1161}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Installation Of Service Replacement Crankshaft For A 3304 Or 3306 Engine{1202}
Installation Of Service Replacement Crankshaft For A 3304 Or 3306 Engine{1202}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Crankshaft Seal And Wear Sleeve Installation{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Installation Of Seal Groups With Hydrodynamic Grooves In The Seal Lip{1160, 1161}
Specifications
Crankshaft
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Bearing Surface (Journal) For Main Bearings
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Bearing Surface (Journal) For Connecting Rods
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Crankshaft Hub And Damper
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Tool Operating Manual
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Reuse And Salvage Guidelines
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Reuse and Salvage for Crankshafts {0674, 1202}
Reuse and Salvage for Crankshafts {0674, 1202}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Reuse and Salvage for Engine Dampers {1202, 1205}
Reuse and Salvage for Engine Dampers {1202, 1205}
Disassembly and Assembly
Crankshaft Main Bearings
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Vibration Damper And Crankshaft Pulley
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Crankshaft Front Seal And Wear Sleeve
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Crankshaft
3306 VEHICULAR ENGINE FOR 120B MOTOR GRADER
Service Magazine
Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22
Use 6V6035 Hardness Tester On Crankshafts{0651,1202}
1982/02/22
Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03
New Crankshaft Assemblies{1202,1204,1206,1207,1212}
1982/11/01
6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves{0622,0626,1160,1161}
1982/11/01
Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16
Reuse Of Engine Bearings{1230}
1983/05/16
Crankshaft Failures{1202,1230}
1983/11/21
Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21
Remanufactured Undersize Crankshafts Are Available{1202}
1983/11/21
New Crankshaft Thrust Plate{1203}
1984/01/09
New Connecting Rod And Main Bearings Used{1230,1219,1203}
1984/03/26
Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29
Remanufactured Crankshafts Are Available In Standard And Two Undersize Dimensions (U.S. and Canada){1202,7754}
1985/11/18
Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08
Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18
Tools To Install Crankshaft Seal And Wear Sleeve{1160,1161,0622}
1977/07/11
Crankshaft Support Groups Are Available To Measure Bent Crankshafts{0653,1202}
1977/11/07
Double Lip Seal With Hydrodynamic Grooves Used At Rear Of Crankshaft {1161,1200}
1987/09/28
Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12
Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28
Four Crankshaft Rear Seals Are Available For Use On 3304 And 3306 Engines{1161}
1979/03/26
Check Crankshaft Seals During Installation Of Engine Overhaul Gasket Kits; Add A Wear Sleeve When Needed{7555,7558,1161}
1979/06/04
New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04
Improved Engine Design Uses Cylinder Block With Spacer Plate And New Crankshaft Thrust Plates{1000}
1979/07/02
New Front Crankshaft Seal Used{1160,1202}
1991/02/18
Use the 171-7212 Wear Sleeve to Repair the Crankshaft Hub {1160}
2011/09/20
A New Type of Main Bearing is Available {1203}
2005/12/26
40 Power Microscope is Available for Inspecting Bearing Journals on Crankshafts {0777, 1202}
2006/01/16

Caterpillar Parts SIS Catalog 120B :

CYLINDER BLOCK GP
1N-3576 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-6550 CYLINDER BLOCK AS
CYLINDER BLOCK AS
2Y-5235 CYLINDER BLOCK AS
CYLINDER BLOCK GP
2Y-9363 CYLINDER BLOCK GP
CYLINDER BLOCK GP
8N-3021 CYLINDER BLOCK GP
2Y-9484 ENGINE AR
2Y-9484 ENGINE AR
2Y-5175 ENGINE AR
CRANKSHAFT GP
2Y-5206 CRANKSHAFT GP
COVER GP-CYLINDER BLOCK
2Y-5174 COVER GP-CYLINDER BLOCK
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
6N-0220 SEAL GP-CRANKSHAFT
CAMSHAFT GP
1N-4406 CAMSHAFT GP
PISTON & ROD GP
4N-4028 PISTON & ROD GP
CYLINDER HEAD GP
2P-6476 CYLINDER HEAD GP
CYLINDER HEAD GP
2Y-9518 CYLINDER HEAD GP

Truck sale:

CATERPILLAR 120B 1978
$17,572 USD 
CATERPILLAR 120B 1978
- MOTOR GRADERS
PESA
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