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112-4229 CYLINDER & SEAL GP-BOOM S/N 8AL1-1019 PART OF 111-1944 BOOM AR AN ATTACHMENT M318 EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP

EXCAVATOR M318 EXCAVATOR 8AL
 M318 Excavator 8AL00001-01019 (MACHINE) POWERED BY 3116 Engine SEBP2361 M318 8AL   (2015)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MTG GP-AXLE LOCK
111-1897 CYLINDER & MTG GP-AXLE LOCK
CYLINDER & SEAL GP-BOOM
112-4229 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
112-4238 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
112-4242 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BUCKET
112-4244 CYLINDER & SEAL GP-BUCKET
 

#SEBP23610320
 

112-4229: CYLINDER & SEAL GP-BOOM

112-4229 CYLINDER & SEAL GP-BOOM
S/N 8AL1-1019
PART OF 111-1944 BOOM AR
AN ATTACHMENT
i00490054 SEBP2361
1124229 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4803 [2] SEAL-LIP TYPE  
2. 093-1434 [2] SEAL-LIP TYPE  
3. 112-4231 Y [1] CYLINDER GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP23610321
 

112-4238: CYLINDER & SEAL GP-BOOM

112-4238 CYLINDER & SEAL GP-BOOM
S/N 8AL1-1019
PART OF 111-1946 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00490090 SEBP2361
1124238 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4803 [2] SEAL-LIP TYPE  
2. 093-1434 [2] SEAL-LIP TYPE  
3. 112-4241 Y [1] CYLINDER GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP23610322
 

112-4242: CYLINDER & SEAL GP-BOOM

112-4242 CYLINDER & SEAL GP-BOOM
S/N 8AL1-1019
PART OF 111-1946 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00490097 SEBP2361
1124242 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7X-4803 [4] SEAL-LIP TYPE  
2. 112-4243 Y [1] CYLINDER GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP23610323
 

112-4244: CYLINDER & SEAL GP-BUCKET

112-4244 CYLINDER & SEAL GP-BUCKET
S/N 8AL1-1019
PART OF 111-3801, 111-3802 LINKAGE AR-BUCKET
AN ATTACHMENT
i00490108 SEBP2361
1124244 CYLINDER & SEAL GP-BUCKET Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5W-2817 [2] FITTING-GREASE  
2. 093-1433 [4] SEAL-LIP TYPE  
3. 112-4245 Y [1] CYLINDER GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP23610324
 

112-4234: CYLINDER & SEAL GP-STICK

112-4234 CYLINDER & SEAL GP-STICK
S/N 8AL1-1019
PART OF 111-1944 BOOM AR, 111-1946 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00490063 SEBP2361
1124234 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5W-2817 [1] FITTING-GREASE  
2. 093-1434 [4] SEAL-LIP TYPE  
3. 112-4236 Y [1] CYLINDER GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP23610325
 

8U-6848: CYLINDER GP-AXLE OSC LOCK

8U-6848 CYLINDER GP-AXLE OSC LOCK
S/N 8AL1-1019
PART OF 111-1897 CYLINDER & MTG GP-AXLE LOCK
i00427503 SEBP2361
8U6848 CYLINDER GP-AXLE OSC LOCK Parts scheme
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Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-1965 [1] CYLINDER  
2. 5W-5276 [1] VALVE (HYDRAULIC CHECK)  
3. 8U-1966 [1] HOUSING  
4. 5W-5273 [1] PISTON  
5. 5W-5272 [1] GUIDE-TAPPET  
6. 5W-5271 [1] TAPPET  
7. 8U-1967 [1] PISTON  
8. 5W-5162 [1] SPRING  
9. 8U-2918 J [1] RING-SCRAPER  
10. 8U-6849 J [1] RING  
11. 5W-4882 J [1] SPACER  
12. 8U-6850 J [1] SEAL-O-RING  
13. 5W-4877 J [1] SEAL-O-RING  
14. 5W-4881 J [1] SEAL-O-RING  
15. 095-1751 J [1] SEAL-O-RING  
16. 5W-5108 J [1] RING  
17. 105-3480 M [4] BOLT-SOCKET HEAD (M5X0.8X16-MM)  
18. 5W-1453 [4] LOCKWASHER  
19. 9S-8002 [1] PLUG (7/16-20-THD)  
20. 3J-7354 [1] SEAL-O-RING  
21. 9S-8005 [1] PLUG (3/4-16-THD)  
22. 3K-0360 [1] SEAL-O-RING  
23. 9S-9334 [1] PLUG  
24. 7M-8485 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  8U-6851 J [1] KIT-REPAIR (AXLE OSC LOCK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP23610326
 

111-2034: CYLINDER GP-BLADE

111-2034 CYLINDER GP-BLADE
S/N 8AL1-850
PART OF 111-1927, 118-1864 BLADE AR
AN ATTACHMENT
i00477972 SEBP2361
1112034 CYLINDER GP-BLADE Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-3111 [1] CYLINDER  
2. 118-3112 [1] ROD  
3. 118-3113 [1] PISTON  
4. 118-3114 [1] COLLAR  
5. 118-3115 [1] PISTON  
6. 118-3116 [2] RETAINER  
7. 118-3117 [2] CONE  
8. 5W-1274 [2] PLUG  
9. 118-3119 J [1] SEAL  
10. 118-3120 J [1] RING  
11. 118-3121 J [2] RING  
12. 8U-1958 J [1] SEAL-O-RING  
13. 118-3123 J [1] RING-BACKUP  
14. 118-3122 J [1] SEAL-O-RING  
15. 118-3124 J [1] RING  
16. 118-3125 J [1] SEAL-O-RING  
17. 118-3126 J [1] RING-BACKUP  
18. 118-3127 J [1] RING  
19. 118-3128 J [1] SEAL-O-RING  
20. 118-3129 J [1] RING-BACKUP  
21. 4J-5351 J [2] SEAL-O-RING  
22. 118-3130 J [2] RING-BACKUP  
23. 118-3131 J [2] SEAL-O-RING  
24. 118-3132 [2] SPRING  
25. 118-3133 M [1] NUT (M45X1.5-THD)  
26. 118-2731 [1] PIN  
27. 118-3134 [2] BEARING  
28. 118-2732 [2] FITTING-GREASE  
   
    AVAILABLE REPAIR KIT(S):
  118-3135 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP23610327
 

142-1603: CYLINDER GP-BLADE

142-1603 CYLINDER GP-BLADE
S/N 8AL851-1019
PART OF 111-1927, 118-1864 BLADE AR
AN ATTACHMENT
i00562985 SEBP2361
1421603 CYLINDER GP-BLADE Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-3111 [1] CYLINDER  
2. 118-3112 [1] ROD  
3. 118-3113 [1] PISTON  
4. 118-3114 [1] COLLAR  
5. 142-1621 [1] PISTON  
6. 118-3116 [1] RETAINER  
7. 118-3117 [1] CONE  
8. 5W-1274 [2] PLUG  
9. 118-3119 J [1] SEAL  
10. 118-3120 J [1] RING  
11. 118-3121 J [2] RING  
12. 8U-1958 J [1] SEAL-O-RING  
13. 118-3123 J [1] RING-BACKUP  
14. 118-3122 J [1] SEAL-O-RING  
15. 118-3124 J [1] RING  
16. 118-3125 J [1] SEAL-O-RING  
17. 118-3126 J [1] RING-BACKUP  
18. 118-3127 J [1] RING  
19. 118-3128 J [1] SEAL-O-RING  
20. 118-3129 J [1] RING-BACKUP  
21. 4J-5351 J [3] SEAL-O-RING  
22. 118-3130 J [2] RING-BACKUP  
23. 118-3131 J [2] SEAL-O-RING  
24. 118-3132 [2] SPRING  
25. 118-3133 M [1] NUT (M45X1.5-THD)  
26. 118-2731 [1] PIN  
27. 118-3134 [2] BEARING  
28. 118-2732 [2] FITTING-GREASE  
29. 142-1622 [1] RETAINER  
30. 142-1623 [1] PIN  
   
    AVAILABLE REPAIR KIT(S):
  118-3135 J [1] KIT-SEAL  
  J   (KIT MARKED J INCLUDES PARTS MARKED J)
  M   METRIC PART
 

#SEBP23610328
 

112-4231: CYLINDER GP-BOOM

112-4231 CYLINDER GP-BOOM
S/N 8AL1-1019
120-MM (5-IN) BORE X 985-MM (39-IN) STROKE
PART OF 112-4229 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00490060 SEBP2361
1124231 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9X-3592 J [1] SEAL AS  
2. 8J-0391 [2] COVER  
3. 112-6413 [1] CYLINDER AS  
3A. 258-8502 [1] BUSHING  
4. 112-6418 [1] HEAD  
5. 118-4130 J [1] RING  
6. 170-9844 J [1] SEAL-BUFFER  
7. 123-8614 J [1] RING-BACKUP  
8. 172-1026 [1] ROD & BEARING AS-CYLINDER  
8A. 143-3840 [1] BUSHING  
9. 147-5835 M [1] LOCKNUT-SPECIAL  
10. 087-5507 [1] STOP  
11. 143-8027 J [1] RING  
12. 114-0756 [1] BUSHING  
13. 123-7724 J [1] SEAL-O-RING  
14. 127-6052 [1] PISTON  
15. 165-9286 J [1] SEAL-LIP TYPE  
16. 6I-6786 J [1] RING-SEAL  
17. 7Y-5116 J [1] RING  
18. 170-9860 J [1] SEAL-U-CUP  
19. 7Y-5119 [1] RING-RETAINING  
20. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
21. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
   
    AVAILABLE REPAIR KIT(S):
  258-0501 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP23610329
 

112-4241: CYLINDER GP-BOOM

112-4241 CYLINDER GP-BOOM
S/N 8AL1-1019
120-MM (4.72-IN) BORE X 985-MM (38.8-IN) STROKE
PART OF 112-4238 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00490094 SEBP2361
1124241 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9X-3592 J [1] SEAL AS  
2. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
3. 112-6413 [1] CYLINDER AS  
3A. 258-8502 [1] BUSHING  
4. 112-6418 [1] HEAD  
5. 118-4130 J [1] RING  
6. 170-9844 J [1] SEAL-BUFFER  
7. 123-8614 J [1] RING-BACKUP  
8. 136-6027 [1] ROD & BEARING AS-CYLINDER  
8A. 143-3840 [1] BUSHING  
9. 147-5835 M [1] LOCKNUT-SPECIAL  
10. 087-5507 [1] STOP  
11. 143-8027 J [1] RING  
12. 114-0756 [1] BUSHING  
13. 123-7724 J [1] SEAL-O-RING  
14. 127-6052 [1] PISTON  
15. 165-9286 J [1] SEAL-LIP TYPE  
16. 6I-6786 J [1] RING-SEAL  
17. 7Y-5116 J [1] RING  
18. 170-9860 J [1] SEAL-U-CUP  
19. 7Y-5119 [1] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  258-0501 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

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}
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
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
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}
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}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Service Magazine
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04
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 M318 :

CYLINDER & MTG GP-AXLE LOCK
111-1897 CYLINDER & MTG GP-AXLE LOCK
COVER GP-VALVE
114-0208 COVER GP-VALVE
COUPLING GP-PUMP
134-9680 COUPLING GP-PUMP
COUPLING GP-FLEXIBLE
142-0467 COUPLING GP-FLEXIBLE
134-9717 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
111-1992 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
111-1870 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
111-1870 COUPLING GP-FLEXIBLE
CYLINDER & SEAL GP-BOOM
112-4238 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
112-4242 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BUCKET
112-4244 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-STICK
112-4234 CYLINDER & SEAL GP-STICK
CYLINDER GP-AXLE OSC LOCK
8U-6848 CYLINDER GP-AXLE OSC LOCK
CYLINDER GP-BLADE
111-2034 CYLINDER GP-BLADE
CYLINDER GP-BLADE
142-1603 CYLINDER GP-BLADE
CYLINDER GP-BOOM
112-4231 CYLINDER GP-BOOM

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