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112-4241 CYLINDER GP-BOOM S/N 8AL1020-UP 120-MM (4.72-IN) BORE X 985-MM (38.8-IN) STROKE PART OF 112-4238 CYLINDER & SEAL GP-BOOM AN ATTACHMENT M318


HYDRAULIC SYSTEM
CYLINDER GP

EXCAVATOR M318 EXCAVATOR 8AL
 M318 Excavator 8AL01020-UP (MACHINE) POWERED BY 3116 Engine SEBP2848 M318 8AL   (2015)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BLADE
142-1603 CYLINDER GP-BLADE
CYLINDER GP-BOOM
112-4231 CYLINDER GP-BOOM
CYLINDER GP-BOOM
112-4241 CYLINDER GP-BOOM
CYLINDER GP-BOOM
112-4243 CYLINDER GP-BOOM
CYLINDER GP-BOOM
112-4243 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
112-4245 CYLINDER GP-BUCKET
 

#SEBP28480340
 

112-4241: CYLINDER GP-BOOM

112-4241 CYLINDER GP-BOOM
S/N 8AL1020-UP
120-MM (4.72-IN) BORE X 985-MM (38.8-IN) STROKE
PART OF 112-4238 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00490094 SEBP2848
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 [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
 

#SEBP28480341
 

112-4243: CYLINDER GP-BOOM

112-4243 CYLINDER GP-BOOM
S/N 8AL1020-1342; 8AL1344-1352; 8AL1362-1362; 8AL1392-1393
160 MM (6 IN) BORE X 716 MM (28 IN) STROKE
PART OF 112-4242 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00490101 SEBP2848
1124243 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. 095-1267 M [1] SETSCREW-SOCKET (M10X1.5-THD)  
2. 9X-3604 J [1] SEAL AS  
3. 112-6429 [1] HEAD  
4. 112-6430 [1] PISTON  
5. 113-7323 [1] ROD & BEARING AS-CYLINDER  
  087-5533 [1] BUSHING  
6. 118-3944 J [1] RING  
7. 087-5550 J [1] RING-BACKUP  
8. 114-0756 [1] BUSHING  
9. 095-1635 J [1] SEAL-O-RING  
10. 096-3201 J [1] RING  
11. 112-6921 J [1] SEAL-O-RING  
12. 114-0644 J [1] SEAL-LIP TYPE  
13. 7Y-5116 J [1] RING  
14. 7Y-5117 J [1] SEAL-U-CUP  
15. 123-1943 J [1] SEAL-BUFFER  
16. 7Y-5119 [1] RING-RETAINING  
17. 7Y-5239 M [8] BOLT-SOCKET HEAD (M24X3X100-MM)  
18. 112-6424 [1] CYLINDER AS  
19. 087-5533 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  124-7005 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP28480342
 

112-4243: CYLINDER GP-BOOM

112-4243 CYLINDER GP-BOOM
S/N 8AL1343-UP
160 MM (6 IN) BORE X 716 MM (28 IN) STROKE
PART OF 112-4242 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00735990 SEBP2848
1124243 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. 095-1267 M [1] SETSCREW-SOCKET (M10X1.5-THD)  
2. 9X-3604 J [1] SEAL AS  
3. 112-6429 [1] HEAD  
4. 151-7664 C [1] PISTON  
5. 151-7663 C [1] ROD & BEARING AS  
  087-5533 [1] BUSHING  
6. 118-3944 J [1] RING  
7. 087-5550 J [1] RING-BACKUP  
8. 114-0756 [1] BUSHING  
9. 095-1635 J [1] SEAL-O-RING  
10. 096-3201 J [1] RING  
11. 112-6921 J [1] SEAL-O-RING  
12. 165-9286 J [1] SEAL-LIP TYPE  
13. 7Y-5116 J [1] RING  
14. 170-9860 J [1] SEAL-U-CUP  
15. 170-9844 J [1] SEAL-BUFFER  
16. 7Y-5119 [1] RING-RETAINING  
17. 7Y-5239 M [8] BOLT-SOCKET HEAD (M24X3X100-MM)  
18. 112-6424 [1] CYLINDER AS  
19. 087-5533 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  258-0503 J [1] KIT-SEAL (BOOM CYLINDER)  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP28480343
 

112-4245: CYLINDER GP-BUCKET

112-4245 CYLINDER GP-BUCKET
S/N 8AL1020-UP
110MM (4.33IN) BORE, 1030MM (40.5IN) STROKE
PART OF 112-4244 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT
i00490114 SEBP2848
1124245 CYLINDER 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. 8J-0390 [2] GASKET  
2. 8J-0391 [2] COVER  
3. 112-6444 [1] CYLINDER AS  
3A. 111-7608 [1] BUSHING  
4. 112-6449 [1] HEAD  
5. 112-6450 J [1] RING-BACKUP  
6. 137-6211 [1] ROD & BEARING AS-CYLINDER  
6A. 111-7609 [1] BUSHING  
7. J [1] RING  
8. 165-9285 J [1] SEAL-LIP TYPE  
9. 095-9806 M [8] BOLT-SOCKET HEAD (M16X2X80-MM)  
10. 096-1054 J [1] RING-BACKUP  
11. 096-8139 [1] RING-RETAINING  
12. 103-8340 [1] STOP  
13. 103-8341 J [1] RING-SEAL  
14. 112-6920 J [1] SEAL-O-RING  
15. 114-0755 [1] BUSHING  
16. 127-6047 [1] PISTON  
17. 133-6678 J [1] RING  
18. 143-8150 M [1] LOCKNUT-SPECIAL  
19. 170-9843 J [1] SEAL-BUFFER  
20. 170-9859 J [1] SEAL-U-CUP  
21. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
22. 9X-7301 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  260-5317 J [1] KIT-SEAL (CYLINDER)  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP28480344
 

185-1736: CYLINDER GP-BUCKET

185-1736 CYLINDER GP-BUCKET
S/N 8AL1020-UP
100-MM (3.9-IN) BORE X 250-MM (9.8-IN) STROKE
PART OF 117-0931, 125-4428 LINKAGE AR-BUCKET
AN ATTACHMENT
i01256705 SEBP2848
1851736 CYLINDER 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. 185-1735 [1] CYLINDER AS  
2. 8U-3885 [1] ROD  
3. 8U-3886 J [3] SEAL  
4. 8U-3887 J [1] SEAL  
5. 234-4855 J [1] SEAL  
6. 8T-0707 [4] RING-RETAINING (INTERNAL)  
7. 8G-4189 [2] BEARING-SELF-ALIGNING  
   
    AVAILABLE REPAIR KIT(S):
  8U-3888 J KIT-REPAIR (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP28480345
 

169-0329: CYLINDER GP-COUPLER

169-0329 CYLINDER GP-COUPLER
S/N 8AL1020-UP
60-MM (2.4-IN) BORE X 110-MM (4.3-IN) STROKE
PART OF 169-0327 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i02230559 SEBP2848
1690329 CYLINDER GP-COUPLER Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 169-3923 [1] KIT-VALVE (QUICK COUPLER)  
   
    AVAILABLE REPAIR KIT(S):
  202-7897 [1] KIT-SEAL (COUPLER CYLINDER)  
    (INCLUDES 4 SEALS, 3 O-RING SEALS, 5 BACK-UP RINGS & 1 WIPER SEAL)
 

#SEBP28480346
 

120-4708: CYLINDER GP-MASTER

120-4708 CYLINDER GP-MASTER
S/N 8AL1020-2264
PART OF 111-1901 CONTROL GP-BRAKE
i00473350 SEBP2848
1204708 CYLINDER GP-MASTER Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-5764 [1] HOUSING  
2. 8U-5765 [1] PISTON  
3. 120-8127 [1] COLLAR  
4. 8U-5767 [1] GUIDE  
5. 8U-5768 [1] ROD  
6. 8U-5769 [1] SPRING  
7. 5W-7026 [1] NUT  
8. 8U-5770 [1] RING  
9. 8U-5771 J [1] SEAL  
10. 8U-5772 J [1] SEAL  
11. 8U-5773 J [2] BUSHING  
12. 8U-4125 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  120-8128 J [1] KIT-SEAL  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBP28480347
 

111-2037: CYLINDER GP-STABILIZER

111-2037 CYLINDER GP-STABILIZER
S/N 8AL1020-1127; 8AL1129-1129
PART OF 111-1928, 111-2038 STABILIZER AR
AN ATTACHMENT
i00477986 SEBP2848
1112037 CYLINDER GP-STABILIZER Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-2707 [1] CYLINDER  
2. 118-2708 [1] ROD  
3. 118-2709 [1] PISTON  
4. 118-2710 [1] COLLAR  
5. 118-2712 [1] PISTON  
6. 118-2713 [1] RETAINER  
7. 137-2441 [1] CONE  
8. 118-2715 J [1] SEAL  
9. 118-2716 J [1] RING  
10. 118-2717 J [2] RING  
11. 118-2718 J [1] SEAL-O-RING  
12. 118-2719 J [1] RING-BACKUP  
13. 118-2720 J [1] SEAL-O-RING  
14. 118-2721 J [1] RING  
15. 118-2722 J [1] SEAL-O-RING  
16. 118-2723 J [1] RING-BACKUP  
17. 118-2724 J [1] RING  
18. 5W-6388 J [1] SEAL-O-RING  
19. 118-2725 J [2] SEAL-O-RING  
20. 118-2726 J [3] RING-BACKUP  
21. 118-2727 J [1] RING-BACKUP  
22. 118-2728 [1] SPRING  
23. 9S-9334 [2] PLUG  
24. 118-2730 M [1] NUT (M52X1.5-THD, LH)  
25. 118-2731 [1] PIN  
26. 8G-4189 [2] BEARING-SELF-ALIGNING  
27. 8T-0707 [4] RING-RETAINING (INTERNAL)  
28. 118-2732 [1] FITTING-GREASE  
29. 7M-8485 J [2] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  118-3110 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP28480348
 

152-1216: CYLINDER GP-STABILIZER

152-1216 CYLINDER GP-STABILIZER
S/N 8AL1128-1128; 8AL1130-UP
PART OF 111-1928, 111-2038 STABILIZER AR
AN ATTACHMENT
i00677511 SEBP2848
1521216 CYLINDER GP-STABILIZER Parts scheme
  For full view, you need register

Parts for your M318 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-2707 [1] CYLINDER  
2. 152-1217 [1] ROD  
3. 118-2709 [1] PISTON  
4. 118-2710 [1] COLLAR  
5. 118-2712 [1] PISTON  
6. 118-2713 [1] RETAINER  
7. 137-2441 [1] CONE  
8. 225-8698 J [1] SEAL  
9. 118-2716 J [1] RING  
10. 118-2717 J [2] RING  
11. 118-2718 J [1] SEAL-O-RING  
12. 118-2719 J [1] RING-BACKUP  
13. 118-2720 J [1] SEAL-O-RING  
14. 118-2721 J [1] RING  
15. 118-2722 J [1] SEAL-O-RING  
16. 118-2723 J [1] RING-BACKUP  
17. 118-2724 J [1] RING  
18. 5W-6388 J [1] SEAL-O-RING  
19. 118-2725 J [2] SEAL-O-RING  
20. 118-2726 J [3] RING-BACKUP  
21. 118-2727 J [1] RING-BACKUP  
22. 118-2728 [1] SPRING  
23. 9S-9334 [2] PLUG  
24. 118-2730 M [1] NUT (M52X1.5-THD, LH)  
25. 118-2731 [1] PIN  
26. 8G-4189 [2] BEARING-SELF-ALIGNING  
27. 8T-0707 [4] RING-RETAINING (INTERNAL)  
28. 118-2732 [1] FITTING-GREASE  
29. 7M-8485 J [2] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  118-3110 J [1] KIT-SEAL (STABILIZER CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP28480349
 

112-4236: CYLINDER GP-STICK

112-4236 CYLINDER GP-STICK
S/N 8AL1020-UP
120-MM (4.7-IN) BORE, 1435-MM (56.5-IN) STROKE
PART OF 112-4234 CYLINDER & SEAL GP-STICK
AN ATTACHMENT
i00490065 SEBP2848
1124236 CYLINDER 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. 112-6418 [1] HEAD  
2. 112-6434 [1] CYLINDER AS  
2A. 105-7366 [1] BUSHING  
3. 118-2237 [1] BALL  
4. 136-6028 [1] ROD & BEARING AS-CYLINDER  
4A. 105-7366 [1] BUSHING  
5. 112-6440 [1] SPRING  
6. 147-5835 [1] LOCKNUT-SPECIAL  
7. 118-4130 J [1] RING  
8. 087-5507 [1] STOP  
9. 367-4978 J [1] RING-BACKUP  
10. 143-8027 J [1] RING  
11. 114-0756 [1] BUSHING  
12. 123-7724 J [1] SEAL-O-RING  
13. 5W-4784 [1] PLUG  
14. 6I-6786 J [1] RING-SEAL  
15. 127-6052 [1] PISTON  
16. 7Y-5216 M [8] BOLT-SOCKET HEAD (M20X2.5X80-MM)  
17. 165-9286 J [1] SEAL-LIP TYPE  
18. 7Y-5116 J [1] RING  
19. 170-9860 J [1] SEAL-U-CUP  
20. 170-9844 J [1] SEAL-BUFFER  
21. 7Y-5119 [1] RING-RETAINING  
22. 9X-3592 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  258-0501 J [1] KIT-SEAL (STICK 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 GP-BOOM
112-4231 CYLINDER GP-BOOM
CYLINDER GP-BLADE
142-1603 CYLINDER GP-BLADE
CYLINDER GP-AXLE OSC LOCK
8U-6848 CYLINDER GP-AXLE OSC LOCK
CYLINDER & SEAL GP-STICK
112-4234 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-BUCKET
112-4244 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BOOM
112-4242 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
112-4238 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
112-4229 CYLINDER & SEAL GP-BOOM
CYLINDER GP-BOOM
112-4243 CYLINDER GP-BOOM
CYLINDER GP-BOOM
112-4243 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
112-4245 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
185-1736 CYLINDER GP-BUCKET
CYLINDER GP-COUPLER
169-0329 CYLINDER GP-COUPLER
CYLINDER GP-MASTER
120-4708 CYLINDER GP-MASTER
CYLINDER GP-STABILIZER
111-2037 CYLINDER GP-STABILIZER
CYLINDER GP-STABILIZER
152-1216 CYLINDER GP-STABILIZER

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