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120-6575 CYLINDER & SEAL GP-BOOM S/N 6TL1-409 1 PC PART OF 118-5308 BOOM AR AN ATTACHMENT M312 EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP

EXCAVATOR M312 EXCAVATOR 6TL
 M312 Excavator 6TL00001-00409 (MACHINE) POWERED BY 3054 Engine SEBP2433 M312 6TL   (1988)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER & MTG GP-AXLE LOCK
120-0306 CYLINDER & MTG GP-AXLE LOCK
CYLINDER & SEAL GP-BOOM
120-6575 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
120-6577 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
120-6578 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BUCKET
120-6579 CYLINDER & SEAL GP-BUCKET
 

#SEBP24330240
 

120-6575: CYLINDER & SEAL GP-BOOM

120-6575 CYLINDER & SEAL GP-BOOM
S/N 6TL1-409
1 PC
PART OF 118-5308 BOOM AR
AN ATTACHMENT
i00474528 SEBP2433
1206575 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1433 [2] SEAL-LIP TYPE  
2. 093-1434 [2] SEAL-LIP TYPE  
3. 118-4979 Y [1] CYLINDER GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330241
 

120-6577: CYLINDER & SEAL GP-BOOM

120-6577 CYLINDER & SEAL GP-BOOM
S/N 6TL1-409
PART OF 118-5336 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00474535 SEBP2433
1206577 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1434 [2] SEAL-LIP TYPE  
2. 093-1433 [2] SEAL-LIP TYPE  
3. 118-4980 Y [1] CYLINDER GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330242
 

120-6578: CYLINDER & SEAL GP-BOOM

120-6578 CYLINDER & SEAL GP-BOOM
S/N 6TL1-409
PART OF 118-5336 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00474539 SEBP2433
1206578 CYLINDER & SEAL GP-BOOM Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1434 [4] SEAL-LIP TYPE  
2. 120-6311 Y [1] CYLINDER GP-VARIABLE ADJ BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330243
 

120-6579: CYLINDER & SEAL GP-BUCKET

120-6579 CYLINDER & SEAL GP-BUCKET
S/N 6TL1-409
PART OF 118-5506, 118-5510 LINKAGE AR-BUCKET
AN ATTACHMENT
i00474544 SEBP2433
1206579 CYLINDER & SEAL GP-BUCKET Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5W-2817 [2] FITTING-GREASE  
2. 114-4850 [4] SEAL-LIP TYPE  
3. 120-6358 Y [1] CYLINDER GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330244
 

120-6576: CYLINDER & SEAL GP-STICK

120-6576 CYLINDER & SEAL GP-STICK
S/N 6TL1-409
PART OF 118-5308 BOOM AR, 118-5336 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT
i00474532 SEBP2433
1206576 CYLINDER & SEAL GP-STICK Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5W-2817 [1] FITTING-GREASE  
2. 093-1433 [4] SEAL-LIP TYPE  
3. 118-4978 Y [1] CYLINDER GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330245
 

8U-4461: CYLINDER GP-AXLE OSC LOCK

8U-4461 CYLINDER GP-AXLE OSC LOCK
S/N 6TL1-409
PART OF 120-0306 CYLINDER & MTG GP-AXLE LOCK
i00427434 SEBP2433
8U4461 CYLINDER GP-AXLE OSC LOCK Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5W-5276 [1] VALVE  
2. 8U-5321 [1] HOUSING-CYLINDER  
3. 8U-1966 [1] HOUSING  
4. 5W-5273 [1] PISTON  
5. 5W-5272 [1] GUIDE-TAPPET  
6. 5W-5271 [1] TAPPET  
7. 5W-5162 [1] SPRING  
8. 5W-5243 [1] PISTON  
9. 8U-5320 J [1] RING-SCRAPER  
10. 5W-4820 J [1] RING-SEAL  
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-9334 [1] PLUG-O-RING  
20. 7M-8485 J [1] SEAL-O-RING  
21. 9S-8002 [1] PLUG (7/16-20-THD)  
22. 3J-7354 [1] SEAL-O-RING  
23. 9S-8005 [1] PLUG (3/4-16-THD)  
24. 3K-0360 [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  8U-5322 J [1] KIT-SEAL REPAIR (AXLE OSC LOCK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP24330246
 

120-0409: CYLINDER GP-BLADE

120-0409 CYLINDER GP-BLADE
S/N 6TL1-263
PART OF 120-0407 BLADE AR
AN ATTACHMENT
i00522914 SEBP2433
1200409 CYLINDER GP-BLADE Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-6993 [1] CYLINDER  
2. 5W-5259 [1] ROD-CYLINDER  
3. 125-6994 [1] PISTON  
4. 125-6995 [1] COLLAR  
5. 118-3115 [1] PISTON  
6. 125-6996 [2] RETAINER  
7. 118-3117 [2] CONE  
8. 125-6998 [2] PLUG  
9. 118-3119 J [1] SEAL  
10. 118-3120 J [1] RING  
11. 118-3121 J [2] RING  
12. 125-7001 J [1] SEAL-O-RING  
13. 125-7002 J [1] RING-BACKUP  
14. 125-7005 J [1] SEAL-O-RING  
15. 125-7006 J [1] KIT-SEAL  
16. 125-7007 J [1] RING  
17. 118-3128 J [1] SEAL-O-RING  
18. 4J-5351 J [2] SEAL-O-RING  
19. 118-3130 J [2] RING-BACKUP  
20. 118-3131 J [2] SEAL-O-RING  
21. 118-3132 [2] SPRING  
22. 125-7008 [1] NUT  
23. 118-2731 [1] PIN  
24. 125-7009 [2] BEARING  
25. 8T-9599 [4] RING-RETAINING  
26. 118-2732 [2] FITTING-GREASE  
   
    AVAILABLE REPAIR KIT(S):
  125-7010 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
 

#SEBP24330247
 

142-1625: CYLINDER GP-BLADE

142-1625 CYLINDER GP-BLADE
S/N 6TL264-409
PART OF 120-0407 BLADE AR
AN ATTACHMENT
i00625232 SEBP2433
1421625 CYLINDER GP-BLADE Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-6993 [1] CYLINDER  
2. 5W-5259 [1] ROD-CYLINDER  
3. 125-6994 [1] PISTON  
4. 125-6995 [1] COLLAR  
5. 142-1621 [1] PISTON  
6. 125-6996 [1] RETAINER  
7. 118-3117 [1] CONE  
8. 125-6998 [1] PLUG  
9. 118-3119 J [1] SEAL  
10. 118-3120 J [1] RING  
11. 118-3121 J [2] RING  
12. 125-7001 J [1] SEAL-O-RING  
13. 125-7002 J [1] RING-BACKUP  
14. 125-7005 J [1] SEAL-O-RING  
15. 125-7006 J [1] KIT-SEAL  
16. 125-7007 J [1] RING  
17. 118-3128 J [1] SEAL-O-RING  
18. 4J-5351 J [2] SEAL-O-RING  
19. 118-3130 J [2] RING-BACKUP  
20. 118-3131 J [2] SEAL-O-RING  
21. 118-3132 [2] SPRING  
22. 125-7008 [1] NUT  
23. 118-2731 [1] PIN  
24. 125-7009 [2] BEARING  
25. 8T-9599 [4] RING-RETAINING  
26. 118-2732 [2] FITTING-GREASE  
27. 142-2719 [1] RETAINER  
28. 142-1623 [1] PIN  
29. 142-2946 [1] PLUG  
   
    AVAILABLE REPAIR KIT(S):
  125-7010 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
 

#SEBP24330248
 

118-4979: CYLINDER GP-BOOM

118-4979 CYLINDER GP-BOOM
S/N 6TL1-409
100MM (3.94 IN) BORE X 994MM (39.13 IN) STROKE
PART OF 120-6575 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00484092 SEBP2433
1184979 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 170-9841 J [1] SEAL-BUFFER  
2. 114-0753 [1] BUSHING  
3. 114-9323 [1] HEAD  
4. 165-9283 J [1] SEAL-LIP TYPE  
5. 118-4999 [1] CYLINDER AS  
5A. 143-3835 [1] BUSHING  
6. 124-0695 J [1] RING-BACKUP  
7. 172-1028 [1] ROD & BEARING AS-CYLINDER  
7A. 143-3836 [1] BUSHING  
8. 170-9857 J [1] SEAL-U-CUP  
9. 093-1519 J [1] RING-BACKUP  
10. 119-5456 J [1] RING  
11. 095-9806 M [8] BOLT-SOCKET HEAD (M16X2X80-MM)  
12. 099-5400 [1] RING-RETAINING  
13. 143-8025 J [1] RING  
14. 125-1552 [1] PISTON  
15. 143-8149 M [1] LOCKNUT-SPECIAL  
16. 5I-4199 [1] STOP  
17. 6I-6922 J [1] RING-SEAL  
18. 8U-1958 J [1] SEAL-O-RING  
19. 9X-7298 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  286-0113 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP24330249
 

118-4980: CYLINDER GP-BOOM

118-4980 CYLINDER GP-BOOM
S/N 6TL1-409
100-MM (3.94-IN) BORE X 994-MM (39.13-IN) STROKE
PART OF 120-6577 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00773283 SEBP2433
1184980 CYLINDER GP-BOOM Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 170-9841 J [1] SEAL-BUFFER  
2. 114-0753 [1] BUSHING  
3. 114-9323 [1] HEAD  
4. 165-9283 J [1] SEAL-LIP TYPE  
5. 118-4999 [1] CYLINDER AS  
5A. 229-1095 [1] BUSHING  
6. 124-0695 J [1] RING-BACKUP  
7. 136-6031 [1] ROD & BEARING AS-CYLINDER  
7A. 143-3836 [1] BUSHING  
8. 170-9857 J [1] SEAL-U-CUP  
9. 093-1519 J [1] RING-BACKUP  
10. 119-5456 J [1] RING  
11. 095-9806 M [8] BOLT-SOCKET HEAD (M16X2X80-MM)  
12. 099-5400 [1] RING-RETAINING  
13. 143-8025 J [1] RING  
14. 125-1552 [1] PISTON  
15. 143-8149 M [1] LOCKNUT-SPECIAL  
16. 5I-4199 [1] STOP  
17. 6I-6922 J [1] RING-SEAL  
18. 8U-1958 J [1] SEAL-O-RING  
19. 9X-7298 J [1] SEAL AS  
   
    AVAILABLE REPAIR KIT(S):
  286-0113 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

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}
2013/02/28
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 M312 :

CYLINDER & MTG GP-AXLE LOCK
120-0306 CYLINDER & MTG GP-AXLE LOCK
COUPLING GP-PUMP
123-9735 COUPLING GP-PUMP
133-1587 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
133-1581 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
133-1580 COUPLING GP-FLEXIBLE
123-9736 COUPLING GP-FLEXIBLE
CONTROL GP-IMPL STBLZR & BRAKE
111-1904 CONTROL GP-IMPL STBLZR & BRAKE
CONTROL GP-BRAKE & AXLE LOCK
8U-5873 CONTROL GP-BRAKE & AXLE LOCK
CYLINDER & SEAL GP-BOOM
120-6577 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BOOM
120-6578 CYLINDER & SEAL GP-BOOM
CYLINDER & SEAL GP-BUCKET
120-6579 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-STICK
120-6576 CYLINDER & SEAL GP-STICK
CYLINDER GP-AXLE OSC LOCK
8U-4461 CYLINDER GP-AXLE OSC LOCK
CYLINDER GP-BLADE
120-0409 CYLINDER GP-BLADE
CYLINDER GP-BLADE
142-1625 CYLINDER GP-BLADE
CYLINDER GP-BOOM
118-4979 CYLINDER GP-BOOM

Truck sale:

Caterpillar M312, Construction
24,412 
Caterpillar M312, Construction
- wheel excavator
BERGERAT MONNOYEUR SP. Z O.O.
Poland
 
$24,298 USD 
CATERPILLAR M312 1999
- WHEEL EXCAVATORS
BERGERAT MONNOYEUR POLAND
K. Kolumba 15 - Komorniki -
 
$15,899 USD 
CATERPILLAR M312 2002
- WHEEL EXCAVATORS
BERGERAT MONNOYEUR POLAND
K. Kolumba 15 - Komorniki -
1999 CAT M312
USD $24,599 
1999 CAT M312

Budrolpol
2001 CAT M312
USD $46,900 
2001 CAT M312

MB Tractor & Equipment
Tilton, New Hampshire
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