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120-6358 CYLINDER GP-BUCKET S/N 6TL1-409 90-MM (3.5-IN) BORE X 990-MM (39-IN) STROKE PART OF 120-6579 CYLINDER & SEAL GP-BUCKET AN ATTACHMENT M312


HYDRAULIC SYSTEM
CYLINDER GP
DRIVE GP
FILTER GP

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

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BOOM
118-4979 CYLINDER GP-BOOM
CYLINDER GP-BOOM
118-4980 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
120-6358 CYLINDER GP-BUCKET
CYLINDER GP-MASTER
120-4708 CYLINDER GP-MASTER
CYLINDER GP-STABILIZER
120-0434 CYLINDER GP-STABILIZER
CYLINDER GP-STICK
118-4978 CYLINDER GP-STICK
 

#SEBP24330250
 

120-6358: CYLINDER GP-BUCKET

120-6358 CYLINDER GP-BUCKET
S/N 6TL1-409
90-MM (3.5-IN) BORE X 990-MM (39-IN) STROKE
PART OF 120-6579 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT
i00474422 SEBP2433
1206358 CYLINDER 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. 165-9282 J [1] SEAL-LIP TYPE  
2. 121-1993 [1] CYLINDER AS  
2A. 117-9436 [1] BUSHING  
3. 121-1994 [1] HEAD  
4. 121-1996 [1] STOP  
5. 124-0695 J [1] RING-BACKUP  
6. 137-5713 [1] ROD & BEARING AS-CYLINDER  
6A. 117-9436 [1] BUSHING  
7. 137-5755 [1] PISTON  
8. 170-9856 J [1] SEAL-U-CUP  
9. 170-9840 J [1] SEAL-BUFFER  
10. 096-1055 J [1] RING  
11. 099-0700 [1] RING-RETAINING  
12. 099-6973 J [1] SEAL AS  
13. 099-6976 J [1] RING  
14. 105-2630 J [1] RING  
15. 3E-6910 M [10] BOLT-SOCKET HEAD (M12X1.75X70-MM)  
16. 114-0754 [1] BUSHING  
17. 121-1997 J [1] RING-SEAL  
18. 143-8149 M [1] LOCKNUT-SPECIAL (M48X2-6H THD)  
19. 8U-1958 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  286-0114 J [1] KIT-SEAL (BUCKET CYLINDER)  
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
 

#SEBP24330251
 

120-4708: CYLINDER GP-MASTER

120-4708 CYLINDER GP-MASTER
S/N 6TL1-409
PART OF 111-1901 CONTROL GP-BRAKE
i00473350 SEBP2433
1204708 CYLINDER GP-MASTER Parts scheme
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Parts for your M312 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
 

#SEBP24330252
 

120-0434: CYLINDER GP-STABILIZER

120-0434 CYLINDER GP-STABILIZER
S/N 6TL1-409
PART OF 123-9451, 123-9453 STABILIZER AR
AN ATTACHMENT
i00522919 SEBP2433
1200434 CYLINDER GP-STABILIZER Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-9692 [1] CYLINDER  
2. 118-2708 [1] ROD  
3. 125-9693 [1] PISTON  
4. 125-9694 [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. 112-6920 J [1] SEAL-O-RING  
12. 125-9695 J [1] RING-BACKUP  
13. 125-9701 J [1] SEAL-O-RING  
14. 125-9696 J [1] RING  
15. 125-9697 J [1] SEAL-O-RING  
16. 125-9698 J [1] RING-BACKUP  
17. 125-9699 J [1] RING  
18. 5W-6388 J [1] SEAL-O-RING  
19. 118-2727 J [1] RING-BACKUP  
20. 118-2725 J [2] SEAL-O-RING  
21. 118-2726 J [3] RING-BACKUP  
22. 118-2728 [1] SPRING  
23. 9S-9334 [2] PLUG-O-RING  
24. 7M-8485 J [2] SEAL-O-RING  
25. 118-2730 [1] NUT (M52X1.5-THD, LH)  
26. 118-2731 [1] PIN  
27. 8G-4189 [2] BEARING-SELF-ALIGNING  
28. 8T-0707 [4] RING-RETAINING (INTERNAL)  
29. 118-2732 [1] FITTING-GREASE  
   
    AVAILABLE REPAIR KIT(S):
  125-9700 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
 

#SEBP24330253
 

118-4978: CYLINDER GP-STICK

118-4978 CYLINDER GP-STICK
S/N 6TL1-409
100MM (3.94 IN) BORE X 1203MM (47.36IN) STROKE
PART OF 120-6576 CYLINDER & SEAL GP-STICK
AN ATTACHMENT
i00484086 SEBP2433
1184978 CYLINDER 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. 190-9752 [1] PLUG AS  
  202-5371 [1] SEAL  
2. 170-9841 J [1] SEAL-BUFFER  
3. 114-0753 [1] BUSHING  
4. 374-5153 [1] HEAD  
5. 165-9283 J [1] SEAL-LIP TYPE  
6. 118-4997 [1] CYLINDER AS  
6A. 105-6343 [1] BUSHING  
7. 124-0695 J [1] RING-BACKUP  
8. 136-6032 [1] ROD & BEARING AS-CYLINDER  
8A. 117-9435 [1] BUSHING  
9. 160-0036 [1] SPRING  
10. 170-9857 J [1] SEAL-U-CUP  
11. 093-1519 J [1] RING-BACKUP  
12. 119-5456 J [1] RING  
13. 095-9806 M [8] BOLT-SOCKET HEAD (M16X2X80-MM)  
14. 099-5400 [1] RING-RETAINING  
15. 143-8025 J [1] RING  
16. 118-2237 [1] BALL  
17. 125-1552 [1] PISTON  
18. 143-8149 M [1] LOCKNUT-SPECIAL  
19. 5I-4199 [1] STOP  
20. 6I-6922 J [1] RING-SEAL  
21. 8U-1958 J [1] SEAL-O-RING  
22. 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
 

#SEBP24330254
 

5W-2482: CYLINDER GP-TILT

5W-2482 CYLINDER GP-TILT
S/N 6TL1-409
PART OF 128-6184 LINKAGE AR-BUCKET
AN ATTACHMENT
i00406521 SEBP2433
5W2482 CYLINDER GP-TILT Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-4008 [1] CYLINDER  
2. 5W-2488 [1] ROD-PISTON  
3. 5W-2489 [1] GUIDE  
4. 8U-4010 J [1] RING-PISTON  
5. 5W-3046 J [1] SEAL-WIPER  
6. 5W-1772 J [1] SEAL-O-RING  
7. 8U-4009 J [1] SEAL  
8. 5W-2812 [2] BEARING  
9. 9X-2858 [4] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  5W-1823 J [1] KIT-SEAL  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
 

#SEBP24330255
 

120-6311: CYLINDER GP-VARIABLE ADJ BOOM

120-6311 CYLINDER GP-VARIABLE ADJ BOOM
S/N 6TL1-409
PART OF 120-6578 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT
i00474389 SEBP2433
1206311 CYLINDER GP-VARIABLE ADJ BOOM Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1267 M [1] SETSCREW-SOCKET (M10X1.5-THD)  
2. 116-3389 J [1] SEAL-LIP TYPE  
3. 120-6300 [1] CYLINDER AS  
4. 120-6301 [1] HEAD  
5. 120-6302 [1] PISTON  
6. 120-6310 [1] ROD & BEARING AS-CYLINDER  
7. 128-7656 [1] BUSHING  
8. 093-1519 J [1] RING-BACKUP  
9. 114-0753 [1] BUSHING  
10. 093-1483 J [1] SEAL-BUFFER  
11. 095-1631 J [1] SEAL-O-RING  
12. 099-5400 [1] RING-RETAINING  
13. 114-8837 J [1] SEAL-O-RING  
14. 9X-2404 M [8] BOLT-SOCKET HEAD (M20X2.5X90-MM)  
15. 7Y-4632 J [1] RING  
16. 7Y-4633 J [1] RING-BACKUP  
17. 7Y-4636 J [1] RING  
18. 9X-3595 J [1] SEAL AS  
19. 093-1477 J [1] SEAL-U-CUP  
   
    AVAILABLE REPAIR KIT(S):
  124-7006 [1] KIT-SEAL (INCLUDES PARTS MARKED J)  
  J  
  M   METRIC PART
 

#SEBP24330256
 

117-7985: DRIVE GP-SWING

117-7985 DRIVE GP-SWING
S/N 6TL1-409
PART OF 117-7954 CHASSIS AR
i00476322 SEBP2433
1177985 DRIVE GP-SWING Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 120-4714 Y [1] DRIVE GP-SWING  
2. 8T-7338 M [12] BOLT (M16X2X45-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330257
 

120-4712: DRIVE GP-SWING

120-4712 DRIVE GP-SWING
S/N 6TL1-409
PART OF 120-4714 DRIVE GP-SWING
i00473357 SEBP2433
1204712 DRIVE GP-SWING Parts scheme
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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 125-4181 Y [1] HOUSING GP-SWING  
2. 125-4182 [1] GEAR-PLANETARY (20-TEETH)  
3. 125-4183 [4] GEAR GP  
4. 095-0921 [4] RING-RETAINING  
5. 125-4184 [1] WASHER  
6. 8T-4241 [1] RING-RETAINING (EXTERNAL)  
7. 168-7087 J [1] SHAFT (16 TEETH)  
8. 125-4186 J [1] GEAR (16-TEETH)  
9. 125-4187 J [1] RING-RETAINING  
10. 125-4188 J [3] GEAR GP (27 TEETH)  
11. 095-0919 J [3] RING-RETAINING  
12. 125-4189 [3] SEAL-O-RING  
13. 168-7088 [1] GEAR (68 TEETH)  
14. 5A-3604 M [2] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
15. 125-4191 [1] NOZZLE  
16. 8T-9522 [1] SEAL-O-RING  
17. 8U-5927 [1] SEAL-O-RING (205MM ID)  
18. 125-4196 [1] RING  
19. 125-4198 [1] RING-RETAINING  
20. 168-7085 J [1] SHAFT  
21. 125-4200 [1] SHAFT  
22. 125-4202 [3] DISC  
23. 125-4204 [2] DISC  
24. 125-4206 [1] PISTON  
25. 125-4208 [16] SPRING  
26. 125-4210 [1] FLANGE  
27. 125-4212 [1] NOZZLE  
28. 6V-8337 M [6] BOLT-SOCKET HEAD (M8X1.25X35-MM)  
29. 6D-7146 [1] SEAL-O-RING  
30. 125-4216 [2] WASHER (12.5X25X4-MM THK)  
31. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
32. 125-4219 [1] CORE  
33. 116-6106 [1] NUT  
34. 8U-3020 [1] FITTING  
35. 8U-2088 [2] ADAPTER GP  
36. 8U-2195 [2] CORE  
37. 116-3933 [2] NUT  
   
    AVAILABLE REPAIR KIT(S):
  168-7084 J [1] KIT-REPAIR  
  J   KIT(S) MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330258
 

120-4714: DRIVE GP-SWING

120-4714 DRIVE GP-SWING
S/N 6TL1-409
PART OF 117-7985 DRIVE GP-SWING
i00473365 SEBP2433
1204714 DRIVE GP-SWING Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 120-4712 Y [1] DRIVE GP-SWING  
2. 120-4713 Y [1] MOTOR GP-SWING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP24330259
 

109-7286: FILTER GP-OIL

109-7286 FILTER GP-OIL
S/N 6TL1-409
PART OF 117-8012 TANK GP-HYDRAULIC
i00492619 SEBP2433
1097286 FILTER GP-OIL Parts scheme
  For full view, you need register

Parts for your M312 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8U-5053 [1] COVER  
2. 117-1201 [1] BASE AS-FILTER  
3. 8U-5056 M [4] STUD  
4. 109-7287 [1] FILTER ELEMENT-OIL (STANDARD EFFICIENCY)  
5. 117-1204 [1] TUBE  
6. 117-1205 [1] VALVE  
7. 8U-5059 [1] SEAL-O-RING  
8. 5W-1787 [1] SEAL-O-RING  
9. 7J-8956 [1] SEAL-O-RING  
10. 8U-1862 [4] LOCKWASHER  
11. 8T-4133 M [4] NUT (M10X1.5-THD)  
  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 GP-BOOM
118-4980 CYLINDER GP-BOOM
CYLINDER GP-BOOM
118-4979 CYLINDER GP-BOOM
CYLINDER GP-BLADE
142-1625 CYLINDER GP-BLADE
CYLINDER GP-BLADE
120-0409 CYLINDER GP-BLADE
CYLINDER GP-AXLE OSC LOCK
8U-4461 CYLINDER GP-AXLE OSC LOCK
CYLINDER & SEAL GP-STICK
120-6576 CYLINDER & SEAL GP-STICK
CYLINDER & SEAL GP-BUCKET
120-6579 CYLINDER & SEAL GP-BUCKET
CYLINDER & SEAL GP-BOOM
120-6578 CYLINDER & SEAL GP-BOOM
CYLINDER GP-MASTER
120-4708 CYLINDER GP-MASTER
CYLINDER GP-STABILIZER
120-0434 CYLINDER GP-STABILIZER
CYLINDER GP-STICK
118-4978 CYLINDER GP-STICK
CYLINDER GP-TILT
5W-2482 CYLINDER GP-TILT
CYLINDER GP-VARIABLE ADJ BOOM
120-6311 CYLINDER GP-VARIABLE ADJ BOOM
DRIVE GP-SWING
117-7985 DRIVE GP-SWING
DRIVE GP-SWING
120-4712 DRIVE GP-SWING
DRIVE GP-SWING
120-4714 DRIVE GP-SWING

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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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.