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326-4450 CYLINDER & SEAL GP-BLADE -RH S/N JBC1-UP; HCW1-UP PART OF 326-4449 CYLINDER & LINES GP-BLADE AN ATTACHMENT 312D




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP49490600
 

326-4450: CYLINDER & SEAL GP-BLADE

326-4450 CYLINDER & SEAL GP-BLADE -RH
S/N JBC1-UP; HCW1-UP
PART OF 326-4449 CYLINDER & LINES GP-BLADE
AN ATTACHMENT
i03332020 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [4] SEAL-LIP TYPE  
3. 326-4451 Y [1] CYLINDER GP-BLADE  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490601
 

385-2886: CYLINDER & SEAL GP-BLADE

385-2886 CYLINDER & SEAL GP-BLADE -LH
S/N JBC1-UP; HCW1-UP
120-MM (4.7-IN) BORE X 202-MM (8-IN) STROKE
PART OF 385-2838 CYLINDER & LINES GP-BLADE
AN ATTACHMENT
i04869609 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 393-7945 [1] CYLINDER AS  
1A. 273-6945 [1] BUSHING  
2. 393-7947 [1] ROD AS  
2A. 273-6945 [1] BUSHING  
3. 393-7875 [1] HEAD  
4. 385-2900 [1] BUSHING  
5. 385-2899 [1] RING-RETAINING  
6. 385-2905 [1] RING-SNAP  
7. 393-7879 [1] PISTON  
8. 393-7882 [1] SETSCREW-SOCKET  
9. 393-7881 [1] BALL  
10. 166-1492 [4] SEAL-LIP TYPE  
11. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
12. 416-1306 J [1] SEAL-WIPER  
13. 416-1285 J [1] SEAL-U-CUP  
14. 416-1287 J [1] SEAL-BUFFER  
15. 416-1286 J [1] RING-BACKUP  
16. 416-1288 J [1] SEAL-O-RING  
17. 416-1307 J [1] RING-BACKUP  
18. 416-1311 J [1] SEAL-O-RING  
19. 416-1309 J [1] SEAL AS-PISTON  
20. 416-1308 J [2] RING-WEAR  
21. 416-1310 J [2] RING-WEAR  
22. 422-9123 J [1] SEAL-O-RING  
23. 422-9124 J [2] RING-BACKUP  
24. 3B-8485 [1] ELBOW  
   
    AVAILABLE REPAIR KIT(S):
  393-7948 J [1] KIT-SEAL (BLADE CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP49490602
 

385-2887: CYLINDER & SEAL GP-BLADE

385-2887 CYLINDER & SEAL GP-BLADE -RH
S/N JBC1-UP; HCW1-UP
120-MM (4.7-IN) BORE X 202-MM (8-IN) STROKE
PART OF 385-2840 CYLINDER & LINES GP-BLADE
Type 1
AN ATTACHMENT
i04869690 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 393-7946 [1] CYLINDER AS  
1A. 273-6945 [1] BUSHING  
2. 393-7947 [1] ROD AS  
2A. 273-6945 [1] BUSHING  
3. 393-7875 [1] HEAD  
4. 385-2900 [1] BUSHING  
5. 385-2899 [1] RING-RETAINING  
6. 385-2905 [1] RING-SNAP  
7. 393-7879 [1] PISTON  
8. 393-7882 [1] SETSCREW-SOCKET  
9. 393-7881 [1] BALL  
10. 166-1492 [4] SEAL-LIP TYPE  
11. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  393-7948 [1] KIT-SEAL (BLADE CYLINDER)  
    (INCLUDES SEALS,RINGS & PISTONS)
 

#SEBP49490603
 

385-2887: CYLINDER & SEAL GP-BLADE

385-2887 CYLINDER & SEAL GP-BLADE -RH
S/N JBC1-UP; HCW1-UP
120-MM (4.7-IN) BORE X 202-MM (8-IN) STROKE
PART OF 385-2840 CYLINDER & LINES GP-BLADE
Type 2
AN ATTACHMENT
i05236424 SEBP4949
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 393-7946 [1] CYLINDER AS  
1A. 273-6945 [1] BUSHING  
2. 393-7947 [1] ROD AS  
2A. 273-6945 [1] BUSHING  
3. 393-7875 [1] HEAD  
4. 385-2900 [1] BUSHING  
5. 385-2899 [1] RING-RETAINING  
6. 385-2905 [1] RING-SNAP  
7. 393-7879 [1] PISTON  
8. 393-7882 [1] SETSCREW-SOCKET  
9. 393-7881 C [1] BALL  
10. 166-1492 [4] SEAL-LIP TYPE  
11. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
12. 416-1306 J [1] SEAL-WIPER  
13. 416-1285 J [1] SEAL-U-CUP  
14. 416-1287 J [1] SEAL-BUFFER  
15. 416-1286 J [1] RING-BACKUP  
16. 416-1288 J [1] SEAL-O-RING  
17. 416-1307 J [1] RING-BACKUP  
18. 416-1311 J [1] SEAL-O-RING  
19. 416-1309 J [1] SEAL AS-PISTON  
20. 416-1308 J [2] RING-WEAR  
21. 416-1310 J [2] RING-WEAR  
22. 422-9123 J [1] SEAL-O-RING  
23. 422-9124 J [2] RING-BACKUP  
24. 3B-8485 [1] ELBOW  
   
    AVAILABLE REPAIR KIT(S):
  393-7948 J [1] KIT-SEAL (BLADE CYLINDER)  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP49490604
 

289-7706: CYLINDER & SEAL GP-BOOM

289-7706 CYLINDER & SEAL GP-BOOM
S/N JBC1-UP; HCW1-UP
PART OF 289-7704, 289-7705 CYLINDER & LINES GP-BOOM
AN ATTACHMENT
i02807947 SEBP4949
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [2] SEAL-LIP TYPE  
3. 289-7707 Y [1] CYLINDER GP-BOOM  
4. 166-1494 [2] SEAL-LIP TYPE  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490605
 

289-8069: CYLINDER & SEAL GP-BOOM

289-8069 CYLINDER & SEAL GP-BOOM
S/N JBC1-UP; HCW1-UP
PART OF 289-8067, 289-8068 CYLINDER & LINES GP-BOOM
AN ATTACHMENT
i02828771 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [2] SEAL-LIP TYPE  
3. 289-8070 Y [1] CYLINDER GP-BOOM  
4. 166-1494 [2] SEAL-LIP TYPE  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490606
 

385-2828: CYLINDER & SEAL GP-BOOM

385-2828 CYLINDER & SEAL GP-BOOM
S/N JBC1-UP; HCW1-UP
110-MM (4.3-IN) BORE X 1015-MM (40-IN) STROKE
PART OF 385-2825, 385-2826 CYLINDER & LINES GP-BOOM
AN ATTACHMENT
i04915624 SEBP4949
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 390-4188 [1] CYLINDER AS-BOOM  
1A. 273-6945 [1] BUSHING  
2. 390-4189 [1] ROD AS  
2A. 290-9178 [1] BUSHING  
3. 390-4190 [1] HEAD  
4. 393-7930 [1] RING-RETAINING  
5. 393-7931 [1] BUSHING  
6. 390-4193 [1] STOP  
7. 390-4194 [1] PISTON  
8. 393-7933 [1] RING-SNAP  
9. 385-2890 [1] BALL  
10. 390-4197 M [1] SETSCREW-SOCKET (M10X1.5X14-MM)  
11. 3E-6910 M [15] BOLT-SOCKET HEAD (M12X1.75X70-MM)  
12. 166-1494 [2] SEAL-LIP TYPE  
13. 166-1492 [2] SEAL-LIP TYPE  
14. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
15. 416-1273 J [1] SEAL-WIPER  
16. 416-1274 J [1] SEAL-U-CUP  
17. 416-1276 J [1] SEAL-BUFFER  
18. 416-1275 J [1] RING-BACKUP  
19. 416-1277 J [1] SEAL-O-RING  
20. 416-1278 J [1] RING-BACKUP  
21. 416-1280 J [1] SEAL AS  
22. 416-1279 J [2] RING-WEAR  
23. 416-1282 J [2] RING-WEAR  
24. 416-1281 J [1] SEAL-RING  
   
    AVAILABLE REPAIR KIT(S):
  393-7887 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP49490607
 

289-7698: CYLINDER & SEAL GP-BUCKET

289-7698 CYLINDER & SEAL GP-BUCKET
S/N JBC1-UP; HCW1-UP
PART OF 289-7697 CYLINDER & LINES GP-BUCKET
AN ATTACHMENT
i02796336 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [2] SEAL-LIP TYPE  
3. 235-7679 [2] SEAL-LIP TYPE  
4. 289-7699 Y [1] CYLINDER GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490608
 

289-8085: CYLINDER & SEAL GP-BUCKET

289-8085 CYLINDER & SEAL GP-BUCKET
S/N JBC1-UP; HCW1-UP
PART OF 289-8084 CYLINDER & LINES GP-BUCKET
AN ATTACHMENT
i02828828 SEBP4949
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [2] SEAL-LIP TYPE  
3. 235-7679 [2] SEAL-LIP TYPE  
4. 289-8086 Y [1] CYLINDER GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490609
 

310-1790: CYLINDER & SEAL GP-BUCKET

310-1790 CYLINDER & SEAL GP-BUCKET
S/N JBC1-UP; HCW1-UP
PART OF 310-1789 CYLINDER & LINES GP-BUCKET
AN ATTACHMENT
i02910730 SEBP4949
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 166-1492 [2] SEAL-LIP TYPE  
3. 235-7679 [2] SEAL-LIP TYPE  
4. 295-2006 Y [1] CYLINDER GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 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}
New Cylinders are Used on Certain 312D, 313D, 315D, and 318D Excavators{5456, 5457, 5458}
New Cylinders are Used on Certain 312D, 313D, 315D, and 318D Excavators{5456, 5457, 5458}
Specifications
Boom Lines
312D and 313D Excavators Machine System Specifications
Boom Cylinder Lines
312D and 313D Excavators Machine System Specifications
Boom Cylinder
312D and 313D Excavators Machine System Specifications
Bucket Cylinder
312D and 313D Excavators Machine System Specifications
Stick Cylinder
312D and 313D Excavators Machine System Specifications
Bucket Cylinder
312D and 313D Excavators Machine System Specifications
Blade Lift Cylinder
312D and 313D Excavators Machine System Specifications
Boom Cylinder Lines
312D and 313D Excavators Machine System Specifications
Boom Cylinder Lines - Boom Lowering Control
312D and 313D Excavators Machine System Specifications
Stick Cylinder
312D and 313D Excavators Machine System Specifications
Boom Cylinder Lines
312D and 313D Excavators Machine System Specifications
Boom Cylinder
312D and 313D Excavators Machine System Specifications
Blade Lift Cylinder
312D and 313D Excavators Machine System Specifications
Blade Lift Cylinder
312D and 313D Excavators Machine System Specifications
Stick Cylinder
312D and 313D Excavators Machine System Specifications
Bucket Cylinder
312D and 313D Excavators Machine System Specifications
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}
Systems Operation
Cylinders (Boom, Stick and Bucket)
312D and 313D Excavators Hydraulic System
Blade Hydraulic System
312D and 313D Excavators Hydraulic System
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Testing and Adjusting
Cylinder Drift - Check - Empty Bucket
312D and 313D Excavators Hydraulic System
Cylinder Drift - Check - Loaded Bucket
312D and 313D Excavators Hydraulic System
Cylinder Speed - Check
312D and 313D Excavators Hydraulic System
Cylinder Speed - Check - Blade (If Equipped)
312D and 313D Excavators Hydraulic System
Boom Down Regeneration (PRV) - Calibrate
312D and 313D Excavators Hydraulic System
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Blade Cylinder - Remove and Install
312D and 313D Excavators Machine Systems
Stick Cylinder - Remove and Install
312D and 313D Excavators Machine Systems
Bucket Cylinder - Remove and Install
312D and 313D Excavators Machine Systems
Boom Cylinder - Remove and Install
312D and 313D Excavators Machine Systems
Service Magazine

Caterpillar Parts SIS Catalog 312D :

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