AVSPARE.COM
parts catalog

270-9475 CYLINDER GP-BOOM 95-MM (3.7-IN) BORE X 667-MM (26.3-IN) STROKE PART OF 268-9973 LINES AR-BOOM AN ATTACHMENT 304C CR




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP44620200
 

270-9475: CYLINDER GP-BOOM

270-9475 CYLINDER GP-BOOM
95-MM (3.7-IN) BORE X 667-MM (26.3-IN) STROKE
PART OF 268-9973 LINES AR-BOOM
AN ATTACHMENT
i02436409 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8726 [2] BUSHING  
2. 277-3414 [1] CYLINDER AS-BOOM  
3. 277-3415 [1] ROD AS  
4. 277-3379 [1] HEAD  
5. 277-3380 [1] RING  
6. 277-3381 J [1] SEAL  
7. 095-1713 J [1] SEAL-O-RING  
8. 277-3383 J [1] SEAL  
9. 277-3384 J [1] RING  
10. 277-3385 [1] BEARING  
11. 277-4933 J [1] RING  
12. 095-1712 J [2] SEAL-O-RING  
13. 277-3386 J [2] RING  
14. 277-3388 [1] PISTON  
15. 277-3389 J [1] RING  
16. 277-3390 J [1] RING  
17. 277-3391 [1] NUT  
18. 277-3392 J [4] SEAL  
19. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
20. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
21. 277-3393 [1] BEARING  
22. 277-3416 [1] TUBE AS  
23. 263-9891 J [1] SEAL-O-RING  
24. 277-3417 [1] U-BOLT  
25. 8T-4133 M [2] NUT (M10X1.5-THD)  
26. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  277-3395 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP44620201
 

282-8548: CYLINDER GP-BOOM

282-8548 CYLINDER GP-BOOM
95-MM (3.7-IN) BORE X 667-MM (26.3-IN) STROKE
PART OF 264-8415 BOOM AR
i02436858 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8726 [2] BUSHING  
2. 277-3377 [1] CYLINDER AS-BOOM  
3. 277-3415 [1] ROD AS  
4. 277-3379 [1] HEAD  
5. 277-3380 [1] RING  
6. 277-3381 J [1] SEAL  
7. 095-1713 J [1] SEAL-O-RING  
8. 277-3383 J [1] SEAL  
9. 277-3384 J [1] RING  
10. 277-3385 [1] BEARING  
11. 277-4933 [1] RING  
12. 095-1712 J [2] SEAL-O-RING  
13. 277-3386 J [2] RING  
14. 277-3388 [1] PISTON  
15. 277-3389 J [1] RING  
16. 277-3390 J [1] RING  
17. 277-3391 [1] NUT  
18. 277-3392 J [4] SEAL  
19. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
20. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
21. 283-2053 [1] BEARING  
22. 283-2054 [1] TUBE AS  
23. 263-9891 J [1] SEAL-O-RING  
24. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
25. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  277-3395 J [1] KIT-SEAL (BOOM CYLINDER)  
  J   KIT MARKED J AVAILABLE FOR PARTS MARKED J
  M   METRIC PART
 

#SEBP44620202
 

266-6969: CYLINDER GP-BUCKET

266-6969 CYLINDER GP-BUCKET
75-MM (3-IN) BORE X 646-MM (25.4-IN) STROKE
PART OF 266-3933, 270-6586 LINKAGE AR-BUCKET
AN ATTACHMENT
i02436532 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8721 [2] BUSHING  
2. 277-4189 [1] CYLINDER AS  
3. 277-4159 [1] ROD AS  
4. 277-4160 [1] HEAD  
5. 250-8701 [1] RING-RETAINING  
6. 250-8702 J [1] SEAL-WIPER  
7. 095-1709 J [1] SEAL-O-RING  
8. 277-4161 J [1] SEAL  
9. 277-4162 J [1] RING  
10. 277-4163 [1] BEARING  
11. 250-8718 J [1] RING-BACKUP  
12. 095-1708 J [1] SEAL-O-RING  
13. 277-4164 [1] PISTON  
14. 250-8729 J [1] SEAL AS  
15. 250-8733 J [1] RING-WEAR  
16. 277-4165 [1] NUT  
17. 277-4134 J [4] SEAL  
18. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
19. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
20. 301-6906 [1] TUBE AS  
21. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
22. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
23. 263-9891 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  277-4167 J [1] KIT-SEAL (BUCKET CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP44620203
 

282-8550: CYLINDER GP-STICK

282-8550 CYLINDER GP-STICK
85-MM (3.3-IN) BORE X 623-MM (24.5-IN) STROKE
PART OF 266-9545 STICK AR
i02436402 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8721 [2] BUSHING  
2. 283-2105 [1] CYLINDER AS-STICK  
3. 277-4188 [1] ROD AS  
4. 277-4127 [1] HEAD  
5. 277-4128 [1] RING  
6. 277-4129 J [1] SEAL  
7. 277-4130 J [1] SEAL  
8. 095-1711 J [1] SEAL-O-RING  
9. 277-4131 J [1] RING  
10. 277-4132 [1] BEARING  
11. 263-9883 J [1] RING-BACKUP  
12. 095-1710 J [1] SEAL-O-RING  
13. 277-4133 [1] PISTON  
14. 263-9886 J [1] SEAL AS  
15. 263-9887 J [1] RING-WEAR  
16. 277-3391 [1] NUT  
17. 277-4134 J [4] SEAL  
18. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
19. 277-4135 [1] PLUG  
20. 095-1575 J [1] SEAL-O-RING  
21. 277-4138 [25] BALL  
22. 283-2106 [1] BEARING  
   
    AVAILABLE REPAIR KIT(S):
  277-4140 J [1] KIT-SEAL (STICK CYLINDER)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP44620204
 

266-6975: CYLINDER GP-SWING BOOM

266-6975 CYLINDER GP-SWING BOOM
90-MM (3.54-IN) BORE X 591-MM (23.27-IN) STROKE
PART OF 264-8415 BOOM AR
i02406511 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8725 [2] BUSHING  
2. 272-5688 [1] CYLINDER AS  
3. 272-5689 [1] ROD AS  
4. 272-5659 [1] HEAD  
5. 193-1365 [1] PISTON  
6. 294-1867 [1] NUT (M36X4-THD)  
7. 193-1367 J [2] RING  
8. 193-1368 J [1] SEAL  
9. 272-5640 [1] RING  
10. 272-5664 [1] BEARING  
11. 272-5642 J [1] SEAL  
12. 272-5643 J [1] RING  
13. 272-5644 J [1] SEAL  
14. 095-1623 J [1] SEAL-O-RING  
15. 093-1513 J [1] RING-BACKUP  
16. 6V-7610 J [1] SEAL-O-RING  
17. 272-5645 [4] SEAL  
18. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
19. 3B-8486 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  430-8918 J [1] KIT-HYD CYLINDER SEAL  
    (INCLUDES RINGS & SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP44620205
 

246-0192: CYLINDER GP-TILT

246-0192 CYLINDER GP-TILT -BUCKET
76-MM (3-IN) BORE X 120-MM (4.72-IN) STROKE
PART OF 274-9022 BUCKET AR-TILTABLE
AN ATTACHMENT
i02489346 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-7339 [1] SEAL-O-RING  
2. 6E-0122 [1] HEAD  
3. 6J-1972 J [1] SEAL AS  
4. 6J-5733 J [1] RING-WEAR  
5. 9T-2212 [1] PISTON  
6. 167-2186 J [1] SEAL AS-BUFFER  
7. 167-2294 J [1] SEAL-U-CUP  
8. 226-8202 J [1] SEAL-WIPER  
9. 249-4175 [1] ROD AS  
  9T-4007 [2] BEARING  
10. 4T-6780 J [1] RING-WEAR  
11. 5P-8250 [1] WASHER (28X49X5-MM THK)  
12. 6F-7037 [1] BOLT (1-14X3.25-IN)  
13. 8J-2574 J [1] RING-BACKUP  
   
    AVAILABLE REPAIR KIT(S):
  235-0354 J KIT-SEAL (HYDRAULIC CYLINDER)(BUCKET CYLINDER)  
    (ALSO INCLUDES BACKUP RING & O-RING SEAL)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP44620206
 

280-8530: DRAIN GP-ECOLOGY

280-8530 DRAIN GP-ECOLOGY -ENGINE, HYDRAULIC TANK
AN ATTACHMENT
i02414392 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  276-0119 Y [1] DRAIN GP-ENGINE OIL (ECOLOGY)  
  274-6503 Y [1] DRAIN GP-OIL (ECOLOGY, HYDRAULIC TANK)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP44620207
 

274-6502: DRAIN GP-OIL

274-6502 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 280-8529 DRAIN GP-OIL
Type 1
AN ATTACHMENT
i02413778 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-6548 [1] CLAMP  
2. 285-6937 [1] BRACKET AS  
3. 285-6936 I [1] HOSE AS  
4. 148-8390 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
5. 165-4935 [1] PLUG AS  
  6V-9510 [1] PLUG  
  7J-9108 [1] SEAL-O-RING  
6. 6V-4298 M [2] BOLT (M5X0.8X16-MM)  
7. 8T-0328 [2] WASHER-HARD (5.5X10X1-MM THK)  
8. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
10. 7K-1181 [1] STRAP-CABLE  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP44620208
 

274-6502: DRAIN GP-OIL

274-6502 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 280-8529 DRAIN GP-OIL
Type 2
AN ATTACHMENT
i02715649 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-6548 [1] CLAMP  
2. 285-6937 [1] BRACKET AS  
3. 285-6936 I [1] HOSE AS  
4. 148-8390 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
5. 165-4935 [1] PLUG AS  
  6V-9510 [1] PLUG  
  7J-9108 [1] SEAL-O-RING  
6. 7I-2273 M [2] BOLT (M5X0.8X16-MM)  
7. 7X-0620 C [2] WASHER-HARD (5.5X13X1.6-MM THK)  
8. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
10. 7K-1181 [1] STRAP-CABLE  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP44620209
 

274-6502: DRAIN GP-OIL

274-6502 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 280-8529 DRAIN GP-OIL
Type 3
AN ATTACHMENT
i04332331 SEBP4462
  For full view, you need register

Parts for your 304C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4H-2558 C [1] GROMMET  
2. 353-2631 C [1] BRACKET AS  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
3. 285-6936 I [1] HOSE AS  
4. 148-8390 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
5. 165-4935 [1] PLUG AS  
  6V-9510 [1] PLUG  
  7J-9108 [1] SEAL-O-RING  
6. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
7. 7K-1181 [1] STRAP-CABLE  
8. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Swing Frame and Cylinder Bearings - Lubricate
303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators
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}
Specifications
Boom Cylinder - Swing
304C CR and 305C CR Mini Hydraulic Excavators Machine System Specifications
Stick Cylinder
304C CR and 305C CR Mini Hydraulic Excavators Machine System Specifications
Bucket Cylinder
304C CR and 305C CR Mini Hydraulic Excavators Machine System Specifications
Blade Lift Cylinder
304C CR and 305C CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
304C CR and 305C CR Mini Hydraulic 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)
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Blade Hydraulic System
304C CR and 305C CR Mini Hydraulic 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}
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
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Cylinder Speed - Check
304C CR and 305C CR Mini Hydraulic 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
Boom Cylinder - Remove and Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Blade Cylinder - Remove and Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Bucket Cylinder - Remove and Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Stick Cylinder - Remove and Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Swing Boom Cylinder - Remove and Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Service Magazine

Caterpillar Parts SIS Catalog 304C CR :

Truck sale:

 
Caterpillar 304C CR
- Crawler Excavators
ZIEGLER CAT
 
Caterpillar 304CCR

WAGNER EQUIPMENT CO
 
Caterpillar 304C CR

ALTORFER INC.
Back to top
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.