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266-6979 CYLINDER GP-BLADE -RAISE, LOWER PART OF 460-7517 BLADE AR-STRAIGHT AN ATTACHMENT 304E2 CR MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
CYLINDER GP
DRIVE GP
LINES GP-BUCKET
TANK GP
HYDRAULIC GP

MINI HYD EXCAVATOR 304E2 CR MINI HYD EXCAVATOR GC5
 304E2 CR Mini Hydraulic Excavator GC500001-UP (MACHINE) POWERED BY C2.4 Engine SEBP7612 304E2 CR GC5   (2015)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BLADE
266-6979 CYLINDER GP-BLADE
CYLINDER GP-BOOM
284-3369 CYLINDER GP-BOOM
CYLINDER GP-BOOM
502-3494 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
277-9900 CYLINDER GP-BUCKET
CYLINDER GP-STICK
284-0883 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
376-0171 CYLINDER GP-SWING BOOM
GUARD GP-CYLINDER
469-1101 GUARD GP-CYLINDER
 

#SEBP76120150
 

266-6979: CYLINDER GP-BLADE

266-6979 CYLINDER GP-BLADE -RAISE, LOWER
PART OF 460-7517 BLADE AR-STRAIGHT
AN ATTACHMENT
i04015134 SEBP7612
2666979 CYLINDER GP-BLADE Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8716 [2] BUSHING  
2. 278-9474 [1] CYLINDER AS  
3. 278-9475 [1] ROD AS  
4. 294-7869 [1] HEAD  
5. 237-8377 [1] BUSHING  
6. 146-3916 [1] RING  
7. 146-1086 [1] RING  
8. 095-1709 [1] SEAL-O-RING  
9. 237-6124 [1] RING  
10. 095-1710 [1] SEAL-O-RING  
11. 237-6135 [1] PISTON  
12. 146-3923 [1] SEAL AS  
13. 237-6136 [2] RING  
14. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 [1] BALL  
16. 192-0638 [1] SEAL  
17. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
18. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
   
  294-7868 F [1] HEAD AS  
  237-7086 F [1] PISTON AS  
   
    AVAILABLE REPAIR KIT(S):
  278-8641 [1] KIT-SEAL (BLADE CYLINDER)  
  F   NOT SHOWN
  M   METRIC PART
 

#SEBP76120151
 

284-3369: CYLINDER GP-BOOM

284-3369 CYLINDER GP-BOOM
PART OF 471-2655 BOOM AR
i04019719 SEBP7612
2843369 CYLINDER GP-BOOM Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8717 [2] BUSHING  
2. 301-6893 C [1] CYLINDER AS-HYDRAULIC  
3. 281-2317 [1] ROD AS  
4. 309-5902 [1] HEAD  
5. 311-1031 [1] BUSHING  
6. 146-3957 J [1] RING  
7. 146-3958 J [1] RING  
8. 095-1710 J [2] SEAL-O-RING  
9. 237-8378 J [1] RING  
10. 095-1711 J [1] SEAL-O-RING  
11. 281-2306 [1] HOLDER  
12. 281-2324 [1] SPACER  
13. 281-2320 [1] SEAL  
14. 281-2297 [1] COLLAR  
15. 281-2314 J [1] RING  
16. 278-1985 [1] PISTON  
17. 146-3968 J [1] SEAL AS  
18. 278-1986 J [2] RING  
19. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
20. 146-3969 [1] BALL  
21. 281-2296 [1] BEARING  
22. 301-6894 C [1] TUBE AS  
23. 304-3525 C [1] PLUG  
24. 304-3526 C [2] SEAL  
25. 304-3527 C [1] BOLT  
26. 199-1148 C [1] HOLDER  
27. 192-0638 [4] SEAL  
28. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
29. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
   
  309-5903 F [1] HEAD AS-END  
  281-2307 F [1] HOLDER AS  
  278-1988 F [1] PISTON AS  
  304-3524 CF [1] PLUG AS  
   
    AVAILABLE REPAIR KIT(S):
  281-2321 J [1] KIT-SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  F   NOT SHOWN
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP76120152
 

502-3494: CYLINDER GP-BOOM

502-3494 CYLINDER GP-BOOM
BOOM
PART OF 471-2655 BOOM AR
i06864970 SEBP7612
5023494 CYLINDER GP-BOOM Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
2. 508-1308 [1] CYLINDER AS  
2A. 265-8717 [1] BUSHING  
3. 281-2317 [1] ROD AS  
3A. 265-8717 [1] BUSHING  
4. 309-5902 [1] HEAD  
5. 311-1031 [1] BUSHING  
6. 146-3957 P [1] RING  
7. 146-3958 P [1] RING  
8. 095-1710 [2] SEAL-O-RING  
9. 237-8378 P [1] RING  
10. 095-1711 P [1] SEAL-O-RING  
11. 281-2306 [1] HOLDER  
12. 281-2324 [1] SPACER  
13. 281-2320 [1] SEAL  
14. 281-2297 [1] COLLAR  
15. 281-2314 P [1] RING  
16. 278-1985 [1] PISTON  
17. 146-3968 P [1] SEAL AS  
18. 278-1986 P [2] RING  
19. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
20. 146-3969 [1] BALL  
21. 281-2296 [1] BEARING  
22. 502-3499 [1] TUBE AS  
23. 304-3525 [1] PLUG  
24. 304-3526 [2] SEAL  
25. 304-3527 [1] BOLT  
26. 199-1148 [1] HOLDER  
27. 502-3488 [4] SEAL  
28. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  281-2321 P [1] KIT-SEAL  
    (INCLUDES RINGS, SEALS, SEAL AS & O-RING)
  M   METRIC PART
  P   KIT MARKED P SERVICES PART(S) MARKED P
 

#SEBP76120153
 

277-9900: CYLINDER GP-BUCKET

277-9900 CYLINDER GP-BUCKET
75-MM (2.95-IN) BORE X 497-MM (19.57-IN) STROKE
PART OF 383-5966 LINKAGE AR-BUCKET
i04020356 SEBP7612
2779900 CYLINDER GP-BUCKET Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8716 [2] BUSHING  
2. 301-6901 [1] CYLINDER AS  
3. 281-2319 [1] ROD AS  
4. 304-3537 [1] HEAD  
5. 237-8377 [1] BUSHING  
6. 146-3916 [1] RING  
7. 146-1086 [1] RING  
8. 095-1708 [1] SEAL-O-RING  
9. 281-2316 [1] RING  
10. 095-1709 [1] SEAL-O-RING  
11. 281-2312 [1] PISTON  
12. 192-0684 [1] SEAL AS  
13. 281-2315 [2] RING  
14. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 [1] BALL  
16. 301-6903 [1] PIPE AS  
17. 304-3525 [1] PLUG  
18. 304-3526 [2] SEAL  
19. 304-3527 [1] BOLT  
20. 199-1148 [1] HOLDER  
21. 192-0638 [4] SEAL  
22. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
23. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
   
  304-3538 F [1] HEAD AS  
  281-2313 F [1] PISTON AS  
  304-3524 F [1] PLUG AS  
   
    AVAILABLE REPAIR KIT(S):
  281-2322 [1] KIT-SEAL (BUCKET CYLINDER)  
  F   NOT SHOWN
  M   METRIC PART
 

#SEBP76120154
 

284-0883: CYLINDER GP-STICK

284-0883 CYLINDER GP-STICK
80-MM (3.15-IN) BORE X 597-MM (23.5-IN) STROKE
PART OF 379-4679 STICK AR
i04019579 SEBP7612
2840883 CYLINDER GP-STICK Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8717 [2] BUSHING  
2. 284-0884 [1] CYLINDER AS-STICK  
3. 281-2318 [1] ROD AS  
4. 237-6120 [1] HEAD  
5. 237-6121 [1] BUSHING  
6. 146-3957 J [1] RING  
7. 146-3958 J [1] RING  
8. 095-1709 J [1] SEAL-O-RING  
9. 237-6124 J [1] RING  
10. 095-1710 J [1] SEAL-O-RING  
11. 237-6135 [1] PISTON  
12. 146-3923 J [1] SEAL AS  
13. 237-6136 J [2] RING  
14. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 [1] BALL  
16. 278-9127 [1] BEARING  
17. 278-9128 [1] SEAL  
18. 278-9129 [2] STOP  
19. 278-9130 [1] RING  
20. 192-0638 [4] SEAL  
21. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
   
  278-9126 F [1] CUSHION AS  
  237-6134 F [1] PISTON AS  
  237-6119 F [1] HEAD AS  
   
    AVAILABLE REPAIR KIT(S):
  281-2323 J [1] KIT-SEAL  
  F   NOT SHOWN
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP76120155
 

376-0171: CYLINDER GP-SWING BOOM

376-0171 CYLINDER GP-SWING BOOM
85-MM (3.3-IN) BORE X 483-MM (19-IN) STROKE
PART OF 471-2655 BOOM AR
i04629818 SEBP7612
3760171 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 382-1147 [1] CYLINDER AS-SWING BOOM  
2A. 265-8717 [1] BUSHING  
3. 278-1983 [1] ROD AS  
3A. 265-8717 [1] BUSHING  
4. 309-5902 J [1] HEAD  
5. 311-1031 J [1] BUSHING  
6. 146-3957 JL [1] RING  
7. 146-3958 JL [1] RING  
8. 095-1710 JL [1] SEAL-O-RING  
9. 237-8378 JL [1] RING  
10. 095-1711 JL [1] SEAL-O-RING  
11. 278-1985 H [1] PISTON  
12. 146-3968 HL [1] SEAL AS  
13. 278-1986 HL [2] RING  
14. 216-7643 HM [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 H [1] BALL  
16. 192-0638 [4] SEAL  
   
  309-5903 FJ [1] HEAD AS-END  
  170-8794 F [1] RING  
  278-1990 F [1] SEAL  
  278-1988 FH [1] PISTON AS  
   
    AVAILABLE REPAIR KIT(S):
  279-0639 L [1] KIT-SEAL (SWING BOOM CYLINDER)  
  F   NOT SHOWN
  H   ITEMS MARKED H AVAILABLE IN PISTON AS
  J   ITEMS MARKED J AVAILABLE IN HEAD AS
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
 

#SEBP76120156
 

266-6396: DRIVE GP-SWING

266-6396 DRIVE GP-SWING
PART OF 265-8752 MOTOR & MTG GP-SWING
i04019569 SEBP7612
2666396 DRIVE GP-SWING Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-2355 Y [1] PLANETARY GP-SWING DRIVE  
2. 281-3052 Y [1] MOTOR GP-SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76120157
 

272-1326: FASTENER GP-LINES

272-1326 FASTENER GP-LINES -STICK
PART OF 379-4679 STICK AR
i04019577 SEBP7612
2721326 FASTENER GP-LINES Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 278-0819 [4] CLAMP  
2. 7X-2537 M [4] BOLT (M8X1.25X35-MM)  
3. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
 

#SEBP76120158
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 367-1050 TANK & FILTER GP-HYDRAULIC
i04156660 SEBP7612
3476081 GAUGE GP-SIGHT Parts scheme
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 347-6082 [2] BLOCK  
2. 236-3259 M [2] BOLT-SPECIAL  
3. 236-3257 [1] PIPE  
4. 6F-6672 [4] SEAL-O-RING  
5. 6F-4855 [4] SEAL-O-RING  
  M   METRIC PART
 

#SEBP76120159
 

467-5520: HYDRAULIC AR

467-5520 HYDRAULIC AR
PART OF 460-7514 COMMON AR
i06131370 SEBP7612
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Parts for your 304E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  393-1270 Y [1] LINES GP-FRONT (BUCKET, STICK CYLINDER)  
  467-8310 Y [1] LINES GP-FRONT (BOOM CYLINDER)(BOOM CYLINDER)  
  467-5532 Y [1] LINES GP-HYDRAULIC PUMP  
  467-5533 Y [1] LINES GP-PILOT  
  Y [1] LINES GP-SWING CYLINDER (BOOM)  
  467-3060 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  Y [1] TANK & MTG GP-HYDRAULIC  
  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}
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}
Specifications
Bucket Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Stick Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Blade Lift Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Swing Boom Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Cylinders (Boom, Stick and Bucket)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Blade Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
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}
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
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Cylinder Speed - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine 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}
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

Caterpillar Parts SIS Catalog 304E2 CR :

467-5522 CONTROL AR-AUXILIARY
467-5521 CONTROL AR-AUXILIARY
469-1074 UNDERCARRIAGE AR
TRACK GP
398-7942 TRACK GP
TRACK GP
398-1440 TRACK GP
TRACK GP
396-6223 TRACK GP
382-4922 TRACK GP
379-4717 TRACK GP
CYLINDER GP-BOOM
284-3369 CYLINDER GP-BOOM
CYLINDER GP-BOOM
502-3494 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
277-9900 CYLINDER GP-BUCKET
CYLINDER GP-STICK
284-0883 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
376-0171 CYLINDER GP-SWING BOOM
DRIVE GP-SWING
266-6396 DRIVE GP-SWING
FASTENER GP-LINES
272-1326 FASTENER GP-LINES
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
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