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478-7046 CYLINDER GP-BOOM S/N ME41255-UP 85-MM (3.4-IN) BORE X 582-MM (22.9-IN) STROKE PART OF 397-7083 LINES AR-BOOM AN ATTACHMENT 304E2


HYDRAULIC SYSTEM
CYLINDER GP
TANK GP

MINI HYD EXCAVATOR 304E2 MINI HYD EXCAVATOR ME4
 304E2 Mini Hydraulic Excavator ME400001-UP (MACHINE) POWERED BY C2.4 Engine SEBP6898 304E2 ME4   (2015)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BOOM
397-6972 CYLINDER GP-BOOM
CYLINDER GP-BOOM
478-7045 CYLINDER GP-BOOM
CYLINDER GP-BOOM
478-7046 CYLINDER GP-BOOM
CYLINDER GP-BUCKET
397-6979 CYLINDER GP-BUCKET
CYLINDER GP-HYDRAULIC
268-8224 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
 

#SEBP68980310
 

478-7046: CYLINDER GP-BOOM

478-7046 CYLINDER GP-BOOM
S/N ME41255-UP
85-MM (3.4-IN) BORE X 582-MM (22.9-IN) STROKE
PART OF 397-7083 LINES AR-BOOM
AN ATTACHMENT
i06721586 SEBP6898
4787046 CYLINDER GP-BOOM Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 478-7047 [1] ROD AS  
2. 469-0678 [1] HEAD  
3. 482-8677 [1] CYLINDER AS  
4. 478-7050 [1] PISTON  
5. 469-0695 [1] NUT  
6. 482-8678 [1] KIT-SEAL  
    (INCLUDES PARTS MARKED J IN GRAPHIC)
7. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
8. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
9. 265-8717 [2] BUSHING  
10. 192-0638 [4] SEAL  
11. 360-3692 [2] PLUG  
12. 3J-1907 [2] SEAL-O-RING  
 

#SEBP68980311
 

397-6979: CYLINDER GP-BUCKET

397-6979 CYLINDER GP-BUCKET
75-MM (3-IN) BORE X 496.5-MM (19.6-IN) STROKE
PART OF 397-7073, 397-7074, 432-1504 LINKAGE AR-BUCKET
AN ATTACHMENT
i05841938 SEBP6898
3976979 CYLINDER GP-BUCKET Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 469-0705 [1] ROD AS  
2. 469-0706 [1] HEAD  
3. 469-0707 [1] CYLINDER AS  
4. 469-0708 [1] PISTON  
5. 469-0674 [1] NUT (1-1/4-12-THD)  
6. 469-0710 [1] TUBE AS  
7. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
8. 3B-8488 [1] FITTING-GREASE (1/8-27 PTF)  
9. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
10. 265-8716 [2] BUSHING  
11. 192-0638 [4] SEAL  
12. 360-3692 [2] PLUG  
13. 3J-1907 [2] SEAL-O-RING  
14. 6V-8212 M [1] BOLT (M10X1.5X16-MM)  
   
    AVAILABLE REPAIR KIT(S):
  469-0711 [1] KIT-SEAL  
    (INCLUDES PARTS MARKED J IN THE GRAPHIC)
  M   METRIC PART
 

#SEBP68980312
 

268-8224: CYLINDER GP-HYDRAULIC

268-8224 CYLINDER GP-HYDRAULIC
63.5-MM (2.5-IN) BORE X 431.8-MM (17-IN) STROKE
PART OF 452-2742 CYLINDER & LINES GP-THUMB
AN ATTACHMENT
i05883190 SEBP6898
2688224 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 5D-1986 [1] LOCKNUT (7/8-14-THD)  
3. 233-8447 [2] BUSHING  
4. 244-3712 [2] PLUG AS  
    (EACH INCLUDES)
  9S-4191 [1] PLUG (9/16-18-THD)  
  214-7568 [1] SEAL-O-RING  
5. 278-2246 [1] PISTON  
6. 278-2248 [1] BUSHING  
7. 278-2254 [1] ROD AS-PISTON  
8. 278-2256 [1] GLAND  
   
    AVAILABLE REPAIR KIT(S):
  278-2257 [1] KIT-PACKING (HYDRAULIC CYLINDER)  
 

#SEBP68980313
 

361-1125: CYLINDER GP-HYDRAULIC

361-1125 CYLINDER GP-HYDRAULIC
PART OF 361-1123 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i05844352 SEBP6898
3611125 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 361-1078 [1] KIT-SEAL  
    (INCLUDES O-RINGS & SEALS)
2. 361-1127 [1] ROD AS  
3. 361-1128 [1] SEAL  
4. 361-1129 [1] PISTON  
5. 361-1156 [1] PISTON  
6. 361-1132 Y [1] VALVE GP-CHECK (HYDRAULIC CONTROL LOCK)  
7. 3J-1907 [1] SEAL-O-RING  
8. 9S-8004 [1] PLUG (9/16-18-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68980314
 

485-5287: CYLINDER GP-HYDRAULIC

485-5287 CYLINDER GP-HYDRAULIC
PART OF 485-5243 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i07692861 SEBP6898
4855287 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [1] PLUG  
2. 361-1128 [1] SEAL  
3. 361-1156 [1] PISTON  
4. 479-0646 J [1] VALVE AS-COUNTERBALANCE  
5. 485-5282 [1] KIT-SEAL  
    (INCLUDES SEALS & O-RING SEALS)
6. 485-5285 [1] PISTON  
7. 485-5286 [1] ROD AS  
8. 216-8994 [1] SEAL-O-RING  
9. 6V-5192 M [1] BOLT-SOCKET HEAD (M8X1.25X30-MM)  
   
    AVAILABLE REPAIR KIT(S):
  499-9314 J KIT-SEAL (COUNTERBALANCE VALVE)  
    (INCLUDES O-RINGS & BACKUP RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP68980315
 

397-6984: CYLINDER GP-STICK

397-6984 CYLINDER GP-STICK
80-MM (3.2-IN) BORE X 597-MM (23.5-IN) STROKE
PART OF 397-7172 LINES AR-STICK, 397-7062 STICK AR
AN ATTACHMENT
i05867011 SEBP6898
3976984 CYLINDER GP-STICK Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 469-0699 [1] ROD AS  
2. 469-0700 [1] HEAD  
3. 469-0701 [1] CYLINDER AS  
4. 469-0702 [1] PISTON  
5. 2J-3950 [1] LOCKNUT (1-1/2-12-THD)  
6. 3J-1907 [2] SEAL-O-RING  
7. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
8. 265-8717 [2] BUSHING  
9. 192-0638 [4] SEAL  
10. 360-3692 [2] PLUG  
   
    AVAILABLE REPAIR KIT(S):
  469-0704 [1] KIT-SEAL  
    (INCLUDES PARTS MARKED J IN THE GRAPHIC)
 

#SEBP68980316
 

397-6975: CYLINDER GP-SWING BOOM

397-6975 CYLINDER GP-SWING BOOM
85-MM (3.4-IN) BORE X 483-MM (19.1-IN) STROKE
PART OF 397-7012 BOOM AR
ALSO AN ATTACHMENT
i05836265 SEBP6898
3976975 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 469-0727 [1] ROD AS  
2. 469-0725 [1] HEAD  
3. 469-0726 [1] CYLINDER AS  
4. 469-0694 [1] PISTON  
5. 469-0695 [1] NUT  
6. 7J-0204 [2] SEAL-O-RING  
7. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
8. 265-8717 [2] BUSHING  
9. 192-0638 [4] SEAL  
10. 360-3689 [2] PLUG-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  469-0729 [1] KIT-SEAL  
    (INCLUDES PARTS MARKED "J" IN THE GRAPHIC)
 

#SEBP68980317
 

379-4690: DRAIN GP-ECOLOGY

379-4690 DRAIN GP-ECOLOGY -ENGINE, HYDRAULIC TANK
PART OF 460-8399, 460-8401, 460-8403, 460-8406, 460-8408, 497-9156, 515-6921, 515-6922, 515-6923, 515-6924, 515-6925, 515-6926, 515-6927, 515-6929, 515-6931, 515-6933, 515-6934, 515-6935, 515-6936, 515-6937, 515-6938, 527-7217, 546-5476, 546-5477, 546-5478, 568-6326, 568-6328, 568-6333, 568-6334, 568-6335 DISTRIBUTION AR
CANNOT BE USED WITH @@@@@379-4689@@@@@
AN ATTACHMENT
i05849094 SEBP6898
  For full view, you need register

Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] DRAIN GP-ECOLOGY (HYDRAULIC OIL)  
  378-2141 Y [1] DRAIN GP-ENGINE OIL (ECOLOGY)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68980318
 

379-4710: DRAIN GP-ECOLOGY

379-4710 DRAIN GP-ECOLOGY -ECOLOGY, HYDRAULIC TANK
PART OF 379-4690 DRAIN GP-ECOLOGY
AN ATTACHMENT
i05848955 SEBP6898
3794710 DRAIN GP-ECOLOGY Parts scheme
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Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 165-2273 [1] VALVE AS-SHUTOFF (HYDRAULIC TANK)  
  3K-0360 [1] SEAL-O-RING  
  6V-7238 [1] VALVE-SHUTOFF (COOLANT DRAIN)  
 

#SEBP68980319
 

379-4689: DRAIN GP-OIL

379-4689 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
AN ATTACHMENT
i05848948 SEBP6898
  For full view, you need register

Parts for your 304E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] DRAIN GP-OIL  
  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}
Technical Information Bulletin
Hydraulic Cylinders May Leak on Certain 303.5E2, 304.5E2, and 304E2 Mini Hydraulic Excavators {5457}
Hydraulic Cylinders May Leak on Certain 303.5E2, 304.5E2, and 304E2 Mini Hydraulic Excavators {5457}
Boom, Stick, Bucket, and Blade Hydraulic Cylinders May Leak on Certain 303.5E2, 304E2, and 304.5E2 Mini Hydraulic Excavators {5113, 5456, 5457, 5458}
Boom, Stick, Bucket, and Blade Hydraulic Cylinders May Leak on Certain 303.5E2, 304E2, and 304.5E2 Mini Hydraulic Excavators {5113, 5456, 5457, 5458}
Specifications
Boom Lines
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Swing Boom Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Stick Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Blade Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Cylinder Guard
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Bucket Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Blade Cylinder - Angle
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Blade Hydraulic System
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Cylinders (Boom, Stick and Bucket)
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 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}
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, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Cylinder Speed - Check
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 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
Blade Cylinder - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Bucket Cylinder - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Stick Cylinder - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Boom Cylinder - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Swing Boom Cylinder - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Improved Seal Kits for Cylinders are Now Used on Certain 303.5E2, 304.5E2, and 304E2 Mini Hydraulic Excavators {5456}
Improved Seal Kits for Cylinders are Now Used on Certain 303.5E2, 304.5E2, and 304E2 Mini Hydraulic Excavators {5456}

Caterpillar Parts SIS Catalog 304E2 :

CYLINDER GP-BOOM
478-7045 CYLINDER GP-BOOM
CYLINDER GP-BOOM
397-6972 CYLINDER GP-BOOM
CYLINDER GP-BLADE
487-4410 CYLINDER GP-BLADE
CYLINDER GP-BLADE
397-6963 CYLINDER GP-BLADE
CYLINDER GP-BLADE
397-6961 CYLINDER GP-BLADE
CYLINDER & LINES GP-THUMB
452-2742 CYLINDER & LINES GP-THUMB
397-7121 CONTROL AR-PILOT HYDRAULIC
425-8087 CONTROL AR-COUPLER
CYLINDER GP-BUCKET
397-6979 CYLINDER GP-BUCKET
CYLINDER GP-HYDRAULIC
268-8224 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
485-5287 CYLINDER GP-HYDRAULIC
CYLINDER GP-STICK
397-6984 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
397-6975 CYLINDER GP-SWING BOOM
379-4690 DRAIN GP-ECOLOGY
DRAIN GP-ECOLOGY
379-4710 DRAIN GP-ECOLOGY
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