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397-6976 CYLINDER GP-SWING BOOM 90-MM (3.6-IN) BORE X 600.5-MM (23.7-IN) STROKE PART OF 397-7013 BOOM AR ALSO AN ATTACHMENT 305E2 CR


HYDRAULIC SYSTEM
CYLINDER GP
TANK GP
DRIVE GP
FILTER GP
TANK GP
HYDRAULIC GP

MINI HYD EXCAVATOR 305E2 CR MINI HYD EXCAVATOR DJX
 305E2 CR Mini Hydraulic Excavator DJX00001-UP (MACHINE) POWERED BY C2.4 Engine SEBP6879 305E2 CR DJX   (2014)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-HYDRAULIC
455-6016 CYLINDER GP-HYDRAULIC
CYLINDER GP-STICK
397-6985 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
397-6976 CYLINDER GP-SWING BOOM
CYLINDER GP-TILT
246-0192 CYLINDER GP-TILT
LINES GP-COUPLER
361-1091 LINES GP-COUPLER
LINES GP-COUPLER
423-1819 LINES GP-COUPLER
 

#SEBP68790210
 

397-6976: CYLINDER GP-SWING BOOM

397-6976 CYLINDER GP-SWING BOOM
90-MM (3.6-IN) BORE X 600.5-MM (23.7-IN) STROKE
PART OF 397-7013 BOOM AR
ALSO AN ATTACHMENT
i05764165 SEBP6879
3976976 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 461-0797 [1] ROD AS  
2. 461-0798 [1] HEAD AS  
3. 461-0799 [1] CYLINDER AS  
4. 461-0652 [1] PISTON  
5. 461-0800 [1] KIT-BUSHING  
    (INCLUDES BUSHINGS & WIPER SEALS)
6. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
    AVAILABLE REPAIR KIT(S):
  461-0668 [1] KIT-ROD  
    (INCLUDES PARTS MARKED J IN THE GRAPHICS)
  461-0669 [1] KIT-PISTON SEAL  
    (INCLUDES PARTS MARKED L IN THE GRAPHICS)
  461-0670 [1] KIT-PISTON  
    (INCLUDES RETAINING RINGS, BUFFER RING & PARTS MARKED N IN THE GRAPHICS)
 

#SEBP68790211
 

246-0192: CYLINDER GP-TILT

246-0192 CYLINDER GP-TILT
76.2-MM (3-IN) BORE X 120-MM (4.7-IN) STROKE
PART OF 250-4463 BUCKET AR-DITCH CLEANING, 274-9022 BUCKET AR-TILTABLE
AN ATTACHMENT
i02563035 SEBP6879
2460192 CYLINDER GP-TILT Parts scheme
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Parts for your 305E2 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 [1] SEAL AS  
4. 6J-5733 [1] RING-WEAR  
5. 9T-2212 [1] PISTON  
6. 167-2186 [1] SEAL AS-BUFFER  
7. 167-2294 [1] SEAL-U-CUP  
8. 226-8202 [1] SEAL-WIPER  
9. 249-4175 [1] ROD AS  
  9T-4007 [2] BEARING  
10. 4T-6780 [1] RING-WEAR  
11. 5P-8250 [1] WASHER (28X49X5-MM THK)  
12. 6F-7037 [1] BOLT (1-14X3.25-IN)  
13. 8J-2574 [1] RING-BACKUP  
 

#SEBP68790212
 

377-4519: DRAIN GP-OIL

377-4519 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 436-7941, 436-7942, 436-7943, 436-7946, 451-0845, 451-0855, 451-0865 DISTRIBUTION AR
CANNOT BE USED WITH @@@@@377-4520@@@@@
AN ATTACHMENT
i05761304 SEBP6879
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

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

#SEBP68790213
 

377-8878: DRAIN GP-OIL

377-8878 DRAIN GP-OIL -HYDRAULIC TANK
PART OF 377-4519 DRAIN GP-OIL
AN ATTACHMENT
i05761306 SEBP6879
3778878 DRAIN GP-OIL Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
2. 194-2903 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  8T-0119 [1] ELBOW  
 

#SEBP68790214
 

377-8879: DRAIN GP-OIL

377-8879 DRAIN GP-OIL -ECOLOGY, HYDRAULIC TANK
PART OF 377-4520 DRAIN GP-ECOLOGY
AN ATTACHMENT
i05761322 SEBP6879
3778879 DRAIN GP-OIL Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

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

#SEBP68790215
 

456-7221: DRIVE GP-SWING

456-7221 DRIVE GP-SWING
PART OF 397-6942 MOTOR & MTG GP-SWING
ALSO AN ATTACHMENT
i06153188 SEBP6879
4567221 DRIVE GP-SWING Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 452-3614 Y [1] MOTOR GP-PISTON  
2. 456-7223 Y [1] DRIVE GP-SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68790216
 

456-7223: DRIVE GP-SWING

456-7223 DRIVE GP-SWING
PART OF 456-7221 DRIVE GP-SWING
ALSO AN ATTACHMENT
i06153153 SEBP6879
4567223 DRIVE GP-SWING Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-8278 [1] SEAL-O-RING  
2. 5A-3604 M [6] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
3. 452-3620 [1] KIT-CARRIER  
4. 452-3621 [1] KIT-CARRIER  
5. 460-0274 [1] KIT-SWING MOTOR PINION & HSG  
  M   METRIC PART
 

#SEBP68790217
 

421-5424: FILTER GP-OIL

421-5424 FILTER GP-OIL -HYDRAULIC
PART OF 390-8874, 399-6791 LINES GP-RETURN
AN ATTACHMENT
i05767753 SEBP6879
4215424 FILTER GP-OIL Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8716 [3] CONNECTOR (STRAIGHT)  
2. 7M-8485 [3] SEAL-O-RING  
3. 6V-9746 [3] SEAL-O-RING  
4. 421-5482 [1] HOUSING AS  
4A. 421-5481 [1] FILTER ELEMENT AS-OIL  
  4F-4097 [2] SEAL-O-RING  
  9T-6322 [1] PLUG AS  
  8C-3082 [2] SEAL-O-RING  
  8C-3082 [1] SEAL-O-RING  
 

#SEBP68790218
 

347-6081: GAUGE GP-SIGHT

347-6081 GAUGE GP-SIGHT -HYDRAULIC OIL LEVEL
PART OF 425-5614 TANK & FILTER GP-HYDRAULIC
ALSO AN ATTACHMENT
i04063935 SEBP6879
3476081 GAUGE GP-SIGHT Parts scheme
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

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

#SEBP68790219
 

397-7018: HYDRAULIC AR

397-7018 HYDRAULIC AR
PART OF 397-7003 COMMON AR
ALSO AN ATTACHMENT
i05764199 SEBP6879
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Parts for your 305E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  430-3215 Y [1] ACCUMULATOR & MTG GP-HYDRAULIC (UNCHARGED)  
  390-8876 Y [1] LINES GP-FRONT (BUCKET, STICK CYLINDER)  
  390-8867 Y [1] LINES GP-HYDRAULIC PUMP (MAIN)  
  399-6784 Y [1] LINES GP-PILOT  
  436-7873 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  425-5613 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}
Procedure to Retrofit the 5 Ton Dual Lock Pin Grabber Quick Coupler with a New Cylinder and Wedge {5133, 6129}
Procedure to Retrofit the 5 Ton Dual Lock Pin Grabber Quick Coupler with a New Cylinder and Wedge {5133, 6129}
Specifications
Swing Boom 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
Boom Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Boom Lines
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Blade Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Hydraulic Cylinder - Thumb
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Hydraulic Cylinder - Quick Coupler
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Tilt Cylinder
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Bucket 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
Tool Operating Manual
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}
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 Speed - Check
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Cylinder Drift - 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}

Caterpillar Parts SIS Catalog 305E2 CR :

CYLINDER GP-STICK
397-6985 CYLINDER GP-STICK
CYLINDER GP-HYDRAULIC
455-6016 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
361-1077 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
268-8225 CYLINDER GP-HYDRAULIC
CYLINDER GP-BUCKET
397-6980 CYLINDER GP-BUCKET
CYLINDER GP-BOOM
397-6974 CYLINDER GP-BOOM
CYLINDER GP-BOOM
397-6973 CYLINDER GP-BOOM
CYLINDER GP-BOOM
397-6970 CYLINDER GP-BOOM
CYLINDER GP-TILT
246-0192 CYLINDER GP-TILT
377-4519 DRAIN GP-OIL
DRAIN GP-OIL
377-8878 DRAIN GP-OIL
DRAIN GP-OIL
377-8879 DRAIN GP-OIL
DRIVE GP-SWING
456-7221 DRIVE GP-SWING
DRIVE GP-SWING
456-7223 DRIVE GP-SWING
FILTER GP-OIL
421-5424 FILTER GP-OIL
GAUGE GP-SIGHT
347-6081 GAUGE GP-SIGHT
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