377-6608 GUARD AS-BLADE CYLINDER -BLADE PART OF 399-8369 UNDERCARRIAGE AR 308E2 CR MINI HYD EXCAVATOR





HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP68750210
 

377-6608: GUARD AS-BLADE CYLINDER

377-6608 GUARD AS-BLADE CYLINDER -BLADE
PART OF 399-8369 UNDERCARRIAGE AR
i04695559 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 379-0644 [1] GUARD AS  
2. 8T-4192 M [3] BOLT (M12X1.75X25-MM)  
3. 8T-4223 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
  M   METRIC PART
 

#SEBP68750211
 

399-8371: HYDRAULIC AR

399-8371 HYDRAULIC AR
PART OF 399-8365 COMMON AR
i05267884 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
  399-8376 Y [1] LINES GP-CONTROL (FRONT)  
  415-4364 Y [1] LINES GP-FRONT  
  393-8231 Y [1] LINES GP-PILOT  
  399-8373 Y [1] LINES GP-PUMP  
  399-8377 Y [1] LINES GP-RETURN & FILTER  
  393-8232 Y [1] LINES GP-SWING MOTOR  
  399-8374 Y [1] LINES GP-TRAVEL MOTOR  
  399-8372 Y [1] MOUNTING GP-MAIN CONTROL VALVE  
  399-8379 Y [1] PUMP & MTG GP-HYDRAULIC  
  396-1840 Y [1] TANK & MTG GP-HYDRAULIC  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68750212
 

377-6549: LINES AR-BOOM

377-6549 LINES AR-BOOM
AN ATTACHMENT
i04695650 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
  376-0172 Y [1] CYLINDER & LINES GP-BOOM  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68750213
 

415-4434: LINES AR-BOOM

415-4434 LINES AR-BOOM
AN ATTACHMENT
i05278756 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
  435-0781 Y [1] CYLINDER & LINES GP-BOOM  
  382-0560 Y [1] FILM GP (OVERLOAD WARNING)  
  393-8236 Y [1] GUARD GP-CYLINDER (BOOM LOWERING)(BOOM LOWERING)  
  393-8234 Y [1] LINES GP-FRONT (BOOM LOWERING)(BOOM LOWERING)  
  381-9216 Y [1] WIRING GP-OVERLOAD WARNING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68750214
 

377-6551: LINES AR-STICK

377-6551 LINES AR-STICK
AN ATTACHMENT
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
  376-0173 Y [1] CYLINDER & LINES GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68750215
 

415-4373: LINES AR-STICK

415-4373 LINES AR-STICK -STICK LOWERING
CANNOT BE USED WITH @@@@@377-6551@@@@@
AN ATTACHMENT
i05256327 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
  421-5337 Y [1] CYLINDER & LINES GP-STICK  
  393-8237 Y [1] LINES GP-BOOM  
  393-8233 Y [1] LINES GP-FRONT  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68750216
 

377-6582: LINES GP-AUXILIARY HYDRAULIC

377-6582 LINES GP-AUXILIARY HYDRAULIC -LONG BOOM
PART OF 417-0383 BOOM AR
i04647294 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 093-1299 [2] CLAMP  
3. 266-7379 [1] STRAP-CABLE  
4. 379-0620 [1] TUBE AS  
5. 379-0621 [1] TUBE AS  
6. 379-0622 [1] TUBE AS  
7. 379-0623 [1] TUBE AS  
8. 6V-8398 [1] SEAL-O-RING  
9. 7J-9108 [5] SEAL-O-RING  
10. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
  M   METRIC PART
 

#SEBP68750217
 

377-6600: LINES GP-AUXILIARY HYDRAULIC

377-6600 LINES GP-AUXILIARY HYDRAULIC -MEDIUM STICK
PART OF 426-0172, 426-0174, 426-0176, 426-0178, 426-0180, 426-0182 STICK AR
CANNOT BE USED WITH @@@@@377-6601@@@@@
AN ATTACHMENT
i04689911 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 152-5717 [1] CAP-DUST  
2. 152-5718 [1] CAP-DUST  
3. 153-2994 [1] COUPLING (FEMALE)  
4. 153-2995 [1] COUPLING (MALE)  
5. 190-5235 [2] UNION AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  163-9964 [1] UNION  
6. 327-9620 I [2] HOSE AS  
7. 379-0709 [1] PLATE  
8. 379-0710 [1] PLATE  
9. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
10. 8T-4192 M [4] BOLT (M12X1.75X25-MM)  
11. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP68750218
 

377-6601: LINES GP-AUXILIARY HYDRAULIC

377-6601 LINES GP-AUXILIARY HYDRAULIC -LONG STICK
PART OF 426-0173, 426-0175, 426-0177, 426-0179, 426-0181, 426-0183 STICK AR
CANNOT BE USED WITH @@@@@377-6600@@@@@
AN ATTACHMENT
i04692569 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 152-5717 [1] CAP-DUST  
2. 152-5718 [1] CAP-DUST  
3. 153-2994 [1] COUPLING (FEMALE)  
4. 153-2995 [1] COUPLING (MALE)  
5. 190-5235 [2] UNION AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  163-9964 [1] UNION  
6. 322-5314 I [2] HOSE AS  
7. 379-0709 [1] PLATE  
8. 379-0710 [1] PLATE  
9. 6V-9170 [2] NUT-BULKHEAD (1-14-THD)  
10. 8T-4192 M [4] BOLT (M12X1.75X25-MM)  
11. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP68750219
 

377-6617: LINES GP-AUXILIARY HYDRAULIC

377-6617 LINES GP-AUXILIARY HYDRAULIC -MEDIUM STICK
PART OF 426-0174, 426-0178, 426-0182 STICK AR
AN ATTACHMENT
i04647297 SEBP6875
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Parts for your 308E2 CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 153-2996 [1] FITTING AS (QUICK DISCONNECT, MALE)  
2. 153-2997 [1] FITTING AS (QUICK DISCONNECT, FEMALE)  
3. 161-2560 [1] CAP-DUST  
4. 161-2561 [1] CAP-DUST  
5. 169-5701 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  152-6942 [1] CONNECTOR  
6. 322-5306 I [2] HOSE AS  
7. 6V-9169 [2] NUT (13/16-16-THD)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

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 Replace the Boom Lowering Control Valve on Certain 308E2 CR Excavators{5051, 5057, 5456, 7562}
Procedure to Replace the Boom Lowering Control Valve on Certain 308E2 CR Excavators{5051, 5057, 5456, 7562}
Procedure to Install 305-6742, 305-6743 Thumb Arrangement {5102, 6068, 6547, 7562}
Procedure to Install 305-6742, 305-6743 Thumb Arrangement {5102, 6068, 6547, 7562}
Procedure to Retrofit a Dual Lock Pin Grabber Quick Coupler with a New Cylinder and Wedge {5133, 6129}
Procedure to Retrofit a Dual Lock Pin Grabber Quick Coupler with a New Cylinder and Wedge {5133, 6129}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM TO REPLACE THE 417-1061 BOOM LOWERING CONTROL VALVE ON CERTAIN 308E2 EXCAVATORS
PRODUCT SUPPORT PROGRAM TO REPLACE THE 417-1061 BOOM LOWERING CONTROL VALVE ON CERTAIN 308E2 EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM TO REPLACE THE 417-1061 BOOM LOWERING CONTROL VALVE ON CERTAIN 308E2 EXCAVATORS
PRODUCT SUPPORT PROGRAM TO REPLACE THE 417-1061 BOOM LOWERING CONTROL VALVE ON CERTAIN 308E2 EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
Service Letter-Americas
Specifications
Swing Boom Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Stick Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Bucket Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Blade Lift Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Boom Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Stick Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Boom Lines
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Boom Cylinder
308E2 CR Mini Hydraulic Excavator Machine System Specifications
Boom Cylinder
308E2 CR Mini Hydraulic Excavator 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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
Service Letter-Asia
Systems Operation
Blade Hydraulic System
308E2 CR Mini Hydraulic Excavator Hydraulic System
Cylinders (Boom, Stick and Bucket)
308E2 CR Mini Hydraulic Excavator 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}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER AND WEDGE ON CERTAIN 307E2 AND 308E2 MINI HYDRAULIC EXCAVATORS FACTORY EQUIPPED WITH A HYDRAULIC COUPLER
Testing and Adjusting
Cylinder Drift - Check
308E2 CR Mini Hydraulic Excavator Hydraulic System
Cylinder Speed - Check
308E2 CR Mini Hydraulic Excavator 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
Bucket Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Blade Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Bucket Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Boom Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator Machine Systems
Swing Boom Cylinder - Remove and Install
308E2 CR Mini Hydraulic Excavator 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 Boom Cylinder Now Used on 308E2 CR Hydraulic Excavators {5057, 5458}
Improved Boom Cylinder Now Used on 308E2 CR Hydraulic Excavators {5057, 5458}

Caterpillar Parts SIS Catalog 308E2 CR :